大约有 6,000 项符合查询结果(耗时:0.0228秒) [XML]
List of tables, db schema, dump etc using the Python sqlite3 API
For some reason I can't find a way to get the equivalents of sqlite's interactive shell commands:
11 Answers
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ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
... with JDBC, you need to be sure that you can connect to the database using SQL*Plus. If you're not familiar with SQL*Plus, it's a command-line tool for connecting to Oracle databases that has been a standard part of Oracle for a long time and it is included with Oracle XE.
When connecting to an Or...
OceanBase使用libeasy原理源码分析:服务器端 - 数据库(内核) - 清泛网 - ...
...驱动模型基于开源的libev实现。
我认为,libeasy不同于其它的网络框架比如tbnet,muduo。tbnet,muduo等网络框架的目的就是向应用层暴露出简单的发包和收包的接口,让应用层从底层发包和收包的处理细节中解放出来,使得应用层...
Equals(=) vs. LIKE
When using SQL, are there any benefits of using = in a WHERE clause instead of LIKE ?
15 Answers
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How can I group by date time column without taking time into consideration
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do you know how I would do the same with LINQ to SQL?
– The Muffin Man
May 19 '11 at 5:56
1
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Reintegrate can only be used if revisions X through Y were previously merged from to reintegra
...8365,18404
Error:
Error: branches/myproject/userdata/auto_create_db.sql
Error:
Error: Missing ranges:
Error: /trunk/userdata/auto_create_db.sql:18406
Error:
Error:
Error: branches/myproject/userdata/create_audit_tables_triggers_uds.sql
Error:
Error: Missing rang...
How to filter SQL results in a has-many-through relation
... skin a cat?
The precise cat-skinning environment for this test:
PostgreSQL 9.0 on Debian Squeeze with decent RAM and settings.
6.000 students, 24.000 club memberships (data copied from a similar database with real life data.)
Slight diversion from the naming schema in the question: student.id is...
LEFT OUTER JOIN in LINQ
...roups.Name
}
);
var xy = (query2).ToList();
When used with LINQ 2 SQL it will translate nicely to the following very legible SQL query:
SELECT
users.USR_ID AS UserId
,users.USR_User AS UserName
,groups.ID AS UserGroupId
,groups.Name AS GroupName
FROM T_User AS users
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创业公司倒闭大潮 教你正确烧钱速度? - 资讯 - 清泛网 - 专注C/C++及内核技术
...你要多快再融资,以及正面对的风险;对潜在投资人,还包括你需要多少钱。如果你很赶,那么你对投资人的杠杆作用也就越低。
另外我经常看到一些公司:月净现金消耗量只有10万,却希望融600-800万。我第一个问题就会问:
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