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How can I add comments in MySQL?
I want to add comment in SQL code. How can I do this? I'm using MySQL.
6 Answers
6
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GUI Tool for PostgreSQL [closed]
I am new to PostgreSQL database I just want to know is there any GUI Tool for PostgreSQL just like SQLYog for MySql
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Cast from VARCHAR to INT - MySQL
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Unsigned is working. From when did MySQL changed Integer datatype to Unsigned?
– Lenin Raj Rajasekaran
Aug 26 '12 at 1:36
20
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Rename a table in MySQL
Renaming a table is not working in MySQL
16 Answers
16
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How to delete a column from a table in MySQL
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Here's a working example.
Note that the COLUMN keyword is optional, as MySQL will accept just DROP IsDeleted. Also, to drop multiple columns, you have to separate them by commas and include the DROP for each one.
ALTER TABLE tbl_Country
DROP COLUMN IsDeleted,
DROP COLUMN CountryName;
This a...
Is there a way to “limit” the result with ELOQUENT ORM of Laravel?
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Not the answer you're looking for? Browse other questions tagged mysql laravel eloquent sql-limit or ask your own question.
Subtract one day from datetime
...am not certain about what precisely you are trying to do, but I think this SQL function will help you:
SELECT DATEADD(day,-1,'2013-04-01 16:25:00.250')
The above will give you 2013-03-31 16:25:00.250.
It takes you back exactly one day and works on any standard date-time or date format.
Try runn...
Deleting all rows from Cassandra cql table [duplicate]
...ommand to all the rows present in a cql table in cassandra like the one in sql?
1 Answer
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Linux编译安装软件configure参数（持续更新） - 开源 & Github - 清泛网 - ...
...续更新）configure_paramPHP configure参数，Squid configure参数，MySQL configure参数，Postfix configure参数，Courier configure参数，Sasl2 configure参数 等。PHP configure参数：
./configure --prefix=/usr/local/php --with-gd=/usr/local/gd --with-jpeg-dir=/usr/local/jpeg --wit...
数据分析非要用到大数据？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...数据的关键因素，该团队需要不同结构的知识技能构成(SQL、R、JS、PYTHON等)，但技能不是最重要的，而是数据分析团队是否理解公司业务背后和关联的数据逻辑或现象，否则大数据可能就是一种浪费。
2.具有清晰可达的业务数据...