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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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Difference Between Schema / Database in MySQL
Is there a difference between a schema and a database in MySQL? In SQL Server, a database is a higher level container in relation to a schema.
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Truncate all tables in a MySQL database in one command?
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Drop (i.e. remove tables)
mysql -Nse 'show tables' DATABASE_NAME | while read table; do mysql -e "drop table $table" DATABASE_NAME; done
Truncate (i.e. empty tables)
mysql -Nse 'show tables' DATABASE_NAME | while read table; do mysql -e "truncate t...
Escaping single quote in PHP when inserting into MySQL [duplicate]
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You should be escaping each of these strings (in both snippets) with mysql_real_escape_string().
http://us3.php.net/mysql-real-escape-string
The reason your two queries are behaving differently is likely because you have magic_quotes_gpc turned on (which you should know is a bad idea). This...
海量数据相似度计算之simhash和海明距离 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...对于结果的分析。分析前我们需要对这些数据去除重复，如何选择和设 通过 采集系统 我们采集了大量文本数据，但是文本中有很多重复数据影响我们对于结果的分析。分析前我们需要对这些数据去除重复，如何选择和设计文...
Create an index on a huge MySQL production table without table locking
I need to create an index on a ~5M rows MySQL table. It is a production table, and I fear a complete block of everything if I run a CREATE INDEX statement...
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MySQL query to get column names?
I'd like to get all of a mysql table's col names into an array in php?
21 Answers
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List of Stored Procedures/Functions Mysql Command Line
How can I see the list of the stored procedures or stored functions in mysql command line like show tables; or show databases; commands.
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Clear MySQL query cache without restarting server
Is there any way to clear mysql query cache without restarting mySQL server?
3 Answers
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What is the difference between sql and mysql [closed]
...o databases and I was wondering: What is the difference between SQL and MySQL ?
5 Answers
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