在PostgreSQL 中,可以使用 ALTER TABLE 语句来重命名表。 具体语法如下: sql ALTER TABLE old_table_name RENAME TO new_table_name; old_table_name 是当前表的名称。 new_table_name 是你想要重命名后的新表名。 示例: 假设你有一个名为 employees 的表,你想要将其重命名为 staff,可以使用以下 SQL 语句...
You can rename a table in PostgreSQL by using the ‘ALTER TABLE’ command as follows: ALTER TABLE tablename RENAME TO preferredtablename; If the table name has odd characters in it, then a syntax error might be generated which can be solved by placing the table name in double quotes: ...
A very simple way to rename table in PostgreSQL is using alter table statement. While changing table name you would be thinking about what will happen to indexes and other constraints on the table. Obviously these questions are obvious so lets explore more about it. Overview of PostgreSQL Renam...
PostgreSQLprovides aRENAME COLUMNclause that is used with the collaboration ofALTER TABLEcommand to rename a column. TheRENAME COLUMNcommand allows us to rename a single or multiple columns.PostgreSQLdoesn’t provide the“IF EXISTS”option for the“RENAME COLUMN”command. This write-up will explain ...
How to Rename a Table in PostgreSQL? The“ALTER TABLE”command can be used along with the“RENAME TO”clause to rename a specific table: ALTER TABLE tbl_name RENAME TO modified_tbl_name; In the above snippet, -ALTER TABLEis a command. ...
I have previously been successful with doing the following but in a much less complex case: alter table reconciliations rename to matches; create view reconciliations as select * from matches; What this achieves is that I could now modify the new "matches" table and for example add a column...
I've found out today that renaming tables in Postgresql also renames the VIEW definitions for Views that use the table I renamed automatically? Is there any way to turn this off? So I rename the table with: ALTER TABLE xyz RENAME TO abc; And my VIEW defition for the sake of example...
The following statement changes the name of the links table to urls: ALTER TABLE links RENAME TO urls; In this tutorial, you have learned how to use the PostgreSQL ALTER TABLE statement to change the structure of an existing table.
Rename a table If we want to change the name of an existing table the following SQL can be used - ALTER TABLE orders RENAME TO neworders; Add NOT NULL constraint If we want to add the NOT NULL constraint to city column inorderstable the following SQL can be used - ...
How to Alter/Modify a Table in PostgreSQL? Use the ADD, DROP, or RENAME keywords to perform the respective operation. For instance, the below-provided syntax is used to add, drop, or rename a column via the ALTER TABLE command: