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MySQL Insert into multiple tables? (Database normalization?)

... 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...
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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...
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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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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?

... 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...
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Deep Learning(深度学习)学习笔记整理系列之(四) - 大数据 & AI - 清泛...

...,这个AutoEncoder还不能用来分类数据,因为它还没有学习如何去连结一个输入和一个类。它只是学会了如何去重构或者复现它的输入而已。或者说,它只是学习获得了一个可以良好代表输入的特征,这个特征可以最大程度上代表...
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Deep Learning(深度学习)学习笔记整理系列之(四) - 大数据 & AI - 清泛...

...,这个AutoEncoder还不能用来分类数据,因为它还没有学习如何去连结一个输入和一个类。它只是学会了如何去重构或者复现它的输入而已。或者说,它只是学习获得了一个可以良好代表输入的特征,这个特征可以最大程度上代表...
https://www.tsingfun.com/it/bi... 

Deep Learning(深度学习)学习笔记整理系列之(四) - 大数据 & AI - 清泛...

...,这个AutoEncoder还不能用来分类数据,因为它还没有学习如何去连结一个输入和一个类。它只是学会了如何去重构或者复现它的输入而已。或者说,它只是学习获得了一个可以良好代表输入的特征,这个特征可以最大程度上代表...