You can find duplicate rows in the mysql table, just use below select query, to find duplicate rows in Oracle, Sql, Mysql, DB2. SELECT columnName, COUNT(*) as countFROM selectedTableGROUP BY columnNameHAVING COUNT(*) > 1; You came from below query:how to find duplicate rows in sql server 2008how to find duplicate rows in sql and deletehow […]
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 […]
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 […]