I have never been ignorant.
A friend asked me about the following.CodeWhy not:
Declare
@ Rowcount
Int ;
Set
@ Rowcount
=
10 ;
Select
Top
@ Rowcount
*
From
Table
This is because top only accepts constants as
Because looking at Oracle, I always thought SQL Server was stupid.
It's rumored that SQL 2005 has something rowid to solve the top sort problem. Unfortunately, there is no chance to experience it. When you write a stored procedure in SQL 2000, you
Source: The difference between @ @IDENTITY and @ @ROWCOUNT in SQL Drip 31-sql statementdifference between @ @IDENTITY and @ @ROWCOUNT in SQL statementsAfter an INSERT, SELECT into, or bulk copy statement is complete, the @ @IDENTITY contains the
After a DML statement is executed, the results of the DML statement are stored in four cursor attributes, which are used to control the program flow or understand the program status. When running DML statements, PL
After a DML statement is executed,
SQL % found, SQL % notfound, SQL % rowcountWhen executing the DML (insert, update, delete) statement, you can use the following three implicit cursors (the cursor is an area in the memory that maintains the query results, which is opened when DML is
In SQL Server, the number of affected rows returned is: If @ @RowCount In Oracle, the number of affected rows returned is: If sql%rowcountCases:Sql server:Create procedureproc_test@Stat int=0, @MsgId varchar( -)="', as BEGIN
After a DML statement is executed, the results of the DML statement are stored in four cursor attributes, which are used to controlProgramProcess or understand the program status. When running a DML statement, PL/SQL opens a built-in cursor and
Sql%rowcount is used to record the number of modified bars, as if you were prompted to delete xx rows after executing the delete from Sqlplus, this parameter must be placed between a modification statement and a commit, otherwise you will not get
Sql%rowcount is used to record the number of modified bars, as if you were prompted to delete xx rows after executing the delete from Sqlplus, this parameter must be placed between a modification statement and a commit, otherwise you will not get
Talking about the ROWCOUNT function of PDO, talking about Pdorowcount
PDO has a function Pdostatement::rowcount returns the number of rows affected by the previous SQL statement.
The ROWCOUNT function is correct for a delete, INSERT, or UPDATE
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.