Stored procedure in sql: Learn what stored procedures are

Learn what stored procedures are in SQL and how to create, execute and drop them in different DBMS. See examples of stored procedures for selecting customers from the USA in SQL Server, PostgreSQL, MySQL and Oracle. SQL Server - Stored Procedures In SQL Server, a stored procedure is a set of T-SQL statements which is compiled and stored in the database. The stored procedure accepts input and output parameters, executes the SQL statements, and returns a result set if any. By default, a stored procedure compiles when it gets executed for the first time. This article will provide a review of SQL Server stored procedures with different examples. Overview of SQL Stored Procedure SQL stored procedures are generally precompiled group of an ordered series of Transact-SQL statements stored into a single logical unit which allow for variables and parameters declaration as well as selection and looping constructs, Based on the statements in the procedure and the parameters you pass, it can perform one or multiple DML operations on the database, and return value if any. Thus, it allows you to pass the same statements multiple times, thereby ...