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How can you determine how much disk space a particular MySQL table is taking up?

Is there a quick way to determine how much disk space a particular MySQL table is taking up? The table may be MyISAM or Innodb. ...
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Convert JS date time to MySQL datetime

Does anyone know how to convert JS dateTime to MySQL datetime? Also is there a way to add a specific number of minutes to JS datetime and then pass it to MySQL datetime? ...
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App Inventor 2 中文网原创内容 · App Inventor 2 中文网

...科普】App Inventor 2 添加超过10个屏幕会怎样? 【算法】如何计算1加到100的总和?(经典循环的写法) 【算法】App Inventor 2 算法之二分算法(Binary Search)实现,快速查找定位 组件用法 【微数据库】每次打开app时保持上一...
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How to debug PDO database queries?

...ments to Rails, but that the benefit is much heavier in PostgreSQL than in MySQL. He said that this is because MySQL doesn't actually create the query plan until you execute the prepared query. – Nathan Long Jul 20 '11 at 13:46 ...
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How to Get True Size of MySQL Database?

I would like to know how much space does my MySQL database use, in order to select a web host. I found the command SHOW TABLE STATUS LIKE 'table_name' so when I do the query, I get something like this: ...
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List of Big-O for PHP functions

...: isset/array_key_exists is much faster than in_array and array_search +(union) is a bit faster than array_merge (and looks nicer). But it does work differently so keep that in mind. shuffle is on the same Big-O tier as array_rand array_pop/array_push is faster than array_shift/array_unshift due t...
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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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Types in MySQL: BigInt(20) vs Int(20)

... See http://dev.mysql.com/doc/refman/8.0/en/numeric-types.html INT is a four-byte signed integer. BIGINT is an eight-byte signed integer. They each accept no more and no fewer values than can be stored in their respective number of by...
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What does `unsigned` in MySQL mean and when to use it?

What does "unsigned" mean in MySQL and when should I use it? 1 Answer 1 ...
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How to subtract 30 days from the current datetime in mysql?

How do I subtract 30 days from the current datetime in mysql? 8 Answers 8 ...