To execute a query, call an execute method from Statement such as the following:
- execute : Returns true if the first object that the query returns is a ResultSet object. ...
- executeQuery : Returns one ResultSet object.
- executeUpdate : Returns an integer representing the number of rows affected by the SQL statement.
How does a query run?
Run the query
- Locate the query in the Navigation Pane.
- Do one of the following: Double-click the query you want to run. Click the query you want to run, then press ENTER.
- When the parameter prompt appears, enter a value to apply as a criterion.
How does a database execute a query?
Once the client submits a database query statement via network protocol to the database server, it is first interpreted and then executed. The interpretation is meant to decipher the meaning of the query. This is done by parsing the SQL statement and breaking it into elements before executing.