大约有 40,000 项符合查询结果(耗时:0.0236秒) [XML]

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SQL query for today's date minus two months

I want to select all the records in a table where their date of entry is older then 2 months. 5 Answers ...
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Selecting an element in iFrame jQuery

...rame. All the elements in that loaded page have their tokenid-s. I need to select the elements by those tokenid-s. Means - I click on an element on the main page and select corresponding element in the page in the iFrame. With the help of jQuery I'm doing it in the following way: ...
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How to check if a database exists in SQL Server?

...script: DECLARE @dbname nvarchar(128) SET @dbname = N'Senna' IF (EXISTS (SELECT name FROM master.dbo.sysdatabases WHERE ('[' + name + ']' = @dbname OR name = @dbname))) -- code mine :) PRINT 'db exists' share ...
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LEFT OUTER joins in Rails 3

...OUTER JOIN users ON users.id = posts.user_id"). joins(:blog).select share | improve this answer | follow | ...
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SQL Server : GROUP BY clause to get comma-separated values [duplicate]

... try this: SELECT ReportId, Email = STUFF((SELECT ', ' + Email FROM your_table b WHERE b.ReportId = a.ReportId FOR XML PATH('')), 1, 2, '') FROM your_table a GROUP BY ReportId SQL fiddle demo ...
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How to check for Is not Null And Is not Empty string in SQL server?

... ('A'), (''), (' '), (NULL); SELECT * FROM T WHERE C <> '' Returns just the single row A. I.e. The rows with NULL or an empty string or a string consisting entirely of spaces are all excluded by this query. SQL Fiddle ...
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How can I drop all the tables in a PostgreSQL database?

... You can write a query to generate a SQL script like this: select 'drop table "' || tablename || '" cascade;' from pg_tables; Or: select 'drop table if exists "' || tablename || '" cascade;' from pg_tables; In case some tables are automatically dropped due to cascade option in a...
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Extracting hours from a DateTime (SQL Server 2005)

... SELECT DATEPART(HOUR, GETDATE()); DATEPART documentation share | improve this answer | follow ...
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Set keyboard caret position in html textbox

...tRange(); range.move('character', caretPos); range.select(); } else { if(elem.selectionStart) { elem.focus(); elem.setSelectionRange(caretPos, caretPos); } else elem.focus(); ...
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Is it possible to Pivot data using LINQ?

...t = GetCustData(); var query = myList .GroupBy(c => c.CustId) .Select(g => new { CustId = g.Key, Jan = g.Where(c => c.OrderDate.Month == 1).Sum(c => c.Qty), Feb = g.Where(c => c.OrderDate.Month == 2).Sum(c => c.Qty), March = g.Where(c => ...