大约有 42,000 项符合查询结果(耗时:0.0368秒) [XML]

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How to select multiple rows filled with constants?

... SELECT 1, 2, 3 UNION ALL SELECT 4, 5, 6 UNION ALL SELECT 7, 8, 9 share | improve this answer | follow ...
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Are table names in MySQL case sensitive?

Are table names in MySQL case sensitive? 5 Answers 5 ...
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Splitting string into multiple rows in Oracle

I know this has been answered to some degree with PHP and MYSQL, but I was wondering if someone could teach me the simplest approach to splitting a string (comma delimited) into multiple rows in Oracle 10g (preferably) and 11g. ...
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How to achieve function overloading in C?

...A common idiom to solve the problem is making the function accept a tagged union. This is implemented by a struct parameter, where the struct itself consists of some sort of type indicator, such as an enum, and a union of the different types of values. Example: #include <stdio.h> typedef enu...
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Number of rows affected by an UPDATE in PL/SQL

...rowcount); insert into client select 1, 'void' from dual union all select 4, 'void' from dual union all select 1, 'void' from dual union all select 6, 'void' from dual union all select 10, 'void' from dual; dbms_output.put_line('Number of lines affected by previous DML op...
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Create a list from two object lists with linq

... This can easily be done by using the Linq extension method Union. For example: var mergedList = list1.Union(list2).ToList(); This will return a List in which the two lists are merged and doubles are removed. If you don't specify a comparer in the Union extension method like in my ...
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Get current batchfile directory

... Look, I do not need to run stm.sql in D:\Dir1\Dir2\stm.sql. I need mysql.exe -u root -p mysql < %cd%\stm.sql to execute that stm.sql commands. – Hamed Kamrava Jun 12 '13 at 11:32 ...
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Interfacing with structs and anonymous unions with c2hs

...e; monome_event_type_t event_type; /* __extension__ for anonymous unions in gcc */ __extension__ union { struct me_grid { unsigned int x; unsigned int y; } grid; struct me_encoder { unsigned int number; int delta; ...
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Struct Constructor in C++?

...wever I think he's having a compile issue. The issue might be because of a union that is using the struct. You can't have non-trivial constructors in the type you have in a union. – Chap Jul 14 '09 at 20:18 ...
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Light weight alternative to Hibernate? [closed]

... My ORMLite library is one such alternative. It supports MySQL, Postgres, Microsoft SQL Server, H2, Derby, HSQLDB, and Sqlite, and can be easily extended to others. It uses annotations to configure classes, good Spring support, flexible query builder, etc.. ...