大约有 13,000 项符合查询结果(耗时:0.0182秒) [XML]

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How to round an average to 2 decimal places in PostgreSQL?

... round that takes a precision is only available for numeric. regress=> SELECT round( float8 '3.1415927', 2 ); ERROR: function round(double precision, integer) does not exist regress=> \df *round* List of functions Schema | Name | Result data type | Argument...
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How to use enum values in f:selectItem(s)

I want to make a selectOneMenu dropdown so I can select a status on my question. Is it possible to make the f:selectItem more flexible considering what happens if the order of the enums changes, and if the list was large? And could I do this better? And is it possible to automatically "select" the i...
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Group by month and year in MySQL

... I prefer SELECT MONTHNAME(t.summaryDateTime) as month, YEAR(t.summaryDateTime) as year FROM trading_summary t GROUP BY EXTRACT(YEAR_MONTH FROM t.summaryDateTime) DESC"; ...
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MySQL SELECT only not null values

Is it possible to do a select statement that takes only NOT NULL values? 9 Answers 9 ...
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How to convert DateTime to VarChar

...yDateTime DATETIME SET @myDateTime = '2008-05-03' -- -- Convert string -- SELECT LEFT(CONVERT(VARCHAR, @myDateTime, 120), 10) share | improve this answer | follow ...
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How can I group by date time column without taking time into consideration

...S DATE)' . don't forget to add the same( CAST(date_modified AS DATE) ) in select cluase. – Mohammed mansoor Apr 12 '16 at 6:57 ...
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Add characters to a string in Javascript

...r Loop characters to an empty string. I know that you can use the function concat in Javascript to do concats with strings ...
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How to print VARCHAR(MAX) using Print Statement?

...ent. It works well in combination with the SQL Server Management Studio. SELECT CAST('<root><![CDATA[' + @MyLongString + ']]></root>' AS XML) You can click on the returned XML to expand it in the built-in XML viewer. There is a pretty generous client side limit on the displaye...
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Can I specify a custom location to “search for views” in ASP.NET MVC?

...t viewLocations (.Union(viewLocations)) or just change them (viewLocations.Select(path => "/AnotherPath" + path)). To register your custom view location expander in MVC, add next lines to ConfigureServices method in Startup.cs file: public void ConfigureServices(IServiceCollection services) { ...
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Boolean Field in Oracle

...ate the many Boolean-like flags that Oracle's data dictionary views use, selecting 'Y' for true and 'N' for false. However, to interact correctly with host environments, such as JDBC, OCCI, and other programming environments, it's better to select 0 for false and 1 for true so it can work ...