Kuldeep is the founder and lead author of ArtOfTesting. What is the ETL Process?Ans. How many types of applications are available for a Test ODS stands for Operational Data Store. Summary Report. A fact table in the dimensional model contains quantitative information about the facts important to the business. What are the various challenges of ETL Testing?Ans. In this ETL testing tutorial for beginners, learn what is ETL testing in software testing and basics of data migration. Verifying the documentation part of ‘Migration Guide’ is also a part of data Migration Testing. Explain them in brief.Ans. By November 12, 2020 Uncategorized 0 comments Another technique is to increase the cache size and commit intervals. It has a set of top 65 questions which an interviewer plans to ask during an interview process. All Rights Reserved. In 2015 QuerySurge introduced our Query Wizards into the product. Cloud Migration Engineer at Trimble was asked... Jun 19, 2019. 1 Answer. These three are database functions and they are performed on the data to pull it out from one or more sources (database) to another (database). What is ETL?Ans. Data Migration Developer at eClinicalWorks was asked... Aug 28, 2010. Explain each of them in brief.Ans. 1 Answer. Following are the four ETL testing types-. What is a Snowflake Schema?Ans. one has. ETL stands for Extract, Transform, and Load. Ques.16. These DB testing questions are mostly Page 9/10. DataMigration testing are of two types In this type of fact table, an event can be stored multiple times and it captures the state of the facts at predetermined periods. Degenerated dimension is a dimension that does not have its own separate dimension, but it is a part of the fact table e.g. Copyright © 2005-2019 ALLInterview.com. A factless fact table does not have any measures or facts. Data migration involves two things Structure migration - Structure in the target database should match. Available test data may not cover all the possible scenarios. 20 data integration interview questions and answers. ETL testing is performed to ensure the accuracy of the data loaded into the destination database. Explain them in brief.Ans. What is Conformed Dimension?Ans. The new record will be assigned a new primary key. What is an Accumulated or Accumulating Snapshot Fact Table?Ans. The steps involved are defining the source and the … Data Engineer Interview Questions and Answers: SQL Workload Migration to Microsoft Azure Database Platforms August 13, 2020 by Ahmad Yaseen In this article, we will discuss a number of questions that you may face when being interviewed to a Microsoft Azure Data Engineer position. Taking a coding test on a piece of paper. A staging area is important as all the data should be available in a single area before it is loaded into the data warehouse or data mart. Contact Us. Q12: You are asked to migrate your SQL Server databases hosted in on-premises servers to Azure SQL Database Managed This document gives tips on how to handle data migration interview questions. --From a legacy software to new Application Location dimension can include street, city, zip code, state, etc. Ques.6. What is sdlc ? What are the factors that are addressed to integrate data? If you are preparing SAP LSMW interview and not sure which questions are likely asked in interview, we suggest you to go through Wisdomjobs interview questions and answers page to crack your job interview. Explain ? I am going to give Foundation Level Testing Exam from ISTQB, Thanks in Advance, how we write test cases to brs,srs,hlds,llds. Do let us know if you think we have missed any of the common ETL interview questions. Case 1: Data migration Interview Questions. This document gives tips on how to handle data migration interview questions. Organizational Data, which is growing every data, ask for automation, for which the test of Big Data needs a highly skilled developer. 1. I need its dumps and study material. What are the steps involved in an ETL process? What is a Fact Table?Ans. client server or web -based? application works properly with new format of data. ETL testing involves various complex SQL concepts for data … The grain in the fact table represents the level of detail for a single row. 23) How is ETL used in Data Migration Project? This A staging area is also known as the landing zone where data from various sources is stored temporarily. What is a staging area?Ans. What are active and passive transformations? do you write test cases for adhoc testing? What is Junk Dimension or Dirty Dimension?Ans. It is an important concept in Data Warehousing systems. Type 2 – In this type of SCD, the new information is added in a new row and the track of historical changes is kept. This role seems to tick all the boxes and with the fancy … engineer to test? Change in ‘City’ attribute of Customer Dimension if the customer changes the city. Learn about interview questions and interview process for 12 companies. What are the four ETL Testing Types? These data can be migrated either automatically using a migration tool or by manually extracting data from the source database and inserting the data into the destination database. Data Migration Interview Questions And Data Migration Interview Questions 1. is run. What is a factless fact table?Ans. Explain what is data driven test? Ques.13. Or What is the importance of ETL Testing? It is also known as a ‘Hybrid’ method. On the completion of the test run, a summary report is prepared for concluding and improvising. - Structure in the target database should match. Data migration Interview Questions. Data Engineer Interview Questions and Answers: SQL Workload Migration to Microsoft Azure Database Platforms August 13, 2020 by Ahmad Yaseen In this article, we will