Which is better to use-a subquery or a join


Problem: Please help me with this question:

1) Which is better to use, a subquery or a JOIN? Why?

2) Show an example of each to support your reasoning.

3) Communicate with a relational database to create tables, and query and manipulate data.

3) Use normalizing and data integrity methodologies when designing a database.

4) Create and manage databases and their related components.

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PL-SQL Programming: Which is better to use-a subquery or a join
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