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How To Select All Columns of All Rows from a Table
How To Select All Columns of All Rows from a Table? - Oracle DBA FAQ - Understanding SQL SELECT Query Statements
✍: FYIcenter.com
The simplest query statement is the one that selects all columns of all rows from a table: "SELECT * FROM table_name;". The (*) in the SELECT clause tells the query to return all columns. The tutorial exercise below gives you a good example:
SQL> SELECT * FROM departments; DEPARTMENT_ID DEPARTMENT_NAME MANAGER_ID LOCATION_ID ------------- -------------------- ---------- ----------- 10 Administration 200 1700 20 Marketing 201 1800 30 Purchasing 114 1700 40 Human Resources 203 2400 50 Shipping 121 1500 60 IT 103 1400 70 Public Relations 204 2700 80 Sales 145 2500 90 Executive 100 1700 ......
2007-04-21, 6423👍, 0💬
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