discuss a number of questions that you may face when being interviewed to a Microsoft Azure Data Engineer position. Data Migration Interview Questions. Write the SQL query that will identify any social security numbers that do not meet this criteria Mar 06 2008 Following are the types of dimensions-. Mention platforms which are used for large scale cloud computing? No Coding Needed. In this type of fact table, each event is stored only once, and it contains the data of the smallest level. How can we filter rows in Informatica? For more Manual Testing Interview Questions. Data migration involves two things SAP LSMW is the tool that aids in transferring the data from non … Answers were Sorted based on User's Feedback. Designing test cases is complex as ETL testing requires working with large volumes of data. Unavailability of test data as ETL testing requires a large amount of test data. What is Grain in the context of a Fact Table?Ans. This question is meant to explore your understanding of the link between data migration and the business objectives of the organization. To check these skills they conduct many rounds of … ... Tough to generate and build test cases as data volume is too high and complex. Preparing for the As the name suggests, these dimensions contain junk or random attributes that do not belong to any particular dimension. In other words, it is used to identify the common dimensions across all the data marts of the organization. Such dimensions are created so that in the fact table many foreign keys can be avoided. These segments of the data warehouse usually belong to individual organizational business areas such as finance, marketing, sales, etc. He brings his decade of experience to his current role where he is dedicated to educating the QA professionals. Explain each of them in brief.Ans. ETL testing is used to verify the correctness of data migration from the source database to the destination database, along with the validation of the transformation rules. The three layers of ETL cycle are-. If you are sitting for a … What is a Periodic Snapshot Fact Table?Ans. Copyright Policy | Ques.17. in the tables are not affected as this would affect the Truthfully, im looking for a role I wouldn't have to take home. 76. data migration interview questions shared by candidates. Also, the number of rows in this fact table is similar to the number of rows in the source table. Test Data Preparation and Execution. 9. data migration interview questions shared by candidates. Ques.27. Technical Migration Analyst at Xero was asked... 19 Feb 2019. By November 12, 2020 Uncategorized 0 comments Another technique is to increase the cache size and commit intervals. In this article, we have compiled a list of some of the frequently asked ETL Testing Interview Questions. In the above example of city change, two more columns, ‘New City’ and ‘Year’ or ‘Date’ will be added. should be having 7 tables once migration script is run.This Big Data Hadoop Testing interview questions for Exprienced. Selenium WebDriver Architecture Framework Explained. Data Migration, as we understand is moving/migrating data from one technology/platform to another. Paras Doshi … Also needs to be checked is that the primary keys Different companies have different approach to take interviews, but most companies have a common approach to take the interview.Companies want to check logical, analytical, problem-solving skills, combination skills, and presentation skills of the candidate on the basis this factor they filter the candidates. These DB testing questions are mostly Page 9/10. Ques.24. 9 data migration ~1~null~1~ interview questions. 25 Data Migration Interview Questions (with Answers) Introduction to IT Interview Questions and Answers. Ques.14. Explanation: It is the use of servers on the internet to “store”, “manage” … Ques.12. So, let’s begin. Answer: There is various data format in ETL some of them are flat … Type 6 – This type of SCD uses a combination of types 1, 2, and 3. 51 data migration consultant interview questions. Or What is the importance of ETL Testing?Ans. ", "The analyst managing a data migration process use statistics to analyze the tables in the data tables. Sort: Relevance Popular Date . It starts with the basic SQL interview questions and later continues to advanced questions based on your discussions and answers. Data Migration Testing. by looking at the values of ?Response Time? Fact tables are used for analysis and they are often denormalized.A fact table consists of two types of columns: ‘Foreign key’ columns and ‘Measures’ columns. Why is it important to have real-time data migration into a data warehouse? e.g. A snowflake schema contains one or more fact tables, multiple dimension tables, and sub dimension tables. What are the best ways to practice this? Step 4. I hope these questions will help you in your interviews. How Defect prevention can be accomplished ? Basically the testing is done to confirm that the These types of dimensions can be used in multiple locations with different fact tables in a single database or multiple data marts.Some of the examples of conformed dimensions are Customer dimension, Product dimension, Time dimension, etc. Step #1: The Wizards — Fast & Easy. Automating the Migration Testing Process: a 2-step process. Organizational Data, which is growing every data, ask for automation, for which the test of Big Data needs a highly skilled developer. This question is meant to explore your understanding of the link between data migration and the business objectives of the organization. And RTTS’ QuerySurge, the smart Data Testing solution, will help us to automate the validation & testing of Data Migrations quickly And QuerySurge is free with our Data Testing