大约有 43,000 项符合查询结果(耗时:0.0654秒) [XML]

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Select distinct values from a table field

...tart with the fields in distinct(), in the same order. For example, SELECT DISTINCT ON (a) gives you the first row for each value in column a. If you don’t specify an order, you’ll get some arbitrary row. If you want to e-g- extract a list of cities that you know shops in , the exam...
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Current executing procedure name

... You may try this: SELECT OBJECT_NAME(@@PROCID) Update: This command is still valid on SQL Server 2016. share | improve this answer ...
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Trigger change() event when setting 's value with val() function

... easiest and best way to trigger change event when setting the value of select element. 5 Answers ...
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“CASE” statement within “WHERE” clause in SQL Server 2008

... Try the following: select * From emp_master where emp_last_name= case emp_first_name when 'test' then 'test' when 'Mr name' then 'name' end share | ...
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Delete all Duplicate Rows except for One in MySQL? [duplicate]

...te. INSERT INTO tempTableName(cellId,attributeId,entityRowId,value) SELECT DISTINCT cellId,attributeId,entityRowId,value FROM tableName; share | improve this answer | ...
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Java compiler level does not match the version of the installed Java project facet

...he Project Properties dialog. There is a Project Facets item on the left, select it, look for the Java facet on the list, choose which version you want to use for the project and apply. share | i...
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Stash only one file out of multiple files that have changed with Git?

... You can also use git stash save -p "my commit message". This way you can select which hunks should be added to stash, whole files can be selected as well. You'll be prompted with a few actions for each hunk: y - stash this hunk n - do not stash this hunk q - quit; do not stash this hun...
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What is Func, how and when is it used

...ied to any particular functionality. For example, consider the Enumerable.Select extension method. The pattern is: for every item in a sequence, select some value from that item (e.g., a property) and create a new sequence consisting of these values. The placeholder is: some selector function tha...
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How to Get True Size of MySQL Database?

... would like to know how much space does my MySQL database use, in order to select a web host. I found the command SHOW TABLE STATUS LIKE 'table_name' so when I do the query, I get something like this: ...
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iOS: How to store username/password within an app?

... 3 right-click on frameworks folder and add existing framework. In Xcode 4 select your project, then select target, go to Build Phases tab and click + under Link Binary With Files) and KeychainItemWrapper .h & .m files into your project, #import the .h file wherever you need to use keychain and ...