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How to get the next auto-increment id in mysql
How to get the next id in mysql to insert it in the table
19 Answers
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Set value to NULL in MySQL
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You're probably quoting 'NULL'. NULL is a reserved word in MySQL, and can be inserted/updated without quotes:
INSERT INTO user (name, something_optional) VALUES ("Joe", NULL);
UPDATE user SET something_optional = NULL;
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How do I get the last inserted ID of a MySQL table in PHP?
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If you're using PDO, use PDO::lastInsertId.
If you're using Mysqli, use mysqli::$insert_id.
If you're still using Mysql:
Please, don't use mysql_* functions in new code. They are no longer maintained and are officially deprecated. See the red box? Learn about prepared statements ...
How to convert an entire MySQL database characterset and collation to UTF-8?
How can I convert entire MySQL database character-set to UTF-8 and collation to UTF-8?
19 Answers
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What's the recommended way to connect to MySQL from Go?
I am looking for a reliable solution to connect to a MySQL database from Go. I've seen some libraries around but it is difficult to determine the different states of completeness and current maintenance. I don't have complicated needs, but I'd like to know what people are relying on, or what's the m...
UTF-8 all the way through
...character set on all tables and text columns in your database. This makes MySQL physically store and retrieve values encoded natively in UTF-8. Note that MySQL will implicitly use utf8mb4 encoding if a utf8mb4_* collation is specified (without any explicit character set).
In older versions of MyS...
实战Nginx与PHP（FastCGI）的安装、配置与优化 - 更多技术 - 清泛网 - 专注...
...进行了详细介绍，这里不再进行讲述。下面重点介绍Nginx如何通过php-fpm的FastCGI进程对PHP进行解析处理。
由于Ｎginx本身不会对PHP进行解析，因此要实现Nginx对PHP的支持，其实是将对PHP页面的请求交给fastCGI进程监听的IP地址及端口...
Upgrading PHP in XAMPP for Windows?
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Take a backup of your htdocs and data folder (subfolder of MySQL folder), reinstall upgraded version and replace those folders.
Note:
In case you have changed config files like PHP (php.ini), Apache (httpd.conf) or any other, please take back up of those files as well and replace th...
What is __init__.py for?
...ABASE URL'? I tried to replicate this by enclosing the create_engine with 'mysql+mysqldb://root:python@localhost:3306/test' but it does not work. Thanks.
– SunnyBoiz
Jun 25 '19 at 13:34
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常用Sql - MySql - 清泛IT论坛，有思想、有深度
本帖最后由 zqp2013 于 2015-3-17 22:06 编辑
mysql：drop table if exists tablename;
不能写成
drop table tablename if exists tablename;
mysql：建立索引Sql
CREATE TABLE tablename (
`ID` &nbs...