Αποτελέσματα Αναζήτησης
To rename a table, you use the following Oracle RENAME table statement as follows: RENAME table_name TO new_name; Code language: SQL (Structured Query Language) (sql) In the RENAME table statement: First, specify the name of the existing table which you want to rename. Second, specify the new table name. The new name must not be the same as ...
- PRIMARY KEY
This example did not use the CONSTRAINT clause to explicitly...
- PRIMARY KEY
7 Μαΐ 2009 · To rename a table you can use: RENAME mytable TO othertable; or. ALTER TABLE mytable RENAME TO othertable; or, if owned by another schema: ALTER TABLE owner.mytable RENAME TO othertable; Interestingly, ALTER VIEW does not support renaming a view. You can, however: RENAME myview TO otherview;
To change the data type of a column in a table, use the following syntax: SQL Server / MS Access: ALTER TABLE table_name. ALTER COLUMN column_name datatype; My SQL / Oracle (prior version 10G): ALTER TABLE table_name. MODIFY COLUMN column_name datatype; Oracle 10G and later: ALTER TABLE table_name.
8 Ιουλ 2024 · Sometimes we may want to rename our table to give it a more relevant name. For this purpose, we can use ALTER TABLE to rename the name of the table. SQL ALTER TABLE is a command used to modify the structure of an existing table in a database. Here we will discuss Alter Command in SQL in detail.
30 Αυγ 2021 · The basic statement syntax to rename a table in an Oracle database is as follows: RENAME TABLE table_name TO new_table_name; To look up the exact name of the table you need to rename, you can retrieve tables in Oracle by querying the data dictionary views.
Use the RENAME statement to rename a table, view, sequence, or private synonym. Oracle Database automatically transfers integrity constraints, indexes, and grants on the old object to the new object.
This Oracle tutorial explains how to use the Oracle ALTER TABLE statement to add a column, modify a column, drop a column, rename a column or rename a table (with syntax, examples and practice exercises).
