set rowcount

The SQL statement used to query multiple fields, query multiple tables, and delete duplicate records. SQL repeat record Query 1. Search for redundant duplicate records in the Table. duplicate records are determined based on a single field (peopleId )

Complex. It supports multiple logical operators, including +-and or spaces, and can be added as needed. You can search for the table based on the condition, and the speed is also optimized, which can be said to be very fast. Of course, because it

/*************************************** ***** **************************************** * ******************** Parameter description: 1. tables: Table Name, view 2. primaryKey: Primary keyword 3. sort: Sorting statement without Order By such as

Summary This article describes varous methods that you canUse to simulate a cursor-like fetch-Next logic in a stored procedure,Trigger, or transact-SQL batch. Use Transact-SQL statements to iterate through a result set There are three methods you

In ms SQL Server, you can make full use of the stored procedure for page optimization. The following is a good example, which makes full useSet rowcount. During the storage process, you can input the page number of page n to @ startrowindex. @

For example, now there is a person table (table name: peosons)If you want to have the name, ID number, address of these three fields exactly the same records query Copy Code code as follows: Select p1.* From persons p1,persons P2

The simplest net paging program CREATE procedure [dbo]. [Sp_getpagecontrol](@TableNames nvarchar (200)--table name, can be multiple tables, but cannot be aliased@PrimaryKey nvarchar (100),--primary key, can be null, but @order is empty when the

Commonly used statements 1, look for redundant records in the table, duplicate records are based on a single field (MAIL_ID) to judge The code is as follows Copy Code SELECT * FROM Table WHERE mail_id to (select mail_id

For example: ID Name Value 1 a pp 2 a PP 3 B III 4 B pp 5 B pp 6 C pp 7 C pp 8 C III ID is primary key Ask for such a result ID Name Value 1 a pp 3 B III 4 B pp 6 C pp 8 C III Method 1 Delete yourtable where [id] not in ( Select MAX ([id]) from

One, query a field repeat Copy Code code as follows: SELECT * From User u where U.user_name in (select U.user_name From User u GROUP BY U.user_name has count (*) > 1) Two, delete the duplicate of a few fields in the

* *************************************************************** * China worry-free business network tens of millions of pages stored procedures * * * ************************ Parameter description: 1.Tables: Table name, view 2.PrimaryKey: Primary

Copy Code code as follows: Set ANSI_NULLS on SET QUOTED_IDENTIFIER ON Go Create PROCEDURE [dbo]. [Sp_pagination] /**//* *************************************************************** * * Tens of millions of levels of paging stored

Note: "Repeat" here is not a complete repetition, meaning a field data duplication HZT table Structure ID int Title nvarchar (50) Adddate datetime Data One. Find duplicate records 1. Find all duplicate records SELECT * FROM table Where repeat field

CREATE procedure [dbo]. [Protableselectpage](@Tables varchar (1000)--table name such as TestTable@PrimaryKey varchar (100), the primary key of the table, must be unique@Sort varchar = NULL,--sort fields such as f_name ASC or F_name desc (Note that

Method One Copy Code code as follows: Declare @max integer, @id integer Declare cur_rows cursor Local for select main field, COUNT (*) from table name Group by main field having count (*) > 1 Open Cur_rows Fetch cur_rows into @

Effect Demo: http://www.cn5135.com/_App/Enterprise/QueryResult.aspx CREATE PROCEDURE cn5135_sp_pagination/***************************************************************** * Tens of millions of levels of paging stored procedures * *******************

Xml XSLT command [XML format conversion]1. Cycle 2. Sort 3. Conditional processing or or 4. Name Template,,5. Numbering method XML document [Article.xml] 2897[sharing] Tens of thousands of levels of paging stored procedures (with effect demo)

There are too many files in the machine, so it needs to be sorted out. This article to organize the picture file for example, give us a little thought Code's operating environment: Iis5.0+sql server2000 Database scripts: if exists (SELECT * from

Stored Procedures | Paging in the elite area about stored procedure paging there are probably three ways respectively: Temporary tables, see 658037 method to provide a stored procedure paging in the next cursors, see the 6,580,661 theoretically

asp.net| Pagination | Display Summary: In this paper, we discuss the display of Web database records by using the DataGrid control in the ASP.net framework, and a custom paging display for database records. Keywords: web database; asp.net;datagrid;