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Select rows which are not present in other table
I've got two postgresql tables:
4 Answers
4
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Advantages and disadvantages of GUID / UUID database keys
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Hear hear! Love your SQL comparison page btw. Extremely useful. The only thing I miss is a changelog.
– Henrik Gustafsson
Sep 16 '08 at 20:40
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Can you use an alias in the WHERE clause in mysql?
...ll not work, in which case you'll need to use a HAVING clause.
From the MySQL Manual:
It is not allowable to refer to a
column alias in a WHERE clause,
because the column value might not yet
be determined when the WHERE clause
is executed. See Section B.1.5.4,
“Problems with Column...
is of a type that is invalid for use as a key column in an index
... on maximum index row size. technet.microsoft.com/en-us/library/ms176089(v=sql.100).aspx
– Daniel Renshaw
May 15 '14 at 11:50
1
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mysql: see all open connections to a given database?
With administrative permissions im mysql, how can I see all the open connections to a specific db in my server?
8 Answers
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Psql list all tables
I would like to list all tables in the liferay database in my PostgreSQL install. How do I do that?
6 Answers
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How to see the CREATE VIEW code for a view in PostgreSQL?
...s there an easy way to see the code used to create a view using the PostgreSQL command-line client?
6 Answers
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淘宝应对双\"11\"的技术架构分析 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...做实时计算，并把计算结果在尽可能短的时间内刷新到NoSQL存储设备中，供前端产品调用。
容易理解，“云梯”或者“银河”并不适合直接向产品提供实时的数据查询服务。这是因为，对于“云梯”来说，它的定位只是做离线...
Select mySQL based only on month and year
I have a column in my mySQL DB that has some rows. One of this row is a DATE, like this: 2012-02-01
12 Answers
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项目管理实践【四】Bug跟踪管理【Bug Trace and Management】 - 项目管理 -...
...个非常优秀的开源软件，基于.NET Framework2.0 ，使用ASP.NET+SQL Server开发的网站项目， 另外项目中还使用了Microsoft Report Viewer Redistributable 2005和Microsoft ASP.NET AJAX 1.0。
最新版本是：BugNET 0.7.921.0
官方主页：http://bugnetproject.com/
最新...