我想知道:如何在Oracle 10g 中重命名表列?
问问题
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5 回答
120
SQL> create table a(id number);
Table created.
SQL> alter table a rename column id to new_id;
Table altered.
SQL> desc a
Name Null? Type
----------------------------------------- -------- -----------
NEW_ID NUMBER
于 2012-12-14T12:09:12.263 回答
36
查询的语法如下:
Alter table <table name> rename column <column name> to <new column name>;
例子:
Alter table employee rename column eName to empName;
要将不带空格的列名重命名为带空格的列名:
Alter table employee rename column empName to "Emp Name";
要将带空格的列重命名为不带空格的列名:
Alter table employee rename column "emp name" to empName;
于 2013-08-29T08:06:51.333 回答
20
alter table table_name rename column oldColumn to newColumn;
于 2012-12-14T12:10:44.143 回答
2
假设 supply_master 是一个表,并且
SQL>desc supply_master;
SQL>Name
SUPPLIER_NO
SUPPLIER_NAME
ADDRESS1
ADDRESS2
CITY
STATE
PINCODE
SQL>alter table Supply_master rename column ADDRESS1 TO ADDR;
Table altered
SQL> desc Supply_master;
Name
-----------------------
SUPPLIER_NO
SUPPLIER_NAME
ADDR ///////////this has been renamed........//////////////
ADDRESS2
CITY
STATE
PINCODE
于 2013-08-29T07:43:16.097 回答
0
alter table table_name
rename column old_column_name/field_name to new_column_name/field_name;
例子:alter table student rename column name to username;
于 2015-07-30T12:35:03.177 回答