How To Select Some Columns from a Table


How To Select Some Columns from a Table? - Oracle DBA FAQ - Understanding SQL SELECT Query Statements



If you want explicitly tell the query to some columns, you can specify the column names in SELECT clause. The following select statement returns only two columns from the table "departments":

SQL> SELECT location_id, department_name FROM DEPARTMENTS;
----------- ------------------------------
       1700 Administration
       1800 Marketing
       1700 Purchasing
       2400 Human Resources
       1500 Shipping
       1400 IT
       2700 Public Relations
       2500 Sales
       1700 Executive

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