sql all columns
-- MySQL
SELECT *
FROM INFORMATION_SCHEMA.COLUMNS;
-- SQL Server (possible solution)
SELECT *
FROM SYS.COLUMNS;
-- Oracle
SELECT *
FROM ALL_TAB_COLS; -- (If you only want user-defined columns)
-- ALL_TAB_COLS : only user-defined columns
-- ALL_TAB_COLUMNS : both user-defined AND system columnssql show columns in table
DESCRIBE table1;
-- result:
+----------------------+---------------------------+------+-----+-------------------+
| Field | Type | Null | Key | Default | Extra |
+----------------------+---------------------------+------+-----+-------------------+
| film_id | smallint(5) unsigned | NO | | 0 | |
| title | varchar(128) | NO | | NULL | |
| description | text | YES | | NULL | |
| release_year | year(4) | YES | | NULL | |
| language_id | tinyint(3) unsigned | NO | | NULL | |
| original_language_id | tinyint(3) unsigned | YES | | NULL | |
| rental_duration | tinyint(3) unsigned | NO | | 3 | |
| rental_rate | decimal(4,2) | NO | | 4.99 |Copyright © 2021 Codeinu
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