licensing - Can I use MySql for free on my machine for developing …
2012年4月28日 · MySQL Is free to download and use. They also have an enterprise version available for subscription purchase and provides you with the database server as well as very …
MySQL what is the maximum size of a database? [closed]
According to the MySQL Manual: E.10.3. Limits on Table Size. The effective maximum table size for MySQL databases is usually determined by operating system constraints on file sizes, not …
Is it legal to using MySQL in commercial environment?
2015年10月28日 · MySQL itself is open source and can be used as a standalone product in a commercial environment. If you're running mySQL on a web server, you are free to do so for …
Compare two MySQL databases - Stack Overflow
2008年10月22日 · Take a look at dbForge Data Compare for MySQL. It's a shareware with 30-days free trial period. It's a fast MySQL GUI tool for data comparison and synchronization, …
What does information_schema.TABLES.DATA_FREE mean in MySQL?
2014年3月14日 · According to MySQL's information on MySQL 5.6: The DATA_FREE column shows the free space in bytes for InnoDB tables. For earlier versions like 5.5: The …
database - How to reclaim MySql disk space - Stack Overflow
EDIT 1: I deleted 90% of rows from table then I ran OPTIMIZE TABLE table_name but it has reduced only 4GB of disk space and it is not reclaiming the free disk space. EDIT 2 I even …
Is MySQL still a good choice for a free/open source database?
2010年9月9日 · Oracle shall continue to enhance MySQL and make subsequent versions of MySQL, including Version 6, available under the GPL. Oracle will not release any new, …
MySQLi query results: When do I close, free, or both?
In the result class, the close() method is simply an alias to the free() method, as shown in the documentation, while in the mysqli class, it closes the connection. Thus, it's okay to use …
Clear MySQL query cache without restarting server
2011年3月8日 · The query cache is deprecated as of MySQL 5.7.20, and is removed in MySQL 8.0. Therefore the commands RESET QUERY CACHE and FLUSH QUERY CACHE have …
MySQL InnoDB not releasing disk space after deleting data rows …
@Manachi The process is "configure the server to use innodb_file_per_table", "backup" the server, "drop the database(s)", stop the mysql, delete .ibd, start the server and restore the …