Home Database Mysql Tutorial SqlServer基础:游标

SqlServer基础:游标

Jun 07, 2016 pm 03:24 PM
DE sqlserver Base cursor

记录下今天用到的 游标 : DECLARE @TempID INT DECLARE @Number INT SET @Number=1 DECLARE myCursor CURSOR FOR SELECT MemberID FROM dbo.Member OPEN myCursor FETCH NEXT FROM myCursor INTO @TempID WHILE(@@fetch_status=0) BEGIN UPDATE dbo.Member

记录下今天用到的游标

DECLARE @TempID INT
DECLARE @Number INT
SET @Number=1
DECLARE myCursor CURSOR FOR 
    SELECT MemberID FROM dbo.Member
OPEN myCursor
FETCH NEXT FROM myCursor INTO @TempID

WHILE(@@fetch_status=0)
    BEGIN
        UPDATE dbo.Member
            SET MemberName='测试会员'+ CONVERT(VARCHAR,@Number,50)
            WHERE MemberID=@TempID
        SET @Number=@Number+1
        FETCH NEXT FROM myCursor INTO @TempID
    END
CLOSE myCursor
DEALLOCATE myCursor

待续.....



DECLARE @id INT
DECLARE @money INT
DECLARE  cursor1 CURSOR FOR
SELECT IntegrateCardID,RemainSum FROM dbo.IntegrateCard
OPEN cursor1
FETCH NEXT FROM cursor1 INTO @temp,@money
WHILE ( @@fetch_status = 0 )
    BEGIN
        UPDATE  dbo.IntegrateCard
        SET     PreRecharge = @money
        WHERE   IntegrateCardID = @id
        
        FETCH NEXT FROM cursor1 INTO @TempMemeberID
    END
CLOSE cursor1
DEALLOCATE cursor1

Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

Video Face Swap

Video Face Swap

Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

How to import mdf file into sqlserver How to import mdf file into sqlserver Apr 08, 2024 am 11:41 AM

The import steps are as follows: Copy the MDF file to SQL Server's data directory (usually C:\Program Files\Microsoft SQL Server\MSSQL\DATA). In SQL Server Management Studio (SSMS), open the database and select Attach. Click the Add button and select the MDF file. Confirm the database name and click the OK button.

How to solve the problem that the object named already exists in the sqlserver database How to solve the problem that the object named already exists in the sqlserver database Apr 05, 2024 pm 09:42 PM

For objects with the same name that already exist in the SQL Server database, the following steps need to be taken: Confirm the object type (table, view, stored procedure). IF NOT EXISTS can be used to skip creation if the object is empty. If the object has data, use a different name or modify the structure. Use DROP to delete existing objects (use caution, backup recommended). Check for schema changes to make sure there are no references to deleted or renamed objects.

What to do if the sqlserver service cannot be started What to do if the sqlserver service cannot be started Apr 05, 2024 pm 10:00 PM

When the SQL Server service fails to start, here are some steps to resolve: Check the error log to determine the root cause. Make sure the service account has permission to start the service. Check whether dependency services are running. Disable antivirus software. Repair SQL Server installation. If the repair does not work, reinstall SQL Server.

How to check sqlserver port number How to check sqlserver port number Apr 05, 2024 pm 09:57 PM

To view the SQL Server port number: Open SSMS and connect to the server. Find the server name in Object Explorer, right-click it and select Properties. In the Connection tab, view the TCP Port field.

How to recover accidentally deleted database in sqlserver How to recover accidentally deleted database in sqlserver Apr 05, 2024 pm 10:39 PM

If you accidentally delete a SQL Server database, you can take the following steps to recover: stop database activity; back up log files; check database logs; recovery options: restore from backup; restore from transaction log; use DBCC CHECKDB; use third-party tools. Please back up your database regularly and enable transaction logging to prevent data loss.

Where is the sqlserver database? Where is the sqlserver database? Apr 05, 2024 pm 08:21 PM

SQL Server database files are usually stored in the following default location: Windows: C:\Program Files\Microsoft SQL Server\MSSQL\DATALinux: /var/opt/mssql/data The database file location can be customized by modifying the database file path setting.

How to delete sqlserver if the installation fails? How to delete sqlserver if the installation fails? Apr 05, 2024 pm 11:27 PM

If the SQL Server installation fails, you can clean it up by following these steps: Uninstall SQL Server Delete registry keys Delete files and folders Restart the computer

How to change sqlserver English installation to Chinese How to change sqlserver English installation to Chinese Apr 05, 2024 pm 10:21 PM

SQL Server English installation can be changed to Chinese by following the following steps: download the corresponding language pack; stop the SQL Server service; install the language pack; change the instance language; change the user interface language; restart the application.

See all articles