大约有 40,000 项符合查询结果(耗时:0.0343秒) [XML]

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Select mySQL based only on month and year

... SELECT * FROM projects WHERE YEAR(Date) = 2011 AND MONTH(Date) = 5 share | improve this answer | f...
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T-SQL get SELECTed value of stored procedure

...UTPUT parameter and a result set ALSO, watch out if you use the pattern: SELECT @Variable=column FROM table ... if there are multiple rows returned from the query, your @Variable will only contain the value from the last row returned by the query. RETURN VALUE since your query returns an int fie...
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Using column alias in WHERE clause of MySQL query produces an error

... though, by putting the expression directly into the WHERE x IN y clause: SELECT `users`.`first_name`,`users`.`last_name`,`users`.`email`,SUBSTRING(`locations`.`raw`,-6,4) AS `guaranteed_postcode` FROM `users` LEFT OUTER JOIN `locations` ON `users`.`id` = `locations`.`user_id` WHERE SUBSTRING(`loca...
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Get selected value in dropdown list using JavaScript

How do I get the selected value from a dropdown list using JavaScript? 28 Answers 28 ...
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Fastest check if row exists in PostgreSQL

... Use the EXISTS key word for TRUE / FALSE return: select exists(select 1 from contact where id=12) share | improve this answer | follow ...
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LINQ query to select top five

... var list = (from t in ctn.Items where t.DeliverySelection == true && t.Delivery.SentForDelivery == null orderby t.Delivery.SubmissionDate select t).Take(5); share ...
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SQL Server loop - how do I loop through a set of records

how do I loop through a set of records from a select? 8 Answers 8 ...
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Cannot truncate table because it is being referenced by a FOREIGN KEY constraint?

... IF OBJECT_ID('tempdb..#FKs') IS NOT NULL DROP TABLE #FKs -- GET FKs SELECT ROW_NUMBER() OVER (ORDER BY OBJECT_NAME(parent_object_id), clm1.name) as ID, OBJECT_NAME(constraint_object_id) as ConstraintName, OBJECT_NAME(parent_object_id) as TableName, clm1.name as ColumnName...
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How do I get the current time zone of MySQL?

...bal and client-specific time zones can be retrieved like this: mysql> SELECT @@global.time_zone, @@session.time_zone; Edit The above returns SYSTEM if MySQL is set to slave to the system's timezone, which is less than helpful. Since you're using PHP, if the answer from MySQL is SYSTEM, you ca...
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Select2 doesn't work when embedded in a bootstrap modal

When I use a select2 (input) in bootstrap modal, I can't type anything into it. It's like disabled? Outside the modal select2 works fine. ...