Alter Table Oracle Rename Column
In oracle9ir2 oracle provides alter table syntax to rename data columns in place in this form.
Alter table oracle rename column. Sql desc sales name null. To rename a column in oracle we have to use rename column statement. Alter table table name rename column old name to new name. Alter table table name drop column.
The rename column statement allows you to rename an existing column in an existing table in any schema except the schema sys. In oracle 9i and above we have a simple rename column command that makes it easy to rename any table column. Alter table add column oracle. To modify a column of a table you need to specify the column name table name and action that you want to perform.
Alter table customers rename column customer name to cname. Let s look at an example that shows how to rename a column in an oracle table using the alter table statement. The statement is straightforward. For sql server using the stored procedure called sp rename.
Alter table rename column in oracle table query oracle rename column table syntax. Type store key varchar2 4 book key varchar2 6 order number varchar2 20 order date date sql alter table sales rename column order date to date of order. Alter table table name rename column old column name to new column name. Use the rename column clause of the alter table statement to rename a column.
Here are some examples of oracle alter table syntax to rename data columns. Alter table table name rename column old name to new name. Alter table table name modify column name action. Alter table rename column in oracle database august 5 2020 by techgoeasy leave a comment oracle allows you rename existing columns in a table.
To rename a column in an existing table the oracle alter table syntax is. Please check the below article to learn about these in details. Rename column in table syntax. Columns can be also be given new name with the use of alter table.
To rename a column you must either be the database owner or the table owner. Alter table table name rename column old column name to new column name. See alter table statement for more information. Change the name of column name to first name in table student.
Oracle allows you to drop the column in the table using the command. Alter table table name rename column old name to new name. Use the rename column clause of the alter table statement to rename a column i e alter table rename column in oracle. Alter table table name change column old name to new name.
Alter table cust table rename column cust sex to cust gender. Oracle allows you to perform many actions but the following are the main ones. For oracle and postgresql. The rename column statement allows us to rename an existing column in an existing table in any schema except the schema sys.
To rename a column in an existing table the sql alter table syntax is. Sp rename table name old column new name column. You have to use rename column statement along with alter table statement. Oracle allows you rename existing columns in a table.