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What is a JOIN? Explain types of JOIN in oracle - A join is a query that extracts data from two or more tables, views or snapshots.....
Example 24 Example of outer join which is not equi join, ... 6.4 Difference between predicates in ON clause vs. predicates in WHERE clause
two tables in database, similar structure below. -I need the list of elements from TABLE1 where P1 matches S3 and at the same time P2 matches S2.
To-Index or not to INDEX TO INDEX OR NOT TO INDEX, this is the question ... In this type of joins, Oracle engine scans records from one table first