大约有 47,000 项符合查询结果(耗时:0.0378秒) [XML]

https://stackoverflow.com/ques... 

How do I query for all dates greater than a certain date in SQL Server?

... select * from dbo.March2010 A where A.Date >= Convert(datetime, '2010-04-01' ) In your query, 2010-4-01 is treated as a mathematical expression, so in essence it read select * from dbo.March2010 A where A.Date &g...
https://stackoverflow.com/ques... 

“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 | ...
https://stackoverflow.com/ques... 

ERROR: permission denied for sequence cities_id_seq using Postgres

... Since PostgreSQL 8.2 you have to use: GRANT USAGE, SELECT ON SEQUENCE cities_id_seq TO www; GRANT USAGE - For sequences, this privilege allows the use of the currval and nextval functions. Also as pointed out by @epic_fil in the comments you can grant permissions to all th...
https://stackoverflow.com/ques... 

SQL update fields of one table from fields of another one

...ic SQL is totally non-standard PostgreSQL syntax. DO $do$ BEGIN EXECUTE ( SELECT 'UPDATE b SET (' || string_agg( quote_ident(column_name), ',') || ') = (' || string_agg('a.' || quote_ident(column_name), ',') || ') FROM a WHERE b.id = 123 AND a.id = b.id' FROM i...
https://stackoverflow.com/ques... 

Insert text into textarea with jQuery

...aret: function(myValue){ return this.each(function(i) { if (document.selection) { //For browsers like Internet Explorer this.focus(); var sel = document.selection.createRange(); sel.text = myValue; this.focus(); } else if (this.selectionStart || this.selec...
https://stackoverflow.com/ques... 

Linq: GroupBy, Sum and Count

...a" is coming from, but the problem in the console app is that you're using SelectMany to look at each item in each group. I think you just want: List<ResultLine> result = Lines .GroupBy(l => l.ProductCode) .Select(cl => new ResultLine { ProductName =...
https://stackoverflow.com/ques... 

How can I set the default value for an HTML element?

I thought that adding a "value" attribute set on the <select> element below would cause the <option> containing my provided "value" to be selected by default: ...
https://stackoverflow.com/ques... 

Codesign error: Provisioning profile cannot be found after deleting expired profile

...ing profiles. Then reopen the project in xcode, go to the settings and reselect your new profile. This clears up issues like that most of the time. The lines that point to the provisioning profiles will look like this: PROVISIONING_PROFILE = "487