sql affected rows

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

How can I use the SQL aggregate function to obtain the number of affected rows for addition, deletion, and modification? It is usually very useful to calculate the number of rows returned or affected by a query before performing further operations.

Essence: Read operation, with mysql_num_rows function, write operation with mysql_affected_rows functionmysql_num_rows () returns the number of rows in the result set. This command is valid only for SELECT statements. To get the number of rows

1. @ Error   If an error occurs in the current statement, the error code is returned. Otherwise, 0 is returned. Note that @ error is reset immediately after each statement is executed. Therefore, check the value after the statement to be verified is

One of the power of T-SQL is the large volume of operation data. However, in some scenarios, the number of rows affected by T-SQL needs to be limited. For example, in the past, Yilong encountered a scenario where too many rows were changed at a time

Global variables @ @RowCount and function rowcount_big () are used to return the number of rows affected by the previous statement. ROWCOUNT_BIG." data-guid="df6e979fe91e453fbe7eeeba1ae04611"> If the number of rows is greater than 2 billion,

In normal mode, $ pdo-& amp; gt; exec ($ SQL); can be used to return the number of affected rows. How can I know the number of affected rows if data is inserted to the pre-processed object? $ Stmt $ pdo-& amp; gt; prepare ($ SQL); $ stmt-& amp; gt;

This article mainly introduces how php uses the exec () function under PDO to query the number of affected rows after execution, and analyzes the exec () When php uses pdo for addition, deletion, and modification () implementation tips and

Tag: Row BER statement its where means insert first batchFirst look at the data inside the database (s_id is the self-growing identity column):There are three ways to return the ID (identity value) of the last inserted data in SQL Server:The first

In Oracle, the number of affected rows returned is: If Sql%rowcountExample: Update Ut_calenderstatus T set T.CALENDERSTATUS=PI_FLG, t.m=pi_m, t.n=pi_n, T.prolong=pi_prolong where T.fundcode=pi_fundcode;