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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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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 ...
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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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Generating random strings with T-SQL

...st varchar(8000) declare @step bigint = rand(@seed) * 2147483647; select @alpha = 'qwertyuiopasdfghjklzxcvbnm' , @digit = '1234567890' , @specials = '_@# ' select @first = @alpha + '_@'; set @seed = (rand((@seed+@step)%2147483647)*2147483647); select @length =...
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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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New line in Sql Query

...-line-char/ DECLARE @NewLineChar AS CHAR(2) = CHAR(13) + CHAR(10) PRINT ('SELECT FirstLine AS FL ' + @NewLineChar + 'SELECT SecondLine AS SL') share | improve this answer | ...
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Check if a temporary table exists and delete if it exists before creating a temporary table

...me in SQL Server 2005, with the extra "foo" column appearing in the second select result: IF OBJECT_ID('tempdb..#Results') IS NOT NULL DROP TABLE #Results GO CREATE TABLE #Results ( Company CHAR(3), StepId TINYINT, FieldId TINYINT ) GO select company, stepid, fieldid from #Results GO ALTER TABLE #R...
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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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Quickest way to convert a base 10 number to any base in .NET?

...ing hexavigesimal = IntToString(42, Enumerable.Range('A', 26).Select(x => (char)x).ToArray()); // convert to sexagesimal string xx = IntToString(42, new char[] { '0','1','2','3','4','5','6','7','8','9', 'A','B','C','D','E','F','G','H','I','J'...
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Procedure expects parameter which was not supplied

... data tab [beside layout and Preview tabs] next to the name of the dataset selected, there is another drop down control that lets you change the CommandType. Enjoy! – SarjanWebDev Aug 14 '12 at 6:17 ...