DataStage Interview Questions and Answers,Solution and Explanation - Part 2
What are conformed dimensions?Course: Data StageSocial Tags: Data managementDatabasesExtract, transform, loadData modelingDatabase theoryData warehousingData warehouseDimensionSurrogate keyFact...
View ArticleDataStage Interview Questions and Answers,Solution and Explanation - Part 10
Overview:Data Warehousing Interview Questions,DataStage Interview Questions asked in HCL,Wipro,TCS,Infosys,Tech Mahindra,Patni,Sasken,BirlasoftCourse: Data StageSocial Tags: DatabaseExtract, transform,...
View ArticleMicrostrategy Interview Questions - part 7
What is metadata?What is two-tier connection?What is three-tier connection? What is difference between 2, 3 and 4 tier connections? How do you achieve schema object version control (similar to VSS)?...
View ArticleOptimization of Data Warehouse – Reporting Design
Problem Definition:- As per any standard Data Warehouse Project the entities <Transactional DB Source, ETL(Extract, Transform & Load) Process, Analytical DB Destination, UI for Reporting>...
View ArticleDataStage Interview Questions and Answers,Solution and Explanation - Part 8
What is merge and how it can be done Please explain with simple example taking 2 tables?Is it possible to run parallel jobs in server jobs?Course: Data StageSocial Tags: Oracle CorporationOracle...
View ArticleEIM Tuning - Reference
What is EIM EIM is a data loading tool that reads data from EIM tables (staging table) and Inserts/Updates/Deletes data in/from Siebel base tables. Why EIM tuning is importantCourse: Siebel EIMSocial...
View ArticleDataStage Interview Questions and Answers,Solution and Explanation - Part 9
How to drop the index before loading data in target and how to rebuild it in Datastage?How can ETL excel file to Datamart?Course: Data StageSocial Tags: Extract, transform, loadTechnologyData...
View ArticleClik here to view.
SQL Server Integration Services
Microsoft SQL Server provides a completely new enterprise extraction, transformation, and loading (ETL) platform called SQL Server Integration Services (SSIS) that ships with the features, tooCourse:...
View ArticleETL - Performance Improvement Tips
ETL jobs run every day to pull data from Transactional OLTP database Servers and Load Analytical OLAP warehouse data bases takes more time than its expected, Follwing are tips that will help you...
View ArticleEIM Data Loading : Oracle function - Bulk Collect
When loading data through EIM process, we normally use Pl/SQL procedures to fetch and process huge volume of records and then load the data to EIM Interface tables. There are scenarios when the normal...
View Article