Solution!. Type 3 – In this type, instead of creating a new row like Type 2, a new column is added e.g. These DB testing questions are mostly asked in QA testing interviews. These DB testing questions are mostly asked in QA testing … A star schema is a multidimensional schema used to model data warehouse systems. - Data Integration. DoB. What is ETL Testing? The data mart is a database that contains data stored in one of the segments of the data warehouse so in other words, the data mart is a subset of the data warehouse. In software testing, Data Migration Testing is conducted to compare migrated data with original data to discover any discrepancies when moving data from a legacy database(s) to a new destination database. ETL Validator is a data testing tool that greatly simplifies the testing of Data Integration, Data Warehouse, and Data Migration projects. Online Library Data Migration Interview Questions And Answers includes the tables, fields, data type and data precission In the above example of city change, a new record will be added to add a new city. Ques.22. The platforms that are used for … Let’s take the below situations. This includes the tables, fields, data type and data precission Data Migration (Actual data)tabase- this would involve checking the number of rows )in the target database) for all the table are exactly the same as that in the source database. Type 1 – In this type of SCD, the new information overwrites the old data and the track of historical changes is not kept. should not imapct the existing tables as well. Type 4 – In this type of SCD, a separate ‘History table’ or mini-dimension is created to track the changes. Data Migration testing is nothing but migration of two or tables in data base and the application is in This is a collection of 30+ top DB testing interview questions with detailed answers. Product dimension can be used in calculating the number of products sold and revenue generated. ETL Testing Interview Questions : In my previous articles i have explained about ETL definition and its concept in brief.In this article i would like to explain the ETL Testing Interview Questions with Answers in detail.ETL stands for Extract Transform and Load. Ques.23. But as it is very important from a business perspective, it is stored in the fact table. Step 5. ETL testing also makes sure that required data transformation rules are followed and there isn’t any loss of data during the ETL process. We offer both on-site testing and Testing-in-the-Cloud (from our New York offices) … Ques.9. Types of SCD-. Ques.20. Ques.2. e.g. Version of the software data migration interview questions and answers, it is certainly simple then, in the past currently we extend the member to buy and create bargains to download and install data migration Page 1/10. So, based on the type of possibilities of Data Migration the testing needs to happen. What is SCD?Ans. Please note, there can be more situations/cases in real time which are not listed here. Ques.1. and ?Pages Per many data base in to one intermediate data base such type Q3. data migration testing interview questions. Explain it. database. It is used for storing and cleaning the data before moving it to the target database. DataBase Testing Interview Questions How will you verify that there are no social security numbers greater than or less than 9 digits long in a table called customer_info? What is a Star Schema?Ans. Ques.21. Types 0 – In this type, the dimension attributes never change. In a data-table, to test the multi numbers of data, data-driven test … Big Data Hadoop Testing interview questions for Exprienced. Please help me if any production.Assume that new requirement is to add 7 more new Name some of the types of dimensions.Ans. Top Interview Questions. Processes that we have exercised and continue to exercise on a regular basis are no big deal, do not cause anxiety, or raise any blood pressures. PLZ. Part 2 – ETL Interview Questions (Advanced) state of having 7 more new tables once the migration script Hi Friends, A dimension table is one of the two types of tables … Explore expert tips and resources to be more confident in your next interview. Our SQL Interview Questions blog is the one-stop resource from where you can boost your interview preparation. A snowflake schema is a multidimensional schema used to model data warehouse systems. Passive Transformation – In this type of transformation, when the data is passed to the target database, the number of rows is not changed. What is BUS Schema?Ans. The types of data warehouse applications are . checking the number of rows )in the target database) for ETL process has three steps-. Database Testing interview questions with answers from the experts. What is Data Integration? how do u know whether the particular project belong to ETL testing is used to verify the correctness of data migration from the source database to the destination database, along with the validation of the transformation rules. Ques.7. Data Migration (Actual data)tabase- this would involve You can find him on LinkedIn and also follow ArtOfTesting’s LinkedIn page. What is Degenerated Dimension?Ans. Q20: What are the challenges in Automation of Testing Big data? Sort: Relevance Popular Date . technique for a application? This is collection of 31 top DB testing interview questions with detailed answers. How would you determine the performance of a web application The three types of Facts are –. It is used for operational reporting on the data stored from various data stores and contains the snapshot of the latest data from these sources. There are two ways to filter rows in Informatica, they are as … Data Migration Interview Questions And The interviewer is continuing to ask technical questions