2.RENAME TABLE Syntax 修改表的名称 RENAME TABLE old_table TO new_table; That statement is equivalent to the following ALTER TABLE statement等同: ALTER TABLE old_table RENAME new_table; 1 2 3 4 Data Manipulation Statements(数据操作语法) 1.INSERT Syntax 从现有表筛选数据插入到另一个表中 语法:...
4. RENAME TABLE does not work with temporary tables If you need to rename aTEMPORARY tablein MySQL, using RENAME TABLE won’t work—it’s not supported for temporary tables. Instead, useALTER TABLE: ALTER TABLE old_name RENAME new_name; ...
重命名新表为旧表的名称 ALTER TABLE new_table RENAME TO my_table; 5. 测试修正后的ALTER语句是否执行成功 在执行上述步骤后,您应该检查新表 my_table 的结构,确保列的数据类型已正确更改,并且数据已成功迁移。 请根据您的具体需求调整上述 SQL 语句。如果您需要执行其他类型的 ALTER TABLE 操作,如重命名表...
ALTER TABLE PARTITION modifies table partitions, including adding, deleting, splitting, merging, clearing, swapping, and renaming partitions, moving partition tablespaces
CREATE/ALTER/RENAME/DROP TABLE Partially supported Temporary session tables cannot be restored. DDL CREATE/ALTER/DROP TABLE PARTITION/SUBPARTITION Supported - DDL CREATE/ALTER/DROP INDEX Partially supported The ALTER INDEX REBUILD option is equivalent to REINDEX and is not supported currently. DD...
As mentioned, you can also use the SQLite ALTER TABLE syntax to change the name of an existing database table. Here's an example to demonstrate this alter table syntax: sqlite> alter table order_items rename to line_items; More complicated ALTER TABLE examples As the SQLite documentation me...
select * from testobstable where external_data = '22'; select * from testobstable where external_data = '22' and dt='2021-07-27'; 1.9.2 Renaming a Partition (Only OBS Tables Supported) Function This statement is used to rename partitions. Issue 01 (2022-08-16) Copyright © Huawei...
FROM "table_name" WHERE "condition";And/Or SELECT "column_name" FROM "table_name" WHERE "simple condition" {[AND|OR] "simple condition"}+;In SELECT "column_name" FROM "table_name" WHERE "column_name" IN ('value1', 'value2', ...);Between...
Msg 102, Level 15, State 1, Line 7 Incorrect syntax near 'RENAME'. This above error keeps occurring as I try to rename a column in my table syntax ALTER TABLE Project RENAME COLUMN ProjectNO to Project_NO;
Data definition language (DDL) is used to define or modify an object in a database, such as a table, index, or view.GaussDB(DWS) does not support DDL if its CN is unavail