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Dropping Unique constraint from MySQL table
How can I drop the "Unique Key Constraint" on a column of a MySQL table using phpMyAdmin?
10 Answers
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Is it a good idea to index datetime field in mysql?
...etime clause to select data. Is it a good idea to index datetime fields in mysql database?
2 Answers
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MySQL date format DD/MM/YYYY select query?
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You can use STR_TO_DATE() to convert your strings to MySQL date values and ORDER BY the result:
ORDER BY STR_TO_DATE(datestring, '%d/%m/%Y')
However, you would be wise to convert the column to the DATE data type instead of using strings.
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How to change a table name using an SQL query?
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In MySQL :-
RENAME TABLE `Stu Table` TO `Stu Table_10`
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How to get the mysql table columns data type?
I want to get the column data type of a mysql table.
11 Answers
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Best data type for storing currency values in a MySQL database
What is the best SQL data type for currency values? I'm using MySQL but would prefer a database independent type.
9 Answer...
JAVA线程池管理及分布式HADOOP调度框架搭建 - 人工智能(AI) - 清泛IT社区，...
...了的东西，比如tomcat里的servlet就是线程，没有线程我们如何提供多用户访问呢？不过很多刚开始接触线程的开发攻城师却在这个上面吃了不少苦头。怎么做一套简便的线程开发模式框架让大家从单线程开发快速转入多线程开发...
What's the difference between using INDEX vs KEY in MySQL?
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Here is a nice description about the "difference":
"MySQL requires every Key also be indexed, that's an implementation
detail specific to MySQL to improve performance."
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Get record counts for all tables in MySQL database
Is there a way to get the count of rows in all tables in a MySQL database without running a SELECT count() on each table?
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MySQL Data - Best way to implement paging?
My iPhone app connects to my PHP web service to retrieve data from a MySQL database. A request can return 500 results.
7 An...