in Oracle

Q

How To Delete All Rows from a Table in Oracle?

✍: FYIcenter.com

A

If you want to delete all rows from a table, you have two options:

Use the DELETE statement with no WHERE clause.
Use the TRUNCATE TABLE statement.

The TRUNCATE statement is more efficient the DELETE statement. The tutorial exercise shows you a good example of TRUNCATE statement:

SELECT COUNT(*) FROM fyi_links;
  COUNT(*)
----------
         3

TRUNCATE TABLE fyi_links;
Table truncated.

SELECT COUNT(*) FROM fyi_links;
  COUNT(*)
----------
         0

⇒ Understanding SQL SELECT Query Statements in Oracle

⇐ Delete Multiple Rows from a Table in Oracle

⇑ Understanding SQL DML Statements for Oracle

⇑⇑ Oracle Database Tutorials

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