varchar max

Transactional replication is a commonly used means in data synchronization, replication process will inevitably encounter a lot of problems, in the author's problems, there are generally two categories: one is to solve the problem by restarting the

Sometimes, to reduce the number of records stored, multiple records may be merged into one display. This situation is mainly reflected in the record in the other fields of the table are the same, only a certain field is a change in this case, such

1.xml.exist Enter an XQuery expression that returns either 0,1 or null. 0 means not present, 1 indicates existence, NULL indicates NULL input 2.xml.value Enter an XQuery expression that returns a SQL Server scalar value 3.xml.query Enter an XQuery

Sometimes, because of project development, some tables in the SQLServer2005 must be synchronized to the Oracle database, which can be read by other systems. Data synchronization between different database types can be implemented using linked

IF object_id (N ' usp_queryalltablefieldcontent ') is not nullbegindrop PROC usp_queryalltablefieldcontentendgocreate PROCEDURE usp_queryalltablefieldcontent (@queryFieldType VARCHAR (max),--type to query @queryContent VA Rchar (max),--the content

EXEC gettablescript ' frmuser ' CREATE PROCEDURE gettablescript@tablename VARCHAR () as--to get table scriptdeclare @Id int , @i int, @i2 int, @Sql varchar (max), @Sql2 varchar (max), @f1 varchar (5), @f2 varchar (5), @f3 varchar (5), @f4 varchar (5

If object_id (' Sp_create_table_sql ', ' P ') is not nulldrop proc sp_create_table_sqlgocreate proc Sp_create_table_sql (@ TableName varchar (255)) as Begin--exec sp_create_table_sql ' ad_adgroup '--0. Hiro--1. Indexes that do not support

With CTE as (SELECT A.fnumber,a.fmaterialid as mainid,b.fmaterialid as Chileid,cast (B.fmaterialid as VARCHAR (max)) as Lev from T_eng_b Om AJOIN dbo. T_eng_bomchild B on A.fid =b.fidWHERE A.fid = ' 100150 'UNION AllSELECT

Executing the inserted stored procedureALTER PROC [dbo]. [Proc_products_infoupdate]@FminAmount VARCHAR (MAX),@FmaxAmount VARCHAR (MAX),@FrateFloating VARCHAR (MAX)AsINSERT into dbo. Rate_floating (bakprocid,minamount,maxamount,ratefloating)SELECT

Problem Description: My device per second data inserted into the database,2 devices A total of 4000, when in the program directly with the insert When the statement is inserted, the two devices are inserted at the same time about a total of about

Sometimes we use the bulk operation to split the string, but SQL Server does not have the Split function, so you have to implement it yourself. There's nothing to say, just take it with the friends you need.SETAnsi_nulls onGOSETQuoted_identifier

When doing data migration or replication, it is sometimes necessary to verify the data differences between the target table and the source table. Here are a few ways to verify data differences:1. Two table connection queries, comparing the values of

Copy codeThe Code is as follows:SET ANSI_NULLS ONGOSET QUOTED_IDENTIFIER ONGO/*By kudychen 2011-9-28*/CREATE function [dbo]. [SplitString](@ Input nvarchar (max), -- input string to be separated@ Separator nvarchar (max) = ',', -- a string that

Sometimes we use batch operations to Split strings, but SQLServer does not have its own Split function, so we need to implement it ourselves. There's nothing to say. You need to use it directly. Sometimes we use batch operations to Split strings,

Sometimes, to reduce the number of stored records, multiple records may be merged into one display. In this case, the other fields recorded in the table are the same, and only one field is changed. For example, in personnel management, the IDS of

Shard creation 2004.4Copy codeThe Code is as follows:/* -- Call exampleExec p_lockinfo1--*/Alter proc p_lockinfo1@ Kill_lock_spid bit = 1, -- whether to kill the deadlock process; 1: Kill; 0: only show@ Show_spid_if_nolock bit = 1 -- if there is no

The article tells you how to delete the trim function, which is in SQL. It doesn't feel convenient in php. If you need it, please refer to the operation process. The article tells you how to delete the trim function, which is in SQL. It doesn't feel

Http://www.cnblogs.com/gaizai/archive/2010/01/11/1644358.html   Before I start, I want to talk about several concepts. Overwrite Query] When an index contains all the columns referenced by a query, it is usually called "Overwrite query ". [Index

1. xml. existIf the input is an XQuery expression, 0, 1 or null is returned. 0 indicates no, 1 indicates yes, and null indicates that the input is null.2. xml. ValueThe input is an XQuery expression and returns an SQL Server scalar value.3. xml.

The previously saved function is used to split a single string into a group of strings. Here, the separator is the English comma "," which can be modified slightly in other situations. Create Function DBO. f_splitstr ( @ STR varchar (8000)) Returns @