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How to recover MySQL database from .myd, .myi, .frm files
How to restore one of my MySQL databases from .myd , .myi , .frm files?
11 Answers
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CHECK constraint in MySQL is not working
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MySQL 8.0.16 is the first version that supports CHECK constraints.
Read https://dev.mysql.com/doc/refman/8.0/en/create-table-check-constraints.html
If you use MySQL 8.0.15 or earlier, the MySQL Reference Manual says:
T...
Serializing object that contains cyclic object value
...which is objects with the special $ref property. Let's see how that works.
root = makeToolshed();
[root.bolt === root.nut.needs, root.nut.needs.needs === root.nut]; // retutrns [true,true]
The dollar sign stands for the root. .bolt having $ref tells us that .bolt is an "already seen" object, and th...
How do you connect to multiple MySQL databases on a single webpage?
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Warning : mysql_xx functions are deprecated since php 5.5 and removed since php 7.0 (see http://php.net/manual/intro.mysql.php), use mysqli_xx functions or see the answer below from @Troelskn
You can make multiple calls to mysql_con...
MySQL Workbench Dark Theme
... question. My first question is all about changing the color appearance of MySQL Workbench from the default of white background to its negative value of black.
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iPhone App 开发第一步：从零到真机调试HelloWorld - 更多技术 - 清泛网 - ...
...iTunes的后果是，插上iPhone无反应，不识别。
4、网上学习如何在XCode中写一个HelloWorld，并在iOS 5.0的模拟器中运行成功后，开始真机调试过程。
首先，iPhone需要越狱，非越狱机器此处未研究如何在无IDP账号的情况下，真机调...
What is the MySQL VARCHAR max size?
I would like to know what the max size is for a MySQL VARCHAR type.
7 Answers
7
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技术人员如何创业《一》—— 产品及想法 - 资讯 - 清泛网 - 专注C/C++及内核技术
技术人员如何创业《一》—— 产品及想法不得不说这是个浮躁的社会，人人在这个社会都想暴富或者成名。在这些引诱的驱使下很多人都脱离了原来的稳定工作创业。前几天看了《中国合伙...不得不说这是个浮躁的社会，人人...
Lost connection to MySQL server at 'reading initial communication packet', system error: 0
...irewall. I use PCTools Firewall Plus and it wasn't allowing full access to MySQL. Once I changed that it was fine. Hope that helps.
Could that be it?
Also, someone here suggests that it might be because the MySQL server is bound to the loop-back IP (127.0.0.1 / localhost) which effectively cuts y...
mysql Foreign key constraint is incorrectly formed error
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mysql error texts doesn't help so much, in my case, the column had "not null" constraint, so the "on delete set null" was not allowed
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