如果你不再需要 MySQL 數(shù)據(jù)庫中的某條記錄了，那么你也可以根據(jù)需要將其刪除！DELETE 語句用于從數(shù)據(jù)庫表中刪除行。刪除數(shù)據(jù)庫中的數(shù)據(jù)DELETE FROM 語句用于從數(shù)據(jù)庫表中刪除記錄。語法DELETE FROM table_name WHERE some_column = some_value...
http://www.o2fo.com/php/php-mysql-delete.htmlPHP mysqli_num_fields() 函數(shù) PHP MySQLi 參考手冊 實例 返回結(jié)果集中字段（列）的數(shù)量： <?php $con=mysqli_connect("localhost","my_user","my_password","my_db"); // Check connection if (mysqli_connect_errno($con)) { echo "Failed to connect to MySQL: " . mysqli_connect_error()...
http://www.o2fo.com/php/func-mysqli-num-fields.htmlPHP mysqli_num_rows() 函數(shù) PHP MySQLi 參考手冊 實例 返回結(jié)果集中行的數(shù)量： <?php $con=mysqli_connect("localhost","my_user","my_password","my_db"); // Check connection if (mysqli_connect_errno($con)) { echo "Failed to connect to MySQL: " . mysqli_connect_error(); }$sql="SELEC...
http://www.o2fo.com/php/func-mysqli-num-rows.htmlPHP mysqli_fetch_row() 函數(shù) PHP MySQLi 參考手冊 實例 從結(jié)果集中取得行： <?php $con=mysqli_connect("localhost","my_user","my_password","my_db"); // Check connection if (mysqli_connect_errno($con)) { echo "Failed to connect to MySQL: " . mysqli_connect_error(); }$sql="SELECT Las...
http://www.o2fo.com/php/func-mysqli-fetch-row.htmlPHP mysqli_fetch_lengths() 函數(shù) PHP MySQLi 參考手冊 實例 返回結(jié)果集中的字段長度： <?php $con=mysqli_connect("localhost","my_user","my_password","my_db"); // Check connection if (mysqli_connect_errno($con)) { echo "Failed to connect to MySQL: " . mysqli_connect_error(); }$sq...
http://www.o2fo.com/php/func-mysqli-fetch-lengths.htmlPHP mysqli_data_seek() 函數(shù) PHP MySQLi 參考手冊 實例 在結(jié)果集中尋找行號 15： <?php $con=mysqli_connect("localhost","my_user","my_password","my_db"); // Check connection if (mysqli_connect_errno($con)) { echo "Failed to connect to MySQL: " . mysqli_connect_error(); }$sql="SELE...
http://www.o2fo.com/php/func-mysqli-data-seek.htmlPHP mysqli_free_result() 函數(shù) PHP MySQLi 參考手冊 實例 從結(jié)果集中取得行，然后釋放結(jié)果內(nèi)存： <?php $con=mysqli_connect("localhost","my_user","my_password","my_db"); // Check connection if (mysqli_connect_errno($con)) { echo "Failed to connect to MySQL: " . mysqli_conne...
http://www.o2fo.com/php/func-mysqli-free-result.htmlPHP mysqli_fetch_assoc() 函數(shù) PHP MySQLi 參考手冊 實例 從結(jié)果集中取得一行作為關(guān)聯(lián)數(shù)組： <?php $con=mysqli_connect("localhost","my_user","my_password","my_db"); // Check connection if (mysqli_connect_errno($con)) { echo "Failed to connect to MySQL: " . mysqli_connect_err...
http://www.o2fo.com/php/func-mysqli-fetch-assoc.htmlPHP mysqli_field_tell() 函數(shù) PHP MySQLi 參考手冊 實例 取得所有字段的字段信息，然后通過 mysqli_field_tell() 取得當(dāng)前字段并輸出字段名稱、表格和最大長度： <?php $con=mysqli_connect("localhost","my_user","my_password","my_db"); // Check connection if (...
http://www.o2fo.com/php/func-mysqli-field-tell.htmlPHP mysqli_fetch_all() 函數(shù) PHP MySQLi 參考手冊 實例 從結(jié)果集中取得所有行作為關(guān)聯(lián)數(shù)組： <?php $con=mysqli_connect("localhost","my_user","my_password","my_db"); // Check connection if (mysqli_connect_errno($con)) { echo "Failed to connect to MySQL: " . mysqli_connect_er...
