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Postgres: Distinct but only for one column

...h names (having more than 1 mio. rows), but I have also many duplicates. I select 3 fields: id , name , metadata . 3 Ans...
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T-SQL CASE Clause: How to specify WHEN NULL

... Given your query you can also do this: SELECT first_name + ' ' + ISNULL(last_name, '') AS Name FROM dbo.person share | improve this answer | ...
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PostgreSQL: How to make “case-insensitive” query

...unction to convert the strings to lower case before comparing. Try this: SELECT id FROM groups WHERE LOWER(name)=LOWER('Administrator') share | improve this answer | f...
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How to enable local network users to access my WAMP sites?

...y >> Windows Firewall then click on “Advance Setting” and then select “Inbound Rules” from the left panel and then click on “Add Rule…”. Select “PORT” as an option from the list and then in the next screen select “TCP” protocol and enter port number “8081” und...
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jQuery autocomplete tagging plug-in like StackOverflow's input tags? [closed]

...otstrap-tagsinput/examples/ (demo?) http://jcesar.artelogico.com/jquery-tagselector/ (demo?) http://remysharp.com/wp-content/uploads/2007/12/tagging.php (demo?) http://pietschsoft.com/post/2011/09/09/Tag-Editor-Field-using-jQuery-similar-to-StackOverflow.aspx Related: https://meta.stackexchange....
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What CSS selector can be used to select the first div within another div

... Can you tell me how to select all div except first/last div? – Tân Jul 5 '16 at 9:17 5 ...
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Selecting the first “n” items with jQuery

With Jquery, I need to select just the first "n" items from the page, for example the first 20 links instead of selecting all of them with the usual ...
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How to add text at the end of each line in Vim?

...e file, you can specify them in place of the %. One way is to do a visual select and then type the :. It will fill in :'<,'> for you, then you type the rest of it (Notice you only need to add s/$/,/) :'<,'>s/$/,/ ...
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Convert varchar to uniqueidentifier in SQL Server

... DECLARE @uuid VARCHAR(50) SET @uuid = 'a89b1acd95016ae6b9c8aabb07da2010' SELECT CAST( SUBSTRING(@uuid, 1, 8) + '-' + SUBSTRING(@uuid, 9, 4) + '-' + SUBSTRING(@uuid, 13, 4) + '-' + SUBSTRING(@uuid, 17, 4) + '-' + SUBSTRING(@uuid, 21, 12) AS UNIQUEIDENTIFIER) ...
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How do I rename a column in a SQLite database table?

...lite.org/images/syntax/alter-table-stmt.gif Example: CREATE TABLE tab AS SELECT 1 AS c; SELECT * FROM tab; ALTER TABLE tab RENAME COLUMN c to c_new; SELECT * FROM tab; db-fiddle.com demo Android Support As of writing, Android's API 27 is using SQLite package version 3.19. Based on the cu...