Kodi MySQL imachotsa bwanji tebulo la data? MySQL database chotsani lamulo la tebulo la data / mawu / syntax

MySQLMomwe mungachotsere tebulo la data?MySQL databaseChotsani datatable command/statement/syntax

MySQL chotsani tebulo

Ndikosavuta kufufuta matebulo a data mu MySQL, koma muyenera kusamala mukachotsa matebulo, chifukwa deta yonse idzazimiririka mukamaliza kutsitsa.

galamala

Zotsatirazi ndizomwe zimapangidwira pakuchotsa tebulo la MySQL:

DROP TABLE table_name ;

Chotsani tebulo la data pawindo la lamulo mwamsanga

Mu mysql> lamulo mwamsanga zenera chotsani deta tebulo SQL statement ndi DROP TABLE :

Chitsanzo

Chitsanzo chotsatirachi chimachotsa tebulo la chenweiliang_tbl:

root@host# mysql -u root -p
Enter password:*******
mysql> use chenweiliang;
Database changed
mysql> DROP TABLE chenweiliang_tbl
Query OK, 0 rows affected (0.8 sec)
mysql>

Chotsani datatable pogwiritsa ntchito PHP script

PHP imagwiritsa ntchito mysqli_query ntchito kuchotsa matebulo a MySQL.

Ntchitoyi ili ndi magawo awiri ndipo imabweretsanso TRUE ngati ntchitoyo ikuyenda bwino, apo ayi imabwezeretsa FALSE.

h3> mawu

mysqli_query(connection,query,resultmode);

Chitsanzo

Chitsanzo chotsatirachi chimagwiritsa ntchito zolemba za PHP kuchotsa tebulo la chenweiliang_tbl:

<?
php
$dbhost = 'localhost:3306'; // mysql服务器主机地址
$dbuser = 'root'; // mysql用户名
$dbpass = '123456'; // mysql用户名密码
$conn = mysqli_connect($dbhost, $dbuser, $dbpass);
if(! $conn )
{
 die('连接失败: ' . mysqli_error($conn));
}
echo '连接成功
';
$sql = 'DROP DATABASE chenweiliang';
$retval = mysqli_query( $conn, $sql );
if(! $retval )
{
 die('删除数据库失败: ' . mysqli_error($conn));
}
echo "数据库 chenweiliang 删除成功\n";
mysqli_close($conn);
?>

Pambuyo pochita bwino, sitingathe kuwona tebulo la chenweiliang_tbl pogwiritsa ntchito lamulo ili:

mysql> show tables;
Empty set (0.01 sec)