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What is the difference between execute, executequery, executeupdate?

executeQuery()—for getting the data from database.
executeUpdate()—for insert,update,delete.
execute()—any kind of operations.

boolean execute(): Executes the SQL statement in this Prepared Statement object, which may be any kind of SQL statement.
ResultSet executeQuery(): Executes the SQL query in this Prepared Statement object and returns the ResultSet object generated by the query.
int executeUpdate(): Executes the SQL statement in this Prepared Statement object, which must be an SQL INSERT, UPDATE or DELETE statement; or an SQL statement that returns nothing, such as a DDL statement.

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