SQL queries testing basics unix aptitude
Tester Etl Interview Questions
192 tester etl interview questions shared by candidates
few ETL concepts and SQL queries
Case vs decode Scd 1 scd 2 How to test old loaded data in DW which is not present in source Join condition on null, empty and duplicate
correlated subqueries
how to find duplicate records
Dimension table Fact table Full load n incremental load Query to find duplicates
Technical Written Test : Questions are 1. Defect density 2. Test coverage 3. Test approach 4.SQL Queries : - on Customer Dimension,Time Dimension,Store Dim,State Dim,Sales_amount Fact. There was 7 to 8 question on it to write Sql Queries. a. Unique customers as per region b. Duplicate Cuctomer 5. Query to select Customer name, Cust Id,Mgr Name,Mgr Id
explain tera data architecture
Basics of etl, Python DS, sql
How do you test data integrity and data reconciliation
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