大约有 44,000 项符合查询结果(耗时:0.0300秒) [XML]

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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 fetch the row count for all tables in a SQL SERVER database [duplicate]

... EXEC sp_MSForEachTable @command1='INSERT #counts (table_name, row_count) SELECT ''?'', COUNT(*) FROM ?' SELECT table_name, row_count FROM #counts ORDER BY table_name, row_count DESC DROP TABLE #counts The output will be a list of tables and their row counts. If you just want the total row count...
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WITH CHECK ADD CONSTRAINT followed by CHECK CONSTRAINT vs. ADD CONSTRAINT

...CREATE TABLE T2 (FKID INT, SomeOtherVal CHAR(2)); INSERT T1 (ID, SomeVal) SELECT 1, 'A'; INSERT T1 (ID, SomeVal) SELECT 2, 'B'; INSERT T2 (FKID, SomeOtherVal) SELECT 1, 'A1'; INSERT T2 (FKID, SomeOtherVal) SELECT 1, 'A2'; INSERT T2 (FKID, SomeOtherVal) SELECT 2, 'B1'; INSERT T2 (FKID, SomeOtherVal...
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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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How do I remove the first characters of a specific column in a table?

... SELECT RIGHT(MyColumn, LEN(MyColumn) - 4) AS MyTrimmedColumn Edit: To explain, RIGHT takes 2 arguments - the string (or column) to operate on, and the number of characters to return (starting at the "right" side of the stri...
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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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Linux: is there a read or recv from socket with timeout?

How can I try to read data from socket with timeout? I know, select, pselect, poll, has a timeout field, but using of them disables "tcp fast-path" in tcp reno stack. ...
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How to display the function, procedure, triggers source code in postgresql?

... For function: you can query the pg_proc view , just as the following select proname,prosrc from pg_proc where proname= your_function_name; Another way is that just execute the commont \df and \ef which can list the functions. skytf=> \df ...
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Capitalize first letter. MySQL

... You can use a combination of UCASE(), MID() and CONCAT(): SELECT CONCAT(UCASE(MID(name,1,1)),MID(name,2)) AS name FROM names; share | improve this answer | ...
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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'...