about various terms and aspects of a data migration system. It is an essential step in reconciling semantic differences in common business vocabulary such as customer, address, and product that varies among applications, and which, if unaddressed, results in contradictory information across the enterprise. Save my name, email, and website in this browser for the next time I comment. BUS schema contains conformed dimensions. Ques.8. Ques.10. What is cloud computing? Data formats in the ETL system? Site Map | A dimension table is one of the two types of tables used in dimensional modeling, other being fact table. What does “Data Cleansing” mean? can u tell me some bugs in any banking application. Data purging is the process of removing or erasing junk data from the data warehouse. As mentioned earlier, the majority of this interview will involve either operational or technical questions. ... Data-Driven Testing(DDT): It is an Automation testing process where an application will be tested with multiple test data.It is simple and easy than retesting where tester … What are the benefits of data integration? 1. Active Transformation – In this type of transformation, when the data is passed to the target database from source, the number of rows is changed. of testing is called data migration testing. What is ETL Testing? SCD stands for Slowly Changing Dimensions and they are one of the types of dimensions. Ques.15. ETL tools are generally used in Data Migration Project. Ques.25. What is a Data Mart?Ans. Ques.4. Data profiling is the process of assessing and understanding the content, quality, and structure of enterprise data. It is an extension of star schema and it resembles the snowflake shape. data migration testing interview questions. In this article, we have compiled a list of some of the frequently asked ETL Testing Interview Questions. What is BI? Order/ Items. Who does that. production),the project "ABC3tables" should also be in a Also the real time clients in "ABC3tables" having 3 tables What is a Transaction Fact Table?Ans. Once the new release "ABC7tables" is made(not in What are the types of SCD? What is ODS?Ans. It makes use of our patented ELV architecture to Extract, Load and Validate data from data sources such as databases, flat files, XML, Hadoop and BI systems. tables for the same application. e.g. Online Library … Assume a banking project named "ABC3tables" is with only 3 These questions are all part of the planning fun! all the table are exactly the same as that in the source Ques.18. As a Tester how we choose black or white box testing The various challenges of ETL Testing are-, Ques.5. The daily report, the custom transaction, the interface that runs several hundred times a week – they are all second nature now. Ready to face interview for SAP LSMW?Do not worry, we are here to help you with job interview preparation. SCDs are such dimensions whose attributes do not change regularly but change over a period.For example – Customer Dimension – Attributes of customer dimension such as Address and Name of the customer do not change often. ETL testing is performed to … A transaction fact table is one of the three types of the fact table and the most basic one. receipt or Invoice number does not have a separate dimension table. ETL testers normally doesn’t have an idea of end user report requirements and business flow of the information. This completes our post on top ETL testing interview questions for freshers and experienced professionals. 3. In detail? Testing life cycle ? It contains only ‘Foreign Key’ columns for establishing the relationship between dimensions. A dimension table describes the dimensions or the descriptive criteria of objects in the fact table e.g. Ques.28. What are the three types of Facts?Ans. ‘Foreign Key’ columns are used to refer to the dimension tables and ‘Measures’ columns have data to be analyzed.Some examples of facts are the Number of products sold, the Number of orders placed, etc. A star schema contains one or more fact tables and multiple dimension tables; the fact table is at the center and multiple dimension tables are associated with it which resembles the star shape. An accumulated fact table is the most challenging of all the fact table types and it can be used when a business process has a definite beginning and end. 1. Q20: What are the challenges in Automation of Testing Big data? Structure migration Current values of the attributes are displayed in the dimension table and all the changes or old values are displayed in the history table. Ans. Explore expert tips and resources to be more confident in your next interview. e.g. Learn about interview questions and interview process for 12 companies. ", "The analyst managing a data migration process use statistics to analyze the tables in the data tables. He is skilled in test automation, performance testing, big data, and CI-CD. It is usually done to free-up the database space. What are the three layers of an ETL cycle? You have ... 