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Stored Procedure

A stored procedure is a group of SQL statements that form a logical unit and perform a particular task. Stored procedures are used to encapsulate a set of operations or queries to execute on a database server. For example, operations on an employee database (hire, fire, promote, lookup) could be coded as stored procedures executed by application code. Stored procedures can be compiled and executed with different parameters and results, and they may have any combination of input, output, and input/output parameters.
Stored procedures are supported by most DBMSs, but there is a fair amount of variation in their syntax and capabilities. For this reason, we will show you a simple example of what a stored procedure looks like and how it is invoked from JDBC.