stored procedure cursor

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SQL _ cursor Summary

Original: http://ntk2006.blog.sohu.com/135331235.html Cursor ConceptCursors provide a flexible way to retrieve and operate data from tables. cursors are mainly used on servers to process SQL statements sent from clients to servers, or data

Stored Procedure 4-cursor: Stored Procedure cursor

Stored Procedure 4-cursor: Stored Procedure cursor Cursors are used in stored procedures and functions. The syntax is like in an embedded SQL statement. The cursor is read-only and non-rolling. It can only be traversed in one direction. It cannot

Usage of SQL stored procedure cursor loop and How to Use cursor to write a simple loop, stored procedure cursor

Usage of SQL stored procedure cursor loop and How to Use cursor to write a simple loop, stored procedure cursor The cursor and WHILE can be used to traverse each record in your query and pass the required fields to the variable for corresponding

SQL database Stored Procedure example parsing and SQL stored procedure example

SQL database Stored Procedure example parsing and SQL stored procedure example What is a stored procedure:Stored procedures can be said to be a record set, it is a code block composed of some T-SQL statements, these T-SQL statement code implements

DB2 stored procedure development best practices)

Http://www.ibm.com/developerworks/cn/data/library/techarticles/dm-0604changhp/ The powerful functions provided by DB2 allow developers to create highly efficient and stable stored procedures. But for beginnersProgramIt is not easy. This article

SQL Server Books Online: stored procedures and their creation

server| Create | Stored procedure stored procedures can make it much easier to manage the database and to display information about the database and its users. Stored procedures are precompiled collections of SQL statements and optional control flow

Mysql stored procedure details and complete instance download, mysql Stored Procedure instance

Mysql stored procedure details and complete instance download, mysql Stored Procedure instance I. Concept of Stored Procedure1. Stored Procedure is a set of SQL statements to complete specific functions. Compiled and stored in the database.2. stored

MySQL stored procedure cursor use instance detailed

Example 1, a simple stored procedure cursor instance The code is as follows Copy Code DELIMITER $$DROP PROCEDURE IF EXISTS getuserinfo $$ CREATE PROCEDURE GetUserInfo (in Date_day datetime)----Example--Stored procedure

Mysql Stored Procedure cursor and multi-cursor instance

Cursors are a powerful feature in the mysql stored procedure. The most commonly used is the cursors In the stored procedure. The following describes some instances of cursors In the mysql stored procedure, hope to help you. Example The

Explicit cursor, implicit cursor, and dynamic ref cursor in PLSQL

Today, we will briefly summarize the usage of cursor in PL/SQL. Cursor category: -- Explicit cursor-- Static cursor | | -- Implicit cursorCursor |-- Strong type (Restriction), specifying the return type-- Dynamic Cursor -- ref cursor |-- Weak type

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