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How SQL determines whether a function stored procedure exists(2010-12-03 10:08:57)reproduced Below you introduce SQL under the use of a variety of resources to determine the existence of the code, the need for

if exists (SELECT * from dbo.sysobjects WHERE id = object_id (N ' [dbo].[ F_getdbpath] ') and xtype in (n ' FN ', n ' IF ', n ' TF '))Drop function [dbo]. [F_getdbpath]GO/*--get the file directory of the database@dbname Specifies the name of the

The stored procedure of SQL statement copying does not have USEmastergoIFEXISTS (SELECT * FROMdbo. sysobjectsWHEREidObject_id (N [dbo]. [sp_copyProce]) ANDObjectproperty (id, NIsProcedure) 1) DROPPROCEDURE [dbo]. [sp_copyProce]

How to import and export MSSQLServer to a remote server is required by a friend who backs up the mssql database. How to import/export MSSQL Server to a remote Server is required by friends who have backed up the mssql database. 1. Open the local

This is a novel method. I have written several stored procedures in my recent work and need to pass strings to the stored procedures. Because SQLServer2000 does not have built-in functions similar to split, I have to handle them myself, it is very

Database Operation deadlocks are inevitable. This article does not discuss how deadlocks are generated, but focuses on solving deadlocks. Through SQLServer2005, there seems to be a new solution. When the following SQL statement is placed in two

As we all know, PHP is a weak language. You do not need to define the variable before using it, and do not need to declare the data type of the variable. This brings a lot of convenience in programming, but it also brings some hidden risks,

PHP5ZendEngine2 improvement. The object processing part of the new object model PHP has been completely rewritten, providing better performance and more functions. In previous PHP versions, objects were treated as original simple types (such as the

Command -------------------- grep ---------------------------- in Linux: search for a string template in one or more files. if the template contains spaces, all strings after the template must be referenced as file names without affecting common

People who are familiar with Linux's 20 most commonly used commands will know that there are indeed many commands in Linux, however, users who have ever played Linux have never been troubled by so many Linux commands, because we only need to master

The processing of JSON by JSJson2.js's Source Address:Https://github.com/douglascrockford/JSON-jsJson2.js provides a way to serialize and deserialize JSON, convert a JSON object to a JSON string, or convert a JSON string to a JSON object.Add a json2.

Recently, it's a little decadent. It's not good to take a rest every day. I'm really not in the status of CF. I haven't written a question for a long time, so I wrote a question about water to remove the grass. Every day, I was scared by the various

-- Importing data from an Excel file to a SQL database is simple. Use the following statement:/* ===================================================== ===================================== */-- If the table to be imported already existsInsert into

Mysqld Program-directory and fileBasedir = path uses the given directory as the root directory (installation directory ).Character-sets-dir = path indicates the directory where the character set is stored.Datadir = path reads database files from a

Hash connections hash and merge connections are used to separate internal and external sources. The connection condition cannot be used as a search parameter. If you do not specify search parameters for a table or an inappropriate index, scan the

For more information about OBJECTPROPERTY, see: http://msdn.microsoft.com/en-us/library/ms176105.aspx Errors are inevitable during development. To correct errors and normalize them. You can use the system stored procedures sp_rename and

Typical BFS, find the starting point to search directly. It is important to note that the processing of layers. Coordinates-to-ID conversions. There is also the early judgment on whether to reach the end.The code comment is very detailed, the last

Today, we need to count the current maximum IDs of all tables in the database. It is too difficult to query each table one by one, so we can write a stored procedure for future use. CREATEPROCEDURE [dbo]. [get_tableid] ASCREATETABLE # tablespaceinfo

MySQL database 5.0 my. cnf configuration options Overview: Mysqld Program-directory and file Basedir = path uses the given directory as the root directory (installation directory ). Character-sets-dir = path indicates the directory where the

Importing data from an Excel file to a SQL database is simple. Importing data from an Excel file to a SQL database is simple. -- Importing data from an Excel file to a SQL database is simple. Use the following statement: /* =========================