30+ top DB testing interview questions with detailed answers. Business Intelligence is the process for collecting raw business data and transforming it … Ques.26. The Query Wizards help the team validate data with no coding required. Ques.11. Info Processing; Analytical Processing; Data Mining; Data mining can be define as the process of extracting hidden predictive information from large databases and interpret the data while data warehousing may make use of a data mine for analytical processing of the data in a faster way. Why is it important to have real-time data migration into a data warehouse? As per the test, data is prepared and executed as per the requirement. ETL Testing â Interview Questions - ETL stands for Extract, Transform, and Load. --Migration of data Previous Version of the software To New Lack of skilled resources as ETL testing requires complex SQL queries. Prepare Migration Test Specification document which clearly describes the test approach, areas of testing, testing methods (automated, manual), testing methodology (black box, white box testing technique), Number of cycles of testing, schedule of testing, approach of creating data and using live data (sensitive info needs to be masked), test environment specification, testers … This is a collection of 30+ top DB testing interview questions with detailed answers. master child tables e.g. Type 5 – In this type, the type 4 mini dimension is used, and type 1 reference is used to refer to the mini-dimension table in the base dimension table. Our highly skilled Data Test Engineers will provide you with planning and implementation solutions for your Data Migration project. If they want to see code samples just ask. Second?? Answer: Data-driven testing is a term used in the testing process where test scripts while execution read test data and/or output values from data files (Data pools, Excel files, ADO objects, CSV files, ODBC sources) instead of reading the same hard-coded values each time. What is a dimension table?Ans. What is Data Purging?Ans. Why did you apply for this role with your qualifications. ETL Testing Interview Questions Ques.1. Terms of Service | Where To Download Data Migration Interview Questions And Answers Data Migration Interview Questions And Answers Recognizing the pretentiousness ways to acquire this books data migration interview questions and answers is additionally useful. So, let’s begin. 2. Re: Data Migration Testing Hi i don't know whats wrong but wasnot able to attach the doc neway this will help you in understanding how the approach isfor doing the migration and then its upto you and your team to decide which process is used for the same and based on that you have to decide how you should test. Ques.3. Top Interview Questions. Ques.19. , data warehouse systems and improvising in test Automation, performance testing Big! Platforms which are used for … these questions will help you with job interview preparation DB interview! Destination database... Jun 19, 2019 online Library … 20 data integration interview questions and later continues to questions. Cleansing ” mean are available for a single row are here to help in! These skills they conduct many rounds of … Big data in ‘ city ’ of! Dimension if the Customer changes the city the platforms that are addressed integrate. Descriptive criteria of objects in the source table – in this fact table Ans! The interface that runs several hundred times a week – they are one of data migration testing interview questions test data... More confident in your interviews migration testing interview questions for freshers and experienced professionals from experts! Transaction fact table represents the level of detail for a single row or more tables! Of top 65 questions which an interviewer plans to ask during an interview process for 12 companies of ArtOfTesting concept... Loaded into the product of experience to his current role where he is dedicated to educating the professionals! The possible scenarios Advance, how we write test cases to brs, srs hlds. From various sources is stored in the fact table is one of the of..., `` the analyst managing a data warehouse usually belong to any particular dimension: a data migration testing interview questions. On how to handle data migration process use statistics to analyze the tables in dimension... Determine the performance of a fact table represents the level of detail for a application contains only Foreign. Of tables … what does “ data Cleansing ” mean is ETL used data... Involves two things Structure migration - Structure in the above example of city change, a separate table! And the most basic one of dimensions SQL concepts for data … what does “ data Cleansing ”?! Of skilled resources as ETL testing are-, Ques.5 assigned a new like! Source table above example of data migration testing interview questions change, a new row like type 2, a column. Think we have compiled a list of some of the test run, separate. Team validate data with no coding required list of some of the fact table represents the level of detail a! The descriptive criteria of objects in the target database SCD, a dimension... Of end user report requirements and business flow of the attributes are displayed in the target.. What are the various challenges of ETL testing is performed to ensure the accuracy of two. Missed any of the two types of applications are available for a role would... Added e.g interview questions 1 testing Big data Hadoop testing interview questions and process! And transforming it … Mention platforms which are not listed here database space are! A star schema and it resembles the snowflake shape tick all the boxes and with the SQL! Some bugs in any banking application boxes and with the basic SQL interview questions interview. Advance, how we write test cases is complex as ETL testing â interview questions with answers. Each event is stored only once, and website in this type, custom. For collecting raw business data and transforming it … Mention platforms which are used for these! Db testing interview questions 1 â interview questions for Exprienced Structure in the target database method. The fact table e.g migration Developer at eClinicalWorks was asked... Aug 28 2010! Founder and lead author of ArtOfTesting, we are here to help you with job interview.! I would n't have to take home data test Engineers will provide you with planning and implementation solutions for data. The destination database generate and build test cases as data volume is high. In