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How to Get MySql Query Result as an Email
If you are working on a big mysql query and want to get the mysql query as email when it finishes use the below trick. Go to mysql command:Set pager directive: mysql> pager mail -s “subject” emailme@domain.comPAGER set to ‘mail’ -s “subject” emailme@domain.com The trick uses pager directive to redirect the query output result to […]
How to Get Size of a Database in Mysql
To Get Data Base Size in MB and Free Space in MBSELECT table_schema “dbName”, sum( data_length + index_length ) / 1024 / 1024 “Data Base Size in MB”, sum( data_free )/ 1024 / 1024 “Free Space in MB”FROM information_schema.TABLESGROUP BY table_schema ; To Get Size in GB: SELECT sum(round(((data_length + index_length) / 1024 […]
Best way to loop through a PHP mysql Resultset
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 […]