大约有 47,000 项符合查询结果(耗时:0.0429秒) [XML]

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CSS disable text selection

Currently, I have put this in the body tag to disable text selections: 9 Answers 9 ...
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Build an ASCII chart of the most commonly used words in a given text [closed]

...bars only the last line break is required. DECLARE @ VARCHAR(MAX),@F REAL SELECT @=BulkColumn FROM OPENROWSET(BULK'A', SINGLE_BLOB)x;WITH N AS(SELECT 1 i,LEFT(@,1)L UNION ALL SELECT i+1,SUBSTRING (@,i+1,1)FROM N WHERE i<LEN(@))SELECT i,L,i-RANK()OVER(ORDER BY i)R INTO #D FROM N WHERE L LIKE'[A-Z...
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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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Is it possible to style a select box? [closed]

I've got an HTML select box that I need to style. I'd prefer to use just CSS but if I have to I'll use jQuery to fill in the gaps. ...
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SQL select only rows with max value on a column [duplicate]

...ce... All you need is a GROUP BY clause with the MAX aggregate function: SELECT id, MAX(rev) FROM YourTable GROUP BY id It's never that simple, is it? I just noticed you need the content column as well. This is a very common question in SQL: find the whole data for the row with some max value ...
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How to select date from datetime column?

...ry. Use BETWEEN or >, <, = operators which allow to use an index: SELECT * FROM data WHERE datetime BETWEEN '2009-10-20 00:00:00' AND '2009-10-20 23:59:59' Update: the impact on using LIKE instead of operators in an indexed column is high. These are some test results on a table with 1,...
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Can we pass parameters to a view in SQL?

..., like: CREATE FUNCTION v_emp (@pintEno INT) RETURNS TABLE AS RETURN SELECT * FROM emp WHERE emp_id=@pintEno; This allows you to use it as a normal view, with: SELECT * FROM v_emp(10) share | ...
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How to select distinct rows in a datatable and store into an array

...n named ProcessName. This ProcessName contains repeated names.So i want to select only distinct names.Is this possible. 18 ...
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How do I get list of all tables in a database using TSQL?

... SQL Server 2000, 2005, 2008, 2012, 2014, 2016, 2017 or 2019: SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_TYPE='BASE TABLE' To show only tables from a particular database SELECT TABLE_NAME FROM <DATABASE_NAME>.INFORMATION_SCHEMA.TABLES WHERE TABLE_TYPE = 'BASE TABLE'...
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How to take MySQL database backup using MySQL Workbench?

...ble) within Server Administration. Steps to Create New Server Instance: Select New Server Instance option within Server Administrator. Provide connection details. After creating new server instance , it will be available in Server Administration list. Double click on Server instance you have cr...