Oracle SQL - How To Update Values in a Table

How To Update Values in a Table

Q

How To Update Values in a Table? - Oracle DBA FAQ - Understanding SQL DML Statements

✍: FYIcenter.com

A

If you want to update some values in one row or multiple rows in a table, you can use the UPDATE statement. The script below shows a good example:

UPDATE fyi_links SET counts = 999, notes = 'Good site.' 
  WHERE id = 101;
1 row updated.

SELECT * FROM fyi_links WHERE id = 101;
  ID URL                      NOTES      COUNTS CREATED
---- ------------------------ ---------- ------ ---------
 101 http://dev.fyicenter.com Good site.    999 07-MAY-06

2007-04-21, 4308👍, 0💬

How To Update Values on Multiple Rows
How To Update Values on Multiple Rows? - Oracle DBA FAQ - Understanding SQL DML Statements If the WHERE clause in an UPDATE matches multiple rows, the SET clause will be applied to all matched rows. This rule allows you to update values on multiple rows in a single UPDATE statement. Here is a good e... 2007-04-21, 4891👍, 0💬

How To Use Existing Values in UPDATE Statements
How To Use Existing Values in UPDATE Statements? - Oracle DBA FAQ - Understanding SQL DML Statements If a row matches the WHERE clause in a UPDATE statement, existing values in this row can be used in expressions to provide new values in the SET clause. Existing values are represented by columns in ... 2007-04-21, 4357👍, 0💬

How To Update Values in a Table
How To Update Values in a Table? - Oracle DBA FAQ - Understanding SQL DML Statements If you want to update some values in one row or multiple rows in a table, you can use the UPDATE statement. The script below shows a good example: UPDATE fyi_links SET counts = 999, notes = 'Good site.' WHERE id = 1... 2007-04-21, 4309👍, 0💬

How To Omit Columns with Default Values in INSERT Statement
How To Omit Columns with Default Values in INSERT Statement? - Oracle DBA FAQ - Understanding SQL DML Statements If you don't want to specify values for columns that have default values, or you want to specify values to columns in an order different than how they are defined, you can provide a colum... 2007-04-21, 4258👍, 0💬

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