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如果你不再需要 MySQL 數(shù)據(jù)庫中的某條記錄了，那么你也可以根據(jù)需要將其刪除！DELETE 語句用于從數(shù)據(jù)庫表中刪除行。刪除數(shù)據(jù)庫中的數(shù)據(jù)DELETE FROM 語句用于從數(shù)據(jù)庫表中刪除記錄。語法DELETE FROM table_name WHERE some_column = some_value...
http://www.o2fo.com/php/php-mysql-delete.htmlPHP mysqli_num_fields() 函數(shù) PHP MySQLi 參考手冊 實例 返回結(jié)果集中字段（列）的數(shù)量： <?php $con=mysqli_connect("localhost","my_user","my_password","my_db"); // Check connection if (mysqli_connect_errno($con)) { echo "Failed to connect to MySQL: " . mysqli_connect_error()...
http://www.o2fo.com/php/func-mysqli-num-fields.htmlPHP mysqli_num_rows() 函數(shù) PHP MySQLi 參考手冊 實例 返回結(jié)果集中行的數(shù)量： <?php $con=mysqli_connect("localhost","my_user","my_password","my_db"); // Check connection if (mysqli_connect_errno($con)) { echo "Failed to connect to MySQL: " . mysqli_connect_error(); }$sql="SELEC...
http://www.o2fo.com/php/func-mysqli-num-rows.htmlPHP mysqli_fetch_row() 函數(shù) PHP MySQLi 參考手冊 實例 從結(jié)果集中取得行： <?php $con=mysqli_connect("localhost","my_user","my_password","my_db"); // Check connection if (mysqli_connect_errno($con)) { echo "Failed to connect to MySQL: " . mysqli_connect_error(); }$sql="SELECT Las...
http://www.o2fo.com/php/func-mysqli-fetch-row.htmlPHP mysqli_fetch_lengths() 函數(shù) PHP MySQLi 參考手冊 實例 返回結(jié)果集中的字段長度： <?php $con=mysqli_connect("localhost","my_user","my_password","my_db"); // Check connection if (mysqli_connect_errno($con)) { echo "Failed to connect to MySQL: " . mysqli_connect_error(); }$sq...
http://www.o2fo.com/php/func-mysqli-fetch-lengths.htmlPHP mysqli_data_seek() 函數(shù) PHP MySQLi 參考手冊 實例 在結(jié)果集中尋找行號 15： <?php $con=mysqli_connect("localhost","my_user","my_password","my_db"); // Check connection if (mysqli_connect_errno($con)) { echo "Failed to connect to MySQL: " . mysqli_connect_error(); }$sql="SELE...
http://www.o2fo.com/php/func-mysqli-data-seek.htmlPHP mysqli_free_result() 函數(shù) PHP MySQLi 參考手冊 實例 從結(jié)果集中取得行，然后釋放結(jié)果內(nèi)存： <?php $con=mysqli_connect("localhost","my_user","my_password","my_db"); // Check connection if (mysqli_connect_errno($con)) { echo "Failed to connect to MySQL: " . mysqli_conne...
http://www.o2fo.com/php/func-mysqli-free-result.htmlPHP mysqli_fetch_assoc() 函數(shù) PHP MySQLi 參考手冊 實例 從結(jié)果集中取得一行作為關(guān)聯(lián)數(shù)組： <?php $con=mysqli_connect("localhost","my_user","my_password","my_db"); // Check connection if (mysqli_connect_errno($con)) { echo "Failed to connect to MySQL: " . mysqli_connect_err...
http://www.o2fo.com/php/func-mysqli-fetch-assoc.htmlPHP mysqli_field_tell() 函數(shù) PHP MySQLi 參考手冊 實例 取得所有字段的字段信息，然后通過 mysqli_field_tell() 取得當(dāng)前字段并輸出字段名稱、表格和最大長度： <?php $con=mysqli_connect("localhost","my_user","my_password","my_db"); // Check connection if (...
http://www.o2fo.com/php/func-mysqli-field-tell.htmlPHP mysqli_fetch_all() 函數(shù) PHP MySQLi 參考手冊 實例 從結(jié)果集中取得所有行作為關(guān)聯(lián)數(shù)組： <?php $con=mysqli_connect("localhost","my_user","my_password","my_db"); // Check connection if (mysqli_connect_errno($con)) { echo "Failed to connect to MySQL: " . mysqli_connect_er...
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