Αποτελέσματα Αναζήτησης
29 Σεπ 2012 · Rename table Syntax The syntax to rename a table in MySQL is: ALTER TABLE table_name RENAME TO new_table_name; Example Let's look at an example that shows how to rename a table in MySQL using the ALTER TABLE statement. or example: ALTER TABLE contacts RENAME TO people;
30 Αυγ 2020 · To rename a table in Oracle SQL, use the ALTER TABLE statement, in the same way as MySQL and PostgreSQL: ALTER TABLE old_name RENAME TO new_name; You simply add in your current table name and the new table name and run the command.
RENAME TABLE renames one or more tables. You must have ALTER and DROP privileges for the original table, and CREATE and INSERT privileges for the new table. For example, to rename a table named old_table to new_table, use this statement: RENAME TABLE old_table TO new_table;
To rename a column in a table, use the following syntax: ALTER TABLE table_name. RENAME COLUMN old_name to new_name; To rename a column in a table in SQL Server, use the following syntax: SQL Server: EXEC sp_rename 'table_name.old_name', 'new_name', 'COLUMN';
10 Ιουν 2023 · An example of this command is. ALTER TABLE student RENAME TO person; Another example could be: ALTER TABLE subject RENAME TO old_subject; This works for Oracle, MySQL, and PostgreSQL. In SQL Server, to rename a table you need to use the sp_rename function. Summary of Differences Between Each Vendor. This table summarises the differences with ...
You can rename a table using the ALTER TABLE statement as follows: ALTER TABLE old_table_name RENAME TO new_table_name; Code language: SQL (Structured Query Language) ( sql ) The ALTER TABLE statement can rename a temporary table while the RENAME TABLE statement cannot.
To rename the table from t1 to t2: ALTER TABLE t1 RENAME t2; To change column a from INTEGER to TINYINT NOT NULL (leaving the name the same), and to change column b from CHAR(10) to CHAR(20) as well as renaming it from b to c: ALTER TABLE t2 MODIFY a TINYINT NOT NULL, CHANGE b c CHAR(20);
