postgresql alter table change type
5.5.6. Changing a Column's Data Type. To convert a column to a different data type, use a command like this: ALTER TABLE products ALTER ... ,Name. ALTER TABLE -- change the definition of a table ... ADD COLUMN. This form adds a new column to the table, using the same syntax as CREATE TABLE.
| 相關軟體 PostgreSQL 資訊 | |
|---|---|
 postgresql alter table change type 相關參考資料
Documentation: 8.0: ALTER TABLE - PostgreSQL
Name. ALTER TABLE -- change the definition of a table ... This form adds a new column to the table using the same syntax as CREATE TABLE. DROP COLUMN. https://www.postgresql.org Documentation: 8.1: Modifying Tables - PostgreSQL
5.5.6. Changing a Column's Data Type. To convert a column to a different data type, use a command like this: ALTER TABLE products ALTER ... https://www.postgresql.org Documentation: 8.4: ALTER TABLE - PostgreSQL
Name. ALTER TABLE -- change the definition of a table ... ADD COLUMN. This form adds a new column to the table, using the same syntax as CREATE TABLE. https://www.postgresql.org Documentation: 9.1: ALTER TABLE - PostgreSQL
Name. ALTER TABLE -- change the definition of a table ... ADD COLUMN. This form adds a new column to the table, using the same syntax as CREATE TABLE. https://www.postgresql.org Documentation: 9.3: Modifying Tables - PostgreSQL
5.5.6. Changing a Column's Data Type. To convert a column to a different data type, use a command like: ALTER TABLE products ALTER COLUMN ... https://www.postgresql.org Documentation: 9.4: Modifying Tables - PostgreSQL
5.5.6. Changing a Column's Data Type. To convert a column to a different data type, use a command like: ALTER TABLE products ALTER COLUMN ... https://www.postgresql.org How to alter a column's data type in a PostgreSQL table ...
2014年5月2日 — See documentation here: http://www.postgresql.org/docs/current/interactive/sql-altertable.html. ALTER TABLE tbl_name ALTER COLUMN ... https://stackoverflow.com How to Use PostgreSQL to Change the Column Type ...
2020年3月21日 — For example, the ALTER TABLE statement is used to add, delete or modify data in an existing table and the ALTER COLUMN command is used ... https://kb.objectrocket.com PostgreSQL ALTER TABLE: Modifying Table Structure By ...
ALTER TABLE table_name action;. PostgreSQL provides you with many actions: Add a column · Drop a column · Change the data type of a column · Rename ... https://www.postgresqltutorial PostgreSQL Change Column Type: Step-by-Step Examples
First, specify the name of the table to which the column you want to change after the ALTER TABLE keywords. Second, specify the name of the column that you want to change the data type after the ALTER... https://www.postgresqltutorial |