A Complete Learning Hub for ETL development, DataStage job design, data pipelines, SQL optimization, and Data Engineering fundamentals. Clear explanations, practical scenarios, and real-world solutions to help you upskill and grow in the data world.
1.SQL optimization technics.
2. Keys in sql
3. Find second highest salary
4. Sql Joins
5.Sql Indexes
6.Sql Date Functions
In IBM Infosphere DataStage , both Copy Stage and Modify Stage are simple processing stages used in parallel jobs , but their purpose i...
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