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Differences between MySQL and SQL Server [closed]
... watch out for is the fairly severe differences in the way SQL Server and MySQL implement the SQL syntax.
Here's a nice Comparison of Different SQL Implementations.
For example, take a look at the top-n section. In MySQL:
SELECT age
FROM person
ORDER BY age ASC
LIMIT 1 OFFSET 2
In SQL Server ...
What are the respective advantages/limitations of Amazon RDS vs. EC2 with MySQL? [closed]
...en you can consider EC2 + EBS RAID 0. Vanilla EC2 is a terrible option for MySQL hosting.
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如何获取IE (控件)的所有链接（包括Frameset, iframe） - 其他 - 清泛IT社...
来源：新浪博客
IE 顶层 body 节点通过IHTMLElement->get_all 方法无法获取iframe 里面的节点列表：
CComPtr<IHTMLElement> body;
...
CComPtr<IDispatch> spDispCollection;
body->get_all(&spDispCollection);复制代码所以要获取iframe/frame(frameset) ...
How do I get the last inserted ID of a MySQL table in PHP?
...
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 They are no longer maintained and are officially deprecated.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 ...
Delimiters in MySQL
...tatements are each terminated by ;. That way, when the code is run in the mysql client, the client can tell where the entire procedure ends and execute it as a unit rather than executing the individual statements inside.
Note that the DELIMITER keyword is a function of the command line mysql client...
MySQL Insert into multiple tables? (Database normalization?)
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No, you can't insert into multiple tables in one MySQL command. You can however use transactions.
BEGIN;
INSERT INTO users (username, password)
VALUES('test', 'test');
INSERT INTO profiles (userid, bio, homepage)
VALUES(LAST_INSERT_ID(),'Hello world!', 'http://www.sta...
MySQL InnoDB not releasing disk space after deleting data rows from table
I have one MySQL table using the InnoDB storage engine; it contains about 2M data rows. When I deleted data rows from the table, it did not release allocated disk space. Nor did the size of the ibdata1 file reduce after running the optimize table command.
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How do I set the time zone of MySQL?
...ight be useful:
There are three places where the timezone might be set in MySQL:
In the file "my.cnf" in the [mysqld] section
default-time-zone='+00:00'
@@global.time_zone variable
To see what value they are set to:
SELECT @@global.time_zone;
To set a value for it use either one:
SET GLOBA...
How to import an excel file in to a MySQL database
Can any one explain how to import a Microsoft Excel file in to a MySQL database?
11 Answers
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How to check if mysql database exists
Is it possible to check if a (MySQL) database exists after having made a connection.
21 Answers
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