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SQL join: selecting the last records in a one-to-many relationship
...eatures of your RDBMS to analyze the optimization plan. E.g. EXPLAIN on MySQL.
Some people use subqueries instead of the solution I show above, but I find my solution makes it easier to resolve ties.
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Stored procedure slow when called from web, fast from Management Studio
... answer may very well apply to your situation.
In essence, it sounds like SQL Server may have a corrupt cached execution plan. You're hitting the bad plan with your web server, but SSMS lands on a different plan since there is a different setting on the ARITHABORT flag (which would otherwise have n...
How can I suppress column header output for a single SQL statement?
I'm executing some SQL statements in batch (using the mysql command-line binary). I want one of my several SELECT statements to not print the column headers, just the selected records. Is this possible?
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Schema for a multilanguage database
...DUCT has 1 million rows, T_PRODUCT_tr would have 2 million.Would it reduce sql efficiency much?
– Mithril
Feb 14 '14 at 3:22
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How do you perform a CROSS JOIN with LINQ to SQL?
How do you perform a CROSS JOIN with LINQ to SQL?
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“CASE” statement within “WHERE” clause in SQL Server 2008
...ng with a query which contains "CASE" statement within "WHERE" clause. But SQL Server 2008 is giving some errors while executing it. Can anyone please help me with the correct query? Here is the query:
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SQL Server Insert if not exists
...akes no difference whatsoever because it's being used in an EXISTS clause. SQL Server will always optimize it and has been doing it for ages. Since I'm very old I usually write these queries as EXISTS (SELECT 1 FROM...) but it is not needed anymore.
– Loudenvier
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What should every developer know about databases? [closed]
...tent data associated with just one application. Building a database for MySQL, or Access, or SQL Server has become so routine that databases have become almost a routine part of an ordinary application. Sometimes, that initial limited mission gets pushed upward by mission creep, as the real value ...
Camera 扩展：相机拍照和录像，程序控制拍照、自动拍照实现，而无需点击系...
...持拍照和录制视频功能。扩展提供了多种相机控制选项，包括前后摄像头切换、缩放控制等功能。
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Cannot use a CONTAINS or FREETEXT predicate on table or indexed view because it is not full-text ind
I am getting following error in my SQL server 2008 R2 database:
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