--查看数据库中所有触发器 https://docs.microsoft.com/en-us/sql/t-sql/statements/create-trigger-transact-sql?view=sql-server-ver15 -- 涂聚文(Geovin Du) edit https://www.mssqltips.com/sqlservertip/5909/sql-server-trigger-example/ select * from sysobjects where xtype='TR' -- exec sp_he...
SQL Server provides the@@FETCHSTATUSfunction that returns the status of the last cursorFETCHstatement executed against the cursor;If@@FETCHSTATUSreturns 0, meaning theFETCHstatement was successful. You can use theWHILEstatement to fetch all rows from the cursor as shown in the following code: WHIL...
A SQL Server generatedprepared handleidentifier.prepared handleis required and returnsint. cursor The SQL Server generatedcursoridentifier.cursoris a required parameter that must be supplied on all subsequent procedures that act upon this cursor, for example,sp_cursorfetch. ...
The JDBC driver provides an adaptive buffering feature that allows you to retrieve statement execution results from the SQL Server as the application needs them, rather than all at once. For example, if the application should retrieve a large data that is too large to fit entirely in application...
Cursor names can only be referenced by other Transact-SQL statements. They can't be referenced by database API functions. For example, after declaring a cursor, the cursor name can't be referenced from OLE DB, ODBC, or ADO functions or methods. The cursor rows can't be fetched using the...
Copy and paste the following example into the query window and selectExecute. This example shows how to usesp_configureto set thecursor thresholdoption to0so that cursor keysets are generated asynchronously. SQL USEmaster; GOEXECUTEsp_configure'show advanced options',1; GO RECONFIGURE...
ServerName nvarchar Name of the instance of SQL Server being traced. 26 No SessionLoginName nvarchar Login name of the user who originated the session. For example, if you connect to SQL Server using Login1 and execute a statement as Login2, SessionLoginName shows Login1 and LoginName shows...
Server-Side Cursors and the SQLSRV Driver The following example shows the effect of the various cursors. On line 33 of the example, you see the first of three query statements that specify different cursors. Two of the query statements are commented. Each time you run the program, use a ...
After reading this article you will understand what a database cursor is, see an example, and understand when to use them in a stored procedure. All the examples for this lesson are based on Microsoft SQL Server Management Studio and the sample databases AdventureWorks and WideWorldImporters. ...
sessioncursor其实就是指的跟这个session相对应的server process的PGA里(准确的说是UGA)的一块内存区域(或者说内存结构),它的目的是为了处理且一次只处理一条sql语句。 一个session cursor只能对应一个shared cursor,而一个shared cursor却可能同时对应多个session cursor。