大约有 7,000 项符合查询结果(耗时:0.0351秒) [XML]

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How to get current date & time in MySQL?

...ment: Core i3 Windows Laptop with 4GB RAM, and I did the above example on MySQL Workbench 6.2 (Version 6.2.5.0 Build 397 64 Bits) share | improve this answer | follow ...
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How to change collation of database, table, column?

...ame != 'utf8_general_ci' AND table_schema not in ('information_schema','mysql', 'performance_schema','sys'); – William Entriken Dec 12 '19 at 19:56 ...
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Which is faster: multiple single INSERTs or one multiple-row INSERT?

I am trying to optimize one part of my code that inserts data into MySQL. Should I chain INSERTs to make one huge multiple-row INSERT or are multiple separate INSERTs faster? ...
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View's SELECT contains a subquery in the FROM clause

... As per documentation: MySQL Docs The SELECT statement cannot contain a subquery in the FROM clause. Your workaround would be to create a view for each of your subqueries. Then access those views from within your view view_credit_status ...
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How can I see the specific value of the sql_mode?

There are some sql_mode values in MySQL: 2 Answers 2 ...
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How Scalable is SQLite? [closed]

I recently read this Question about SQLite vs MySQL and the answer pointed out that SQLite doesn't scale well and the official website sort-of confirms this , however. ...
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Foreign key constraints: When to use ON UPDATE and ON DELETE

I'm designing my database schema using MySQL Workbench, which is pretty cool because you can do diagrams and it converts them :P ...
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SQL standard to escape column names?

Is there a SQL standard to escape a column name? If not what works for MySQL and SQLite? does it also work for SQL Server? ...
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MongoDB vs. Cassandra [closed]

...sandra: they are not using Cassandra for persisting tweets, they use still MySQL here (engineering.twitter.com/2010/07/cassandra-at-twitter-today.html). Ok, but I can imagine that they still store lots of data for other purposes in Cassandra. – H6. Jan 13 '12 a...
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C++特化模板函数的符号多重定义错误问题 - C/C++ - 清泛网 - 专注C/C++及内核技术

....h 中,结果出现特化模板函数的符号多重定义错误。我要如何组织头文件才能避免多重符号定义错误?我用 /FORCE:MULTIPLE,但我想用一个更好的解决方法。 Lee Kyung Jun 实际上,确实用更好的解决方法。稍后我会解释,但首先让我...