php - How can connect to two databases in same time and query data in mysql, I have same host -


i have 2 database, & b how can copy data b using mysql, did there wrong, there 2 same tables called members in & b, , want copy username a.members b.members. there error ! can using mysql, can me solve problem because must connect databases & b in same time query data

    mysql_connect("$host", "$user", "$pass"); mysql_select_db("a");     mysql_connect("$host", "$user2", "$pass2"); mysql_select_db("b");     //host = host b same host      $mysql="select username a.members insert b.members";      $result= mysql_query($mysql);

if connecting same host, need make connection once. , setting default database using mysql_select_db("a"); should not necessary because specifying database use in statement.

the sql insert should be:

insert b.members (username) select username a.members

check out the documentation insert...select.


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