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How To Omit Columns with Default Values in INSERT Statement
How To Omit Columns with Default Values in INSERT Statement? - MySQL FAQs - Understanding SQL INSERT, UPDATE and DELETE Statements
✍: FYIcenter.com
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 column list in the INSERT statement. If a column is omitted in the column, MySQL applies 3 rules:
The following tutorial exercise gives you some good examples:
mysql> INSERT INTO fyi_links (url, id) VALUES ('sqa.fyicenter.com', 103); Query OK, 1 row affected, 1 warning (0.01 sec) mysql> INSERT INTO fyi_links (id) VALUES (110); Query OK, 1 row affected, 1 warning (0.06 sec) mysql> INSERT INTO fyi_links (url) VALUES ('www.fyicenter.com'); Query OK, 1 row affected, 1 warning (0.00 sec) mysql> SELECT id, url, notes, counts, DATE(created) FROM fyi_links; +-----+-------------------+-------+--------+---------------+ | id | url | notes | counts | DATE(created) | +-----+-------------------+-------+--------+---------------+ | 101 | dev.fyicenter.com | NULL | 0 | 2006-04-30 | | 102 | dba.fyicenter.com | NULL | 0 | 2006-07-01 | | 103 | sqa.fyicenter.com | NULL | NULL | 2006-07-01 | | 110 | | NULL | NULL | 2006-07-01 | | 0 | www.fyicenter.com | NULL | NULL | 2006-07-01 | +-----+-------------------+-------+--------+---------------+ 5 rows in set (0.00 sec)
2007-05-11, 5410👍, 0💬
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