大约有 44,000 项符合查询结果(耗时:0.0355秒) [XML]

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How to find gaps in sequential numbering in mysql?

...r Here's version that works on table of any size (not just on 100 rows): SELECT (t1.id + 1) as gap_starts_at, (SELECT MIN(t3.id) -1 FROM arrc_vouchers t3 WHERE t3.id > t1.id) as gap_ends_at FROM arrc_vouchers t1 WHERE NOT EXISTS (SELECT t2.id FROM arrc_vouchers t2 WHERE t2.id = t1.id + ...
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Is there a way to make text unselectable on an HTML page? [duplicate]

...an HTML UI with some text elements, such as tab names, which look bad when selected. Unfortunately, it's very easy for a user to double-click a tab name, which selects it by default in many browsers. ...
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How to disable text selection highlighting

...S standard way to disable the highlighting effect if the user accidentally selects the text? 48 Answers ...
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MySQL INNER JOIN select only one row from second table

...have multiple associated payments in the payments table. I would like to select all users who have payments, but only select their latest payment. I'm trying this SQL but i've never tried nested SQL statements before so I want to know what i'm doing wrong. Appreciate the help ...
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How do I enable the column selection mode in Eclipse?

News wrote that Eclipse 3.5 finally supports column selection. Unfortunately I don't know HOW to enable it. I tried pressing the ALT-key like I am used to in Visual Studio and all other Microsoft products but that had no effect. ...
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SQL WHERE.. IN clause multiple columns

...a derived table from the subquery, and join table1 to this derived table: select * from table1 LEFT JOIN ( Select CM_PLAN_ID, Individual_ID From CRM_VCM_CURRENT_LEAD_STATUS Where Lead_Key = :_Lead_Key ) table2 ON table1.CM_PLAN_ID=table2.CM_PLAN_ID AND table1.Individual=table2.Indi...
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Is there a way to loop through a table variable in TSQL without using a cursor?

...impler code. Depending on your data it may be possible to loop using just SELECT statements as shown below: Declare @Id int While (Select Count(*) From ATable Where Processed = 0) > 0 Begin Select Top 1 @Id = Id From ATable Where Processed = 0 --Do some processing here Update ATa...
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How to select records from last 24 hours using SQL?

... SELECT * FROM table_name WHERE table_name.the_date > DATE_SUB(CURDATE(), INTERVAL 1 DAY) share | improve this answer ...
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MySQL select 10 random rows from 600K rows fast

How can I best write a query that selects 10 rows randomly from a total of 600k? 26 Answers ...
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How to set a selected option of a dropdown list control using angular JS

I am using Angular JS and I need to set a selected option of a dropdown list control using angular JS. Forgive me if this is ridiculous but I am new with Angular JS ...