大约有 47,000 项符合查询结果(耗时:0.0519秒) [XML]

https://stackoverflow.com/ques... 

Add a column to a table, if it does not already exist

...onstruct by using the sys.columns table io sys.objects. IF NOT EXISTS ( SELECT * FROM sys.columns WHERE object_id = OBJECT_ID(N'[dbo].[Person]') AND name = 'ColumnName' ) share | ...
https://stackoverflow.com/ques... 

How to change column order in a table using sql query in sql server 2005?

... to look at the data in a table with a given column order when you make a "SELECT *". I'm a developer and do this kind of queries all the time. You can spare some time with a good pre-defined column order. From any other standpoint, of course, it has no sense: nothing should depend on the column ord...
https://stackoverflow.com/ques... 

How do I use the CONCAT function in SQL Server 2008 R2?

... You can use SELECT {fn concat ('foo', 'bar')}; in previous versions. Only accepts 2 parameters though. – Martin Smith May 11 '12 at 11:22 ...
https://stackoverflow.com/ques... 

How do I load a file into the python console?

...ontinuously copying/pasting into the python console. Is there a load command or something I can run? e.g. load file.py 8...
https://stackoverflow.com/ques... 

Converting a generic list to a CSV string

...s for us. List<int> myValues; string csv = String.Join(",", myValues.Select(x => x.ToString()).ToArray()); For the general case: IEnumerable<T> myList; string csv = String.Join(",", myList.Select(x => x.ToString()).ToArray()); As you can see, it's effectively no different. Beware...
https://stackoverflow.com/ques... 

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; ...
https://stackoverflow.com/ques... 

Hide the cursor of an UITextField

...o that when the user taps the text field, a picker is summoned for them to select an option from. 13 Answers ...
https://stackoverflow.com/ques... 

mysql :: insert into table, data from another table?

... INSERT INTO action_2_members (campaign_id, mobile, vote, vote_date) SELECT campaign_id, from_number, received_msg, date_received FROM `received_txts` WHERE `campaign_id` = '8' share | imp...
https://stackoverflow.com/ques... 

Make Visual Studio understand CamelCase when hitting Ctrl and cursor keys

... Is there an option, to select the whole word, even if CameHumps is on? At the moment I have to press right or left several times to select a word. I hope you get me. – Ozkan Oct 7 '16 at 14:01 ...
https://stackoverflow.com/ques... 

setting y-axis limit in matplotlib

...rks also for me. However, another workaround can be to get the plot's axis and then change only the y-values: x1,x2,y1,y2 = plt.axis() plt.axis((x1,x2,25,250)) share | improve this answer ...