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What does the SQL JOIN clause do?OptionsSorts rows in a tableDeletes rows from a tableCombines rows from two or more tablesInserts rows into a table

Question

What does the SQL JOIN clause do?

Options:

  • Sorts rows in a table
  • Deletes rows from a table
  • Combines rows from two or more tables
  • Inserts rows into a table
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Solution

Explanation of SQL JOIN Clause

The SQL JOIN clause is a powerful feature used to combine rows from two or more tables based on a related column between them. It allows for the retrieval of data that spans multiple tables, enabling complex queries that can bring insightful results. Here’s a breakdown of the provided options:

  1. Sorts rows in a table: This is incorrect. Sorting is usually performed using the ORDER BY clause.

  2. Deletes rows from a table: This is incorrect. Rows are deleted using the DELETE statement.

  3. Combines rows from two or more tables: This is the correct answer. The JOIN clause combines rows from different tables based on a related column.

  4. Inserts rows into a table: This is incorrect. Rows are inserted using the INSERT INTO statement.

Final Answer

The SQL JOIN clause combines rows from two or more tables based on a related column.

This problem has been solved

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