As a DataStage ETL developer, you can expect a minimum of 2 scenario-based questions in any DataStage interview. This is common across all organization’s interviews. The interviewer might want …
In this post, we discuss what are the things we need to keep in mind while stored procedures in SQL Server when it comes to performance and best practice. …
In this post, we discuss what are the things we need to keep in mind while dealing with datatypes in SQL Server when it comes to performance and best …
Error: The input schema column name is not used and the connector is configured to stop when unused columns are detected in the input schema. Explanation: The specified input …
Quite a number of programmers learning scripting on a PC running DOS. Even the crippled DOS batch file language allowed writing some fairly powerful scripts and applications, though they …
You can watch below video for practicing below questions:
In this post, you will learn about the Oracle DUAL table which is a special table used for evaluating expressions or calling functions. Now let’s dig into more on …
In short, the difference between UNION operator and UNION ALL (UNION vs UNION ALL) operator is UNION gives unique results set in the output even though the combined result …
