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Comparing date ranges
In MySQL, If I have a list of date ranges (range-start and range-end). e.g.
10 Answers
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PDO's query vs execute
... if you use a prepare on the : calories is that kind of the equivalent of mysql_real_escape_string() to stop injections or do you need more than just $sth->bindParam(':calories', $calories); to heighten security?
– Dan
Jan 5 '12 at 12:52
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Hibernate: “Field 'id' doesn't have a default value”
...ns but again got same error what mistake i do i don't know......I am using mysql data base.
– Krunal Patel
Feb 10 '15 at 8:46
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WHERE vs HAVING
...elf (for example select 1 as "number" ) after HAVING and not WHERE in MySQL?
7 Answers
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SQL MAX of multiple columns?
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for those who came here looking for a MySQL way, take a look to @bajafresh4life reply: stackoverflow.com/a/331873/1412157
– LucaM
May 22 '15 at 13:23
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PreparedStatement IN clause alternatives?
...in select or DML, since it is Oracle, which offers lightyears of more than MySQL or similar simple database engines. PL/SQL allows you to hide the storage model from your application domain model in an effective way.
The trick here is:
we need a call which accepts the long string, and store somewh...
Counting DISTINCT over multiple columns
...INCT concat(DocumentId, DocumentSessionId)) FROM DocumentOutputItems;
In MySQL you can do the same thing without the concatenation step as follows:
SELECT count(DISTINCT DocumentId, DocumentSessionId) FROM DocumentOutputItems;
This feature is mentioned in the MySQL documentation:
http://dev.my...
What is the difference between a schema and a table and a database?
...ction of tables. A DBMS (Database Management System) is the software (like MySQL, SQL Server, Oracle, etc) that manages and runs a database.
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苦逼的年轻人和年薪百万的区别到底在哪里? - 杂谈 - 清泛网 - 专注C/C++及内核技术
...进录取率极低的计算机科学学院,学弟学妹组队求经验,如何管住自己刻苦学习,他说不出来,我教他,“你当时一天自习七小时,为保证自己避过食堂高峰期,六点前吃饱入座,带一袋牛肉干,防止后期因为饥饿影响效率,是...
MFC RadioButton用法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...;
DDX_Control(pDX, IDC_RADIO9, m_RBtGroup4);
}
问题一:如何更改RadioButton默认值???
方法1
在定义控件变量时,默认变量初值为-1,表示此组的任何RadioButton均不被选中,如果需要改变初始默认按钮的设置情况,只需要在...
