1. Using MyISAM rather than InnoDB MySQL has a number of database engines, but you’re most likely to encounter MyISAM and InnoDB. MyISAM is used by default. However, unless you’re creating a very simple or experimental database, it’s almost certainly the wrong choice! MyISAM doesn’t support foreign key constraints or transactions, which are essential for […]
Check below on How to Add a Column to Mysql Table with Auto Increment and Primary Key You can achieve it by doing Alter Command: Add Column to Mysql To Modify Column and add Auto Increment with Primary Key Query: ALTER TABLE test MODIFY COLUMN ID INT(10) PRIMARY KEY auto_increment; ALTER TABLE users ADD id […]
If you want to loop throuh the mysql result set twice then use below way. $result = mysql_query(“SELECT * FROM my_table”);while($row = mysql_fetch_assoc($result)) {// inside the loop} The problem is, if you want to loop through the same result set again, you will get an error because the internal pointer is currently at the end […]