Oracle list columns

-- Depending on connected user grants:
SELECT * FROM USER_TAB_COLS WHERE TABLE_NAME = 'my_table';	-- User tables
SELECT * FROM ALL_TAB_COLS WHERE TABLE_NAME = 'my_table';	-- Available to user
SELECT * FROM DBA_TAB_COLS WHERE TABLE_NAME = 'my_table';	-- All schemas

-- Columns from all tables in a schema (adapt with USER_..., DBA_... or ALL_...):
SELECT c.TABLE_NAME, c.DATA_TYPE FROM ALL_TAB_COLS c
JOIN ALL_TABLES t ON t.OWNER = c.OWNER
WHERE OWNER = 'my_schema';

Oracle list columns in schema

SELECT *
FROM all_tab_cols;

Source: stackoverflow.com

Similar codes

11 votes111 views6 answers
Mysql else if
SQL
25 votes107 views5 answers
Date in mysql
SQL
1 vote98 views4 answers
Between vs in sql
SQL
9 votes108 views1 answer
Identity insert on sql server
SQL
1 vote130 views1 answer
Opensuse restart MySQL
SQL
11 votes118 views2 answers
Turn off safe mode mysql
SQL
0 vote130 views1 answer
C# select Mysql
SQL
0 vote120 views1 answer
Mysql drop vs delete
SQL
6 votes112 views2 answers
Drop foreign key
SQL
0 vote121 views1 answer
Get relation data in mysql using query to excel
SQL