This: SELECT * FROM tbl_playlists, tbl_playlistsongs WHERE tbl_playlists.playlist_id = tbl_playlistsongs.playlist_id
I am working on adding a edit and delete feature to my basic blog app.I am struggling with having the my edit.php code and delete.php code process correctly.
Can I say that one of many ways to optimize mysql is to reduce the number of queries? If that so, can I do this:
Suppose I\'m halfway through running an import, and instead of running SELECT COUNT(*) FROM table_being_imported
I have a mysql table with se开发者_StackOverflowveral values that I output to a web page. How can I add an option to delete the value from the webpage? Like, have a button that deletes its respective
I\'m trying to delete the last added entry of a table: DELETE FROM notes ORDER BY created_at DESC LIMIT 1
I have a table like this: CREATE TABLEvhist (id int(10) unsigned NOT NULL auto_increment, userId varchar(45) NOT NULL,
The title of this question is a very rough version of the query that I\'d like to execute. I\'ve deleted project tasks without a user id,and I now want to delete tasks related to the projects th开发者
I want to delete some data use: $dbc=mysql_connect(_SRV,_ACCID,_PWD) or die(_ERROR15.\": \".mysql_error());
I want to do somet开发者_如何学JAVAhing like this: DELETE FROM table WHERE id IN (SELECT ....) How can I do that?If you have to select the id:
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