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You can use SQL to:
  1. Alter data within a table. If you access a database that has organized data within a table, you can use SQL to manipulate this data. ...
  2. Create a table. ...
  3. Retrieve data. ...
  4. Change data structure. ...
  5. Define the database's schema. ...
  6. Manipulate the data. ...
  7. Grant access to data. ...
  8. Define user functions and procedures.
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