RENAME TABLE命令与如下命令的作用相同: ALTERTABLEtable_name RENAMEtonew_table_name 语法格式 RENAMETABLE{[schema.]table_nameTOnew_table_name}[, ...]; 参数说明 schema 模式名称。 table_name 需要修改的表名称。 new_table_name 修改后新的表名称。
Alter table 表名 add ( s_age number(3) ); 1. 删除列: Alter table 表名 drop( S_sex ); 1. 修改列: Alter table 表名 modify( s_id number(4) default null not null, s_name varchar2(10) default null not null ); 1. 2. 3. 4. 修改列名: Alter table 表名 rename column 旧列名...
SQL Rename Table实例讲解 SQLRENAME TABLE用于更改表的名称。 有时,表的名称没有意义或因为一些其它原因需要更改。 重命名数据库中表的语法。 ALTERTABLEtable_name RENAMETOnew_table_name; 可以编写以下命令来重命名表(可选)。 RENAME old_table _nameTonew_table_name; 假设有一个名为Students的表,现在由于某...
1. RENAME TABLE old_table TO new_table; 1. 该语句等价于下面的 ALTER TABLE 语句: 1. ALTER TABLE old_table RENAME new_table; 1. 与ALTER TABLE 不同,RENAME TABLE 可以在一条语句中重命名多个表: 1. RENAME TABLE old_table1 TO new_table1, 2. old_table2 TO new_table2, 3. old_table3...
This statement renames an existing table to a new name. Synopsis DiagramSource RenameTableStmt RENAMETABLETableToTable, TableToTable TableNameTOTableName Examples mysql>CREATETABLEt1 (aint); Query OK,0rowsaffected (0.12sec) mysql>SHOWTABLES;+---+|Tables_in_test|+---+|t1|+---+1rowinset(0...
ALTER TABLE old_name RENAME TO new_name; MySQL ALTER TABLE old_name RENAME TO new_name; PostgreSQL ALTER TABLE old_name RENAME TO new_name; There is no specific SQL rename table command, but you can use either sp_rename or the ALTER TABLE command. Let’s take a look at them in more...
Always use the latest version ofSQL Server Management Studio (SSMS). Rename a table InObject Explorer, right-click the table you want to rename and chooseDesignfrom the shortcut menu. From theViewmenu, chooseProperties. In the field for theNamevalue in thePropertieswindow, type a new name ...
lock_status=pending, lock_mode=mdl_share_read, lock_type=table metadata lock, table_name = t3, sql = rename table t1 to tmp, t2 to t1, tmp to t2; -- session 2 lock_status=pending, lock_mode=mdl_exclusive, lock_type=table metadata lock, table_name = v1, sql = rename table t3...
目前,不支持对 Azure Synapse Analytics 工作区中的专用 SQL 池进行重命名。 Azure Synapse Analytics 中的无服务器 SQL 池不支持此语法。语法syntaxsql 复制 -- Syntax for Azure Synapse Analytics -- Rename a table. RENAME OBJECT [::] [ [ database_name . [schema_name ] ] . ] | [schema_name...
After the name of a field has been changed through the Search bar, you can view the original field name and the changed field name from the UI. Syntax |rename <field> as <new_field> Parameters The following table lists the parameters used with this command, along with their descriptions....