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MySQL INSERT INTO table VALUES.. vs INSERT INTO table SET

...ll, both syntaxes are equivalent. The first is SQL standard, the second is MySQL's extension. So they should be exactly equivalent performance wise. http://dev.mysql.com/doc/refman/5.6/en/insert.html says: INSERT inserts new rows into an existing table. The INSERT ... VALUES and INSERT ... SET...
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那些微信公众大号是如何赚钱的? - 资讯 - 清泛网 - 专注C/C++及内核技术

那些微信公众大号是如何赚钱的?如今,微信公众号不仅是传递好文的平台,承载着万千运营者的兴趣和梦想,而且当粉丝量和文章阅读量高涨之后,随之而来的还有丰厚的经济效益。“你开公众号了吗?”不知从何时起,这个...
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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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Best lightweight web server (only static content) for Windows [closed]

...r the Windows OS. It includes the latest versions of Apache2, Perl5, PHP5, MySQL5, phpMyAdmin and more. No installation required. No registry dust. Just unpack and fire up. – Piotr Apr 14 '16 at 13:35 ...
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How do I check to see if a value is an integer in MySQL?

I see that within MySQL there are Cast() and Convert() functions to create integers from values, but is there any way to check to see if a value is an integer? Something like is_int() in PHP is what I am looking for. ...
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Importance of varchar length in MySQL table

I have a MySQL table where rows are inserted dynamically. Because I can not be certain of the length of strings and do not want them cut off, I make them varchar(200) which is generally much bigger than I need. Is there a big performance hit in giving a varchar field much more length than necessar...
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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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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 ...
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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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Maximum length of a table name in MySQL

What is the maximum length of a table name in MySQL? 4 Answers 4 ...