affected rows

I learned from manual that the mysql_affected_rows function will return abnormal values when the data before and after UPDATE is the same,The following is a convenient solution. The bdobrica at gmail dot com message is displayed on the official

The mysql_affected_rows function returns an abnormal value when the data before and after UPDATE is the same, next, I will introduce you to a friend who is interested in simple solutions. refer to the following. I learned from manual that the

(Test on MySQL 5.1.36) Found_rows (): selectRow_count ():InsertUpdate Delete   Note: It must be used together with the corresponding operation. Otherwise, the returned values are only 1 and-1 (both incorrect values) Example: Code

@ Rowcount Returns the number of rows affected by the previous statement. Syntax@ Rowcount Return typeInteger NoteAny statement that does not return a row sets this variable to 0, such as the if statement. ExampleIn the following example,

In the recent project, "Return (INT) cmd. Parameters [returnvalue]. value;" returns 0 every time. I think it is strange that there is a value after SQL query? I suddenly thought that store procedure does not return a value, so every time it is 0,

  spare time to play nodejs when you encounter a bit of egg pain, in the use of MySQL module connection MySQL operation, want to update, DELETE statement, want to know exactly update, delete succeeded no The way to do this directly in MySQL is to

1: replace FunctionThe first parameter is your string, the second parameter is what you want to replace, and the third parameter is what you want to replaceSelect Replace ('lihan', 'A', 'B ')-----------------------------Lihbn (The number of affected

1: replace FunctionThe first parameter is your string, the second parameter is what you want to replace, and the third parameter is what you want to replaceSelectreplace ('lihan', 'A', 'B ')-----------------------------Lihbn (The number of affected

In PHP, mysqli_affected_rows analyzes the returned values of the number of rows, and mysqlinumrows. In PHP, the returned values of mysqli_affected_rows are analyzed. In this example, the returned values of mysqli_affected_rows are analyzed in PHP.

This article mainly introduces the returned values of mysqli_affected_rows for the number of rows in PHP. The example analyzes the usage of the common mode and oop mode, which has some reference value, for more information, see the examples in this

This article mainly introduces the returned values of mysqli_affected_rows for the number of rows in PHP. The example analyzes the usage of the common mode and oop mode, which has some reference value, for more information, see the examples in this

In this paper, we analyze the return value of Mysqli_affected_rows action line number in PHP. Share to everyone for your reference. The specific analysis is as follows: The number of rows affected by an update operation in MYSQLI can be returned in

Returns the number of affected rows in the previous statement! Similar to @ ERROR, each statement is reset after execution. If it is used in the future, you need to save the variable to a local variable. Any statement not returned sets this variable

This article to give your classmates about the Mysqli_affected_rows function in PHP return value, there is a need to know the friend can refer to. The number of rows affected by the update operation in Mysqli can have two return forms: 1. Returns

The number of rows affected by an update operation in MYSQLI can be returned in two ways: 1. Returns the number of rows matched 2. Returns the number of rows affected By default, the value returned by Mysqli_affected_rows is the number of rows

    The database in this article uses the SQL server's built-in data Northwind. Connection string: String conn = ConfigurationManager. ConnectionStrings ["NorthwindConnectionString"]. ConnectionString;   Confige file:   1. Only the stored

C # detailed description of calling a stored procedure, The database in this article uses the SQL server's built-in data Northwind. Connection string: String conn = ConfigurationManager. ConnectionStrings ["NorthwindConnectionString"].

Welcome to the Linux community forum and interact with the 2 million technical staff. The introduction of Replace is similar to the insert statement. If an old record in the table has the same value as a new record used for PRIMARYKEY or a UNIQUE

Http://blog.csdn.net/xys_777/archive/2010/06/22/5685953.aspx Summary of Row-to-column conversion problems-1. Row-to-column conversion (various problems in the forum will be sorted out later) --- 1. Simplest row-to-column Conversion/* Question:

Introduction Replace is similar to an insert statement.If an old record in the table has the same value as a new record used for the primary key or a UNIQUE index, the old record is deleted before the new record is inserted. Unless the table has a