In this syntax, `DROP TABLE` specifies the operation, and `table_name` is the name of the table you want to remove. The optional `IF EXISTS` clause prevents errors if the table does not exist. Examples 1. Basic Drop DROP TABLE employees; Powered By This example removes the `employees...
-rw-rw--- 1 mysql mysql 100G Oct 28 13:26 example_table.ibd.hdlk 仅仅剩下example_table.ibd.hdlk,且innode的引用计数变为了1。 也即刚才的DROP TABLE操作实施删除了物理文件的一个指针example_table.ibd ,因而很快。 剩下的任务就是删除真正的物理文件了,由于此时innode的引用计数已经变为了1。直接删...
-rw-rw--- 1 mysql mysql 100G Oct 28 13:26 example_table.ibd.hdlk 1. 2. 只剩下example_table.ibd.hdlk,且innode的引用计数变为了1。也即刚才的DROP TABLE操作实施删除了物理文件的一个指针example_table.ibd ,因而非常快。 剩下的任务就是删除真正的物理文件了,因为此时innode的引用计数已经变为了1...
DROP [TEMPORARY] TABLE [IF EXISTS] tbl_name [, tbl_name] ... [RESTRICT | CASCADE] DROP TABLE removes one or more tables. You must have the DROP privilege for each table. Be careful with this statement! For each table, it removes the table definition and all table data. If the tab...
MySQL DROP TABLE语句删除表 Summary: in this tutorial, we will show you how to remove existing tables using theMySQL DROP TABLEstatement. MySQL DROP TABLE statement syntax In order to remove existing tables, you use the MySQLDROP TABLEstatement. The syntax of theDROP TABLEis as follows:...
The DROP TABLE statement is used to drop an existing table in a database.SyntaxDROP TABLE table_name; Note: Be careful before dropping a table. Deleting a table will result in loss of complete information stored in the table!MySQL DROP TABLE Example...
You can use the following syntax to drop ordinary tables and temporary tables: Use DROP TEMPORARY TABLE to drop local temporary tables. Use DROP GLOBAL TEMPORARY TABLE to drop global temporary tables. Use DROP TABLE to drop ordinary tables or temporary tables. ...
Created, non-temporary tables can be shown using theSHOW TABLESsyntax. We can restrict the tables shown using theLIKEclause. In our case, we show all tables that begin with T. mysql> DROP TABLE Testing; Query OK, 0 rows affected (0.00 sec) ...
To remove existing tables, you use the MySQLDROP TABLEstatement. The syntax of theDROP TABLEis as follows: 1 2 DROP[TEMPORARY]TABLE[IF EXISTS]table_name[,table_name]... [RESTRICT|CASCADE] TheDROP TABLEstatement removes a table and its data permanently from the database. In MySQL, you can...
Syntax for MySQL: MySql则是这样: ALTER TABLE table_name DROP INDEX index_name --- Delete a Table or Database 删除一张表或是一数据库 To delete a table (the table structure, attributes, and indexes will also be deleted): 删除一张表(表中的数据结构...