I saw the solution to create an alternate temporary MySQL table with unique rows, but I didn\'t like that idea, as my tables are very large and would be a hassle to move them (and would create huge pr
I have a table with the following fields: id (Unique) url (Unique) title company site_id Now, I needto remove rows having same title, company and site_id. One way to do it will be using the followi
Most questions I\'ve seen on similar subjects relate to how to speed up inserts into a table. I want to know what can I do to speed up deletes?
Could someone give me a quick overview of the pros and cons of using the following 开发者_JAVA百科two statements:
I have a table containing the scores of my game CREATE TABLE Scores ( PlayerName varchar(50), LevelId integer,
Okay, this is (probably) a very simple question, but I am afraid I know almost no MySQL, so please put up with me. I\'m just trying to delete every row from one table which is not constrained by a For
I\'m looking to delete information in two different tables in 1 query, based on an ID. I\'ve tried several solutions on here to accomplish this task but still have not accomplished what I\'m trying t
I have a lookup table (##lookup). I know it\'s bad design because I\'m duplicating data, but it speeds up my queries tremendously. I have a query that populates this table
I am trying to delete expired entries in a MySQL database, on creation or update a field called lastBeat is updated with CURRENT_TIME and I use the following query to check/delete rows older than 20 s
Here\'s what the statement looks like: DELETE FROM videoswatched vw2 WHERE vw2.userID IN ( SELECT vw.userID
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