php pdo exec
PDO::exec() executes an SQL statement in a single function call, returning the number of rows affected by the statement. PDO::exec() does not return results from a SELECT statement. For a SELECT statement that you only need to issue once during your progr,PDO::query() executes an SQL statement in a single function call, returning the result set (if any) returned by the statement as a PDOStatement object. For a query that you need to issue multiple times, you will realize better performance if you prepare a,PDO::exec PHP PDO 参考手册PDO::exec — 执行一条SQL 语句，并返回受影响的行数(PHP 5 >= 5.1.0, PECL pdo >= 0.1.0) 说明语法int PDO::exec ( string $statement ) PDO::exec() 在一个单独的函数调用中执行一条SQL 语句，返回受此语句影响的行数。 PDO::exec() 不会从一条SELECT 语句.. , When using PDO::EXEC the result returned is not of an PDOStatement but an integer of the rows affected. When using PDO::QUERY the result returned is a PDOStatement . So the answer is it depends on what you need to do with the data, if you need to run que, PDO::query（PHP环境下同）和PDOStatement::execute函数均能实现SELECT查询功能，但官方文档并未见对此设计初衷的说明，此外还有个PDO::exec函数功能也很类似。天缘自己也很纳闷（也可能未发现或是未能完全.,我們建立好了MySQL，並且在test庫裡添加了表foo，包括id,name,gender,time等四個字段。 我們開始構造第一個PDO應用，建立一個pdo.php文件在Web文檔目錄下：. ＜?php $dsn = "mysql:host=localhost;dbname=test"; $db = new PDO($dsn, root, ); $count = $db-＞exec("INSERT INTO foo SET name = heiyeluren,gender=,To prepare and execute a single SQL statement that accepts no input parameters, use the PDO::exec or PDO::query method. Use the PDO::exec method to execute a statement that returns no result set. Use the PDO::query method to execute a statement that retur
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 php pdo exec 相關參考資料
PHP: PDO::exec - Manual - PHP.net
PDO::exec() executes an SQL statement in a single function call, returning the number of rows affected by the statement. PDO::exec() does not return results from a SELECT statement. For a SELECT state... http://php.net PHP: PDO::query - Manual
PDO::query() executes an SQL statement in a single function call, returning the result set (if any) returned by the statement as a PDOStatement object. For a query that you need to issue multiple time... http://php.net PDO::exec | 菜鸟教程
PDO::exec PHP PDO 参考手册PDO::exec — 执行一条SQL 语句，并返回受影响的行数(PHP 5 >= 5.1.0, PECL pdo >= 0.1.0) 说明语法int PDO::exec ( string $statement ) PDO::exec() 在一个单独的函数调用中执行一条SQL 语句，返回受此语句影响的行数。 PDO::exec() 不会从一条... http://www.runoob.com php - PDO::exec() or PDO::query()? - Stack Overflow
When using PDO::EXEC the result returned is not of an PDOStatement but an integer of the rows affected. When using PDO::QUERY the result returned is a PDOStatement . So the answer is it depends on wh... https://stackoverflow.com PDO query和execute区别- 天缘博客
PDO::query（PHP环境下同）和PDOStatement::execute函数均能实现SELECT查询功能，但官方文档并未见对此设计初衷的说明，此外还有个PDO::exec函数功能也很类似。天缘自己也很纳闷（也可能未发现或是未能完全. http://www.metsky.com PDO (PHP Data Object) 簡易教學@ wEb 亂講:: 痞客邦::
我們建立好了MySQL，並且在test庫裡添加了表foo，包括id,name,gender,time等四個字段。 我們開始構造第一個PDO應用，建立一個pdo.php文件在Web文檔目錄下：. ＜?php $dsn = "mysql:host=localhost;dbname=test"; $db = new PDO($dsn, root, ); $count = $db-＞e... http://easonyo.pixnet.net Executing a single SQL statement in PHP (PDO) - IBM
To prepare and execute a single SQL statement that accepts no input parameters, use the PDO::exec or PDO::query method. Use the PDO::exec method to execute a statement that returns no result set. Use ... https://www.ibm.com |