Learn Oracle SQL Tuning – Equal SQL is not Always
Duration: 60 minutes
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Learn Oracle SQL Tuning!
Learn how and why equivalent SQL statements can have a dramatic effect on performance.
The Oracle Database cost-based optimizer (CBO) should recognize equivalent SQL statements and re-write them into the most efficient form. Well, nothing is perfect – not even Oracle Database. Sometimes the way you write your SQL can have a dramatic effect on performance.
Some experience with SQL tuning is expected.