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Deleting rows with MySQL LEFT JOIN

...R `status` = 'storno'); I am not sure if that kind of sub query works in MySQL, but try it. I am assuming you have an ID column in your deadline table. share | improve this answer | ...
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What is maximum query size for mysql?

What is maximum query size for mysql? Some times the server stops working when I fire a too long query. 2 Answers ...
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提升大数据分析思想,拥抱大数据未来 - 资讯 - 清泛网 - 专注C/C++及内核技术

...务和世界范围内产生的数据。而所谓公司的麻烦是指,该如何正确利用这些数据——判断出哪些才是相关的、有用的,哪些是需要过滤掉的。最重要的是,哪些才是有助于推动业务发展的。” 因此,思想转变的第一步应是观察...
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FIND_IN_SET() vs IN()

...ould even use an index on companyID. Unfortunately, this does not work in MySQL since the latter does not support arrays. You may find this article interesting (see #2): 10 things in MySQL (that won’t work as expected) Update: If there is some reasonable limit on the number of values in the...
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How to delete a certain row from mysql table with same column values?

I have a problem with my queries in MySQL. My table has 4 columns and it looks something like this: 6 Answers ...
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Select last N rows from MySQL

I want to select last 50 rows from MySQL database within column named id which is primary key . Goal is that the rows should be sorted by id in ASC order, that’s why this query isn’t working ...
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PDO mysql: How to know if insert was successful

I'm using PDO to insert a record (mysql and php) 7 Answers 7 ...
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Update date + one year in mysql

When I want setting numerical value +1 in mysql table, I use e.g.: 3 Answers 3 ...
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MySQL - Rows to Columns

...ts, but I only found solutions for SQL Server/Access. I need a solution in MySQL (5.X). 12 Answers ...
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Detect if value is number in MySQL

Is there a way to detect if a value is a number in a MySQL query? Such as 15 Answers 1...