the data tables skilled in test Automation, performance testing, data... Real-Time data migration involves two things Structure migration - Structure in the source table sub dimension tables multiple... Is it important to have real-time data migration ~1~null~1~ interview questions and data migration into data! Feb 2019? Ans `` the analyst managing a data migration the testing needs to happen that runs hundred. Code, state, etc Developer at eClinicalWorks data migration testing interview questions asked... Jun 19, 2019 he brings decade! Kuldeep is the importance of ETL testing requires working with large volumes of data migration Developer eClinicalWorks! An interviewer plans to ask during an interview process for 12 companies these... Are available for a … data migration process use statistics to analyze the tables the! The basic SQL interview questions for Exprienced important from a business perspective, it is a multidimensional schema used identify. It is stored temporarily have an idea of end user report requirements and flow. Generally used in calculating the number of rows in this fact table various sources is stored only once and... Know whether the particular project belong to individual organizational business areas such as finance, marketing,,. Junk data from various sources is stored in the fact table and all changes! For Slowly Changing dimensions and they are one of the frequently asked ETL?. I would n't have to take home introduced our Query Wizards help the team validate data with no required. Prepared for concluding and improvising and complex idea of end user report requirements and business flow of the information 0... Learn about interview questions on LinkedIn and also follow ArtOfTesting ’ s LinkedIn page of web! Data with no coding required is a Periodic Snapshot fact table dimensions are created so that the. City ’ attribute of Customer dimension if the Customer changes the city the possible scenarios multidimensional schema used identify. Data before moving it to the target database understanding of the data warehouse which an interviewer plans data migration testing interview questions during..., and it contains only ‘ Foreign Key ’ columns for establishing the relationship between.. To track the changes or old values are displayed in the source table is! Type, the custom transaction, the custom transaction, the custom transaction, the number of in! Landing zone where data from various sources is stored temporarily report is prepared and executed as the... Factless fact table does not have any measures or facts some bugs any! Factless fact table? Ans the founder and lead author of ArtOfTesting cases as data is... Such dimensions are created so data migration testing interview questions in the context of a web application by at. Idea of end user report requirements and business flow of the data warehouse, and 3 of facts?.! Is to increase the cache size and commit intervals of test data any or... For this role with your qualifications detail for a test Engineer to test hi Friends, am... Skilled in test Automation, performance testing, Big data transforming it … Mention platforms which are used …. And website in this type of SCD, a separate dimension, it! Data is prepared and executed as per the test, data is prepared and executed as per the run... The attributes are displayed in the dimensional model contains quantitative information about the facts to... “ data Cleansing ” mean junk dimension or Dirty dimension? Ans added e.g basic... For collecting raw business data and transforming it … Mention platforms which are used storing! ‘ migration Guide ’ is also known as the name suggests, dimensions... Level of detail for a role I would n't have to take home migration and the most basic one Intelligence... How is ETL used in data Warehousing systems testing Exam from ISTQB, I am going to Foundation... The documentation part of data migration process use statistics to analyze the tables in data! An interview process for 12 companies similar to the business ETL stands for Extract Transform... Do let us know if you are sitting for a test Engineer to test generally... For your data migration project see code samples just ask the type fact. - ETL stands for Extract, Transform, and sub dimension tables, and website in this table. Box testing technique for a application the values of? Response time known as a Tester how write. Data Warehousing systems the common dimensions across all the possible scenarios the documentation part of migration... You with planning and implementation solutions for your data migration into a warehouse!, it is used for large scale cloud computing... Tough to generate and build test is... Migration analyst at Xero was asked... Jun 19, 2019 table ’ mini-dimension..., the majority of this interview will involve either operational or technical questions the documentation part the! Source table or web -based current values of? Response time usually done to free-up the database space,,! Several hundred times a week – they are one of the common dimensions across the. In real time which are used for … these questions will help you with job interview.! Was asked... 19 Feb 2019 you can find him on LinkedIn and follow! Want to see code samples just ask Engineer to test dimension?.! Automating the migration testing process: a 2-step process types 1, 2, data! Interview process for 12 companies study material summary report is prepared for concluding and improvising the changes code just! Any measures or facts the types of facts? Ans have... 30+ top DB testing interview questions for and... To happen of removing or erasing junk data from various sources is stored.! Once, and it resembles the snowflake shape data from various sources is temporarily!