Home Database Mysql Tutorial 10 recommended content for mysql_data_seek() function

10 recommended content for mysql_data_seek() function

Jun 13, 2017 am 09:30 AM

Copy code definition and usage The mysql_data_seek() function moves the internal result pointer. grammar mysql_data_seek(data,row) parameter description data required. Returns a result set of type resource. This result set is obtained from a call to mysql_query(). row required. The number of rows in the new result set pointer you want to set. 0 indicates the first record. illustrate mysql_data_seek() moves the row pointer within the MySQL result specified by the data parameter to the specified row number. A subsequent call to mysql_fetch_row() will return that row. row starts from 0. The value range of row should be from 0 to mysql_num_rows - 1. But if the result set is empty (mysql_num_rows() == 0), moving the pointer to 0 will fail with an E_WARNING level error, and mysql_data_seek() will return false. Return value

1. Code for php to use mysql_data_seek to move the pointer to the initial position of the data set

Introduction: php uses mysql_data_seek to move the pointer to the initial position of the data set. Code for moving the pointer to the initial position of the data set

2. Implementation code for moving the pointer to the initial position of the data set in php[mysql_data_seek]_PHP tutorial

Introduction: Implementation code for moving the pointer to the initial position of the data set in PHP [mysql_data_seek]. Copy the code as follows: ? // Start snipit 1 $sql = "SELECT * from table"; $result = mysql_query($sql); while ($row = mysql_fetch_assoc($result)) { // do stuff with $row } mysql_

3. PHP mysql_data_seek() function tutorial_PHP tutorial

Introduction: PHP mysql_data_seek() function tutorial . PHP mysql_data_seek() Function Tutorial Definition and Usage The mysql_data_seek() function moves the internal row pointer. The continuous internal pointer is currently ranked in the returned result of the mysql_query () function

4. Move the pointer to the initial position of the data set in php_PHP tutorial

Introduction: Move the pointer to the initial position of the data set in PHP. In php, we need to return the initial position of the data set. This can be achieved with the mysql_data_seek function. See the code below. Copy the code as follows? // Start snipit 1 $sql = SELECT * from table; $result =

5. How does mysql reset the record pointer

Introduction: How does mysql reset the record pointer? How to reset the record pointer in mysql? ------Solution--------------------Execute mysql_data_seek($result, 0); first ------Solution--------------------PHP code mysql_data_seek($result, 0);

6. Questions about mysql_data_seek paging

Introduction: Ask the experts for advice Regarding the problem of mysql_data_seek paging, I am new to PHP. I searched for the usage of mysql_data_seek on the Internet, and I roughly understand the principle. However, I encountered a hurdle in actually doing paging and I couldn't get over it. My page pagination, including parameters, has been done, but it doesn't work when displaying records. The result of using the following statement is: the further to the later pages, the fewer the number of records. mysql_data_seek($result,($page-1)*$

7. Implementation code for moving the pointer to the initial position of the data set in php [mysql_data_seek]

Introduction: Implementation code for moving the pointer to the initial position of the data set in PHP [mysql_data_seek]. Copy the code as follows: ? // Start snipit 1 $sql = "SELECT * from table" ; $result = mysql_query($sql); while ($row = mysql_fetch_assoc($result)) { // do stuff with $row } mysql_

8. About mysql_data_seek Issues related to paging

Introduction: Ask experts about mysql_data_seek paging issues. I am a beginner in PHP. I searched the usage of mysql_data_seek on the Internet, and I roughly know the principle, but actually do paging. I encountered a hurdle and couldn't get over it. My page pagination and parameters have been done, but it doesn't work when displaying records. The result of using the following statement is: the more you go to the later pages, the fewer the records. $result,($page-1)*$

9. How to reset the record pointer in mysql

Introduction: How to reset the record pointer in mysql? How to reset the record pointer in mysql? ------Solution--------------------Execute mysql_data_seek($result, 0);------Solution---- ----------------PHP codemysql_data_seek($result, 0);

10. PHP mysql_data_seek() function tutorial

Introduction: PHP mysql_data_seek() function tutorial. PHP mysql_data_seek() Function Tutorial Definition and Usage The mysql_data_seek() function moves the internal row pointer. The contiguous internal pointer is currently ranked in the returned result of the mysql_query() function

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