What is a cursor in PL/SQL and how is it different from a cursor in other programming languages?

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What is a cursor in PL/SQL and how is it different from a cursor in other programming languages?

In PL/SQL, a cursor is a pointer that allows you to fetch or manipulate a set of rows returned by a SQL query. The cursor in PL/SQL is more powerful and versatile compared to cursors in other programming languages.

The main difference lies in the functionality and features of the cursor. In PL/SQL, a cursor can be declared, opened, fetched, and closed explicitly by the programmer, providing more control over the data retrieval process. On the other hand, in some other programming languages, cursors are often implemented implicitly by the language itself, with limited options for customization and optimization.

Overall, understanding the use of cursors in PL/SQL and their unique capabilities can greatly enhance your ability to work with and manipulate data within a database environment.

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