10. Task 3: “A substantial understanding of the concepts of the optimizer is essential for SQL Tuning.” Discuss the following in detail a. The purpose of the query optimizer, b. The different components of the query optimizer and c. Discuss any one tool that is available for query optimization with oracle.

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SQL Query

Structured Query Language is the full form of SQL. It is one of the standard languages to deal with the relational database. It is used to insert, update, delete, and search the records stored in a RDBMS. The relational databases are created and managed by using SQL.