大约有 48,000 项符合查询结果(耗时:0.0504秒) [XML]

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How to drop SQL default constraint without knowing its name?

...MySchema' set @table_name = N'Department' set @col_name = N'ModifiedDate' select @Command = 'ALTER TABLE ' + @schema_name + '.[' + @table_name + '] DROP CONSTRAINT ' + d.name from sys.tables t join sys.default_constraints d on d.parent_object_id = t.object_id join sys.columns c on c.object_id ...
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How do I get textual contents from BLOB in Oracle SQL

...S of the text stored in the BLOB, CS of the database used for VARCHAR2) : select utl_raw.cast_to_varchar2(dbms_lob.substr(BLOB_FIELD)) from TABLE_WITH_BLOB where ID = '<row id>'; share | imp...
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SQL Inner-join with 3 tables?

... You can do the following (I guessed on table fields,etc) SELECT s.studentname , s.studentid , s.studentdesc , h.hallname FROM students s INNER JOIN hallprefs hp on s.studentid = hp.studentid INNER JOIN halls h on hp.hallid = h.hallid Based on your request for ...
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How do you use variables in a simple PostgreSQL script?

...c/sql-do.html ) DO $$ DECLARE v_List TEXT; BEGIN v_List := 'foobar' ; SELECT * FROM dbo.PubLists WHERE Name = v_List; -- ... END $$; Also you can get the last insert id: DO $$ DECLARE lastid bigint; BEGIN INSERT INTO test (name) VALUES ('Test Name') RETURNING id INTO lastid; ...
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How to get input type using jquery?

...to now which are checked, and if it is a drop down I need to know which is selected, and I if it is a text/textarea I need to know the values. ...
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typecast string to integer - Postgres

...ur value is an empty string, you can use NULLIF to replace it for a NULL: SELECT NULLIF(your_value, '')::int share | improve this answer | follow | ...
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How to return result of a SELECT inside a function in PostgreSQL?

... bigint , ratio bigint) AS $func$ BEGIN RETURN QUERY SELECT t.txt , count(*) AS cnt -- column alias only visible inside , (count(*) * 100) / _max_tokens -- I added brackets FROM ( SELECT t.txt FROM token t WHERE t.charty...
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SQL: capitalize first letter only [duplicate]

...t only for displaying and do not need the actual data in table to change: SELECT UPPER(LEFT(word,1))+LOWER(SUBSTRING(word,2,LEN(word))) FROM [yourtable] Hope this helps. EDIT: I realised about the '-' so here is my attempt to solve this problem in a function. CREATE FUNCTION [dbo].[CapitalizeFi...
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Unbound classpath container in Eclipse

... or 4. goto Properties -> Java Build Path -> Libraries Tab -> Select the erroneous system library -> Edit (On the right) -> Select alternate JRE -> Finish. – Rajkiran Jun 26 '14 at 12:11 ...
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How to copy to clipboard in Vim?

...alent. For X11 systems, though, they differ. For X11 systems, * is the selection, and + is the cut buffer (like clipboard). http://vim.wikia.com/wiki/Accessing_the_system_clipboard * is probably what you want most of the time, so I use * because it functions as I expect it to in both enviro...