For a single database: mysqldump –opt –user=root –password database1 > singledb.sql For multiple Backup of databases: mysqldump –opt –user=root –password –databases database1 database2 > multipledb.sql To import a MYSQL .sql file from one location to particular location : source /home/SSI/process_databases_backup.sql
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 […]
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 […]