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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:
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大数据时代的数据化运营 - 资讯 - 清泛网 - 专注C/C++及内核技术
...响。今天我们采访到了中清龙图副总裁李翀为广大cp讲解如何在大数据时代进行数据运营。
什么是大数据？
大数据第一个特点是数据量特别大，举个例子，比如一个人站在这里，仅知道他的身高体重等等，是没有什么实际意义...
PDO mysql: How to know if insert was successful
I'm using PDO to insert a record (mysql and php)
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致PHP路上的“年轻人” - 杂谈 - 清泛网 - 专注C/C++及内核技术
...落的“过来人”，还是想写点东西给“年轻人”。
关于如何成长？
我直白的答案还是建议通过实践，通过项目来成长。虽然提倡多参加项目，但项目不能是乱七八糟的项目什么都去尝试做，对于刚工作的同学，希望做这两类...
Update date + one year in mysql
When I want setting numerical value +1 in mysql table, I use e.g.:
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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).
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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
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How to remove leading and trailing whitespace in a MySQL field?
...really curious as to why this answer's got so many upvotes. Are you using mysql? What version?
– billynoah
May 16 '16 at 4:30
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What resources exist for Database performance-tuning? [closed]
...er to a not-the-same-inquiry is probably a good start.
Hidden Features of MySQL
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mysql实现split分割字符串（length, SUBSTRING_INDEX, substring） - 爬虫/...
由于MySql没有直接的split函数，只提供了length, SUBSTRING_INDEX, substring三个函数，这里介绍如何用这三个函数实现split功能。
# SUBSTRING_INDEX(str, delim, count)：返回字符串 str 中在第 count 个出现的分隔符 delim 之前的子串。如果 count 是...