大约有 42,000 项符合查询结果(耗时:0.0133秒) [XML]

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How to export all data from table to an insertable sql format?

... top level of the context menu Thanks to Daniel for the comment to update. Select generate scripts Click next Choose tables Click next Click advanced Scroll to Types of data to script - Called types of data to script in SMSS 2014 Thanks to Ellesedil for commenting Select data only Click on 'Ok' to c...
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How to insert a line break in a SQL Server VARCHAR/NVARCHAR string

...NVARCHAR(100) SET @text = 'This is line 1.' + CHAR(13) + 'This is line 2.' SELECT @text This prints out the following: This is line 1. This is line 2. share | improve this answer |...
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Cast int to varchar

...datatype, there is no varchar datatype that you can cast/convert data to: select CAST(id as CHAR(50)) as col1 from t9; select CONVERT(id, CHAR(50)) as colI1 from t9; See the following SQL — in action — over at SQL Fiddle: /*! Build Schema */ create table t9 (id INT, name VARCHAR(55)); ins...
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How to use android emulator for testing bluetooth application?

... virtual machine set the network adapter to 'Bridged'. · Start the VM and select 'Live CD VESA' at boot. Now you need to find out the IP of this VM. Go to terminal in VM (use Alt+F1 & Alt+F7 to toggle) and use the netcfg command to find this. Now you need open a command prompt and go to your ...
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Practical uses of different data structures [closed]

...ght accent at all. You need to understand not just which data structure to select, but some other points to consider when people think about data structures: pros and cons of the common data structures why each data structure exist how it actually work in the memory specific questions/exe...
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Replace duplicate spaces with a single space in T-SQL

... Even tidier: select string = replace(replace(replace(' select single spaces',' ','<>'),'><',''),'<>',' ') Output: select single spaces ...
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How to test an SQL Update statement before running it?

...yway) you can also do a sanity check which rows are affected by running a select using the same WHERE clause as the UPDATE. So if you UPDATE is UPDATE foo SET bar = 42 WHERE col1 = 1 AND col2 = 'foobar'; The following will show you which rows will be updated: SELECT * FROM foo WHERE col1 ...
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Bitwise operation and usage

...(where n is the bit number, and 0 is the least significant bit): unsigned char a |= (1 << n); Clear a bit: unsigned char b &= ~(1 << n); Toggle a bit: unsigned char c ^= (1 << n); Test a bit: unsigned char e = d & (1 << n); Take the case of your list for exampl...
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How to close TCP and UDP ports via windows command line

...don't think that was being asked here. I believe the question is "how do I selectively close one active connection (socket) to the port my program is listening on?". The wording of the question is a bit off because a port number for the undesired inbound client connection is given and it was referr...
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How to remove leading and trailing whitespace in a MySQL field?

...d the use case before using this solution: trim does not work while doing select query This works select replace(name , ' ','') from test; While this doesn't select trim(name) from test; share | ...