大约有 3,549 项符合查询结果(耗时:0.0180秒) [XML]

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Storing time-series data, relational or non?

...al Form ? heading onwards. (I have one index only, not three; on the Non-SQLs you may need three indices). I have the exact same table (without the Id "key", of course). I have an additional column Server. I support multiple customers remotely. (Server, Device, Metric, DateTime) The table c...
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insert multiple rows via a php array into mysql

I'm passing a large dataset into a MySQL table via PHP using insert commands and I'm wondering if its possible to insert approximately 1000 rows at a time via a query other than appending each value on the end of a mile long string and then executing it. I am using the CodeIgniter framework so its f...
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Remove the last character in a string in T-SQL?

How do I remove the last character in a string in T-SQL ? 21 Answers 21 ...
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sql server invalid object name - but tables are listed in SSMS tables list

... It also works for T-SQL in SQL Server Management Studio 2014 – Vahid Amiri Dec 27 '16 at 18:59 add a comment ...
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Linq to Entities - SQL “IN” clause

In T-SQL you could have a query like: 8 Answers 8 ...
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Reset identity seed after deleting records in SQL Server

I have inserted records into a SQL Server database table. The table had a primary key defined and the auto increment identity seed is set to “Yes”. This is done primarily because in SQL Azure, each table has to have a primary key and identity defined. ...
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Alter table add multiple columns ms sql

... this should work in T-SQL ALTER TABLE Countries ADD HasPhotoInReadyStorage bit, HasPhotoInWorkStorage bit, HasPhotoInMaterialStorage bit, HasText bit GO http://msdn.microsoft.com/en-us/library/ms190273(SQL.90).aspx ...
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MySQL DROP all tables, ignoring foreign keys

Is there a nice easy way to drop all tables from a MySQL database, ignoring any foreign key constraints that may be in there? ...
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Return Boolean Value on SQL Select Statement

How to return a boolean value on SQL Select Statement? 9 Answers 9 ...
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SQL Server: Query fast, but slow from procedure

...ariables to be declared in order to prevent parameter sniffing?? Shouldn't SQL Server be smart enough to prevent this from happening in the first place? This just causes unnecessary code bloat by Microsoft's shortsighted design IMHO. – l46kok Feb 24 '15 at 6:53...