I have 3 table: A,B and C. Relations are: A->B 1:1 A->C 1:n Table A is the main table: CREATE TABLE IF NOT EXISTS `A` (
This is ms create table script: It is a N:M relation between the SchoolclassCode and the Pupil table CREATE TABLE Schoolclasscode (
If I have a list of of email accounts in a .txt file, is there a way I can perform a mysql delete statement for each instance of the rows that contain the email account against a table?
I\'ve table that contains some buy/sell data, with around 8M records in it: CREATE TABLE [dbo].[Transactions](
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I need a solution to remove all records but save last 10 by ID_URL not BY UNIQUE ID (primary Key).. MY Database Structure and Records View..
This question seems to be answered multiple times. However none match the criteria I 开发者_StackOverflowneed.
This mysql query is running for around 10 hours and has not finished. Something is horribly wrong. Two tables (text and spam) are here. Spam stores the ids of spam entrys in text that I want to delet
I have the following MySQL query: DELETE FROM catalogue WHERE catalogue_id IN ( SELECT catalogue_id FROM catalogue
I have a database with a bunch of shops and once a month someone sends me a spreadsheet with the cancellations for that month so I need to delete 30-40 shops each mont开发者_Go百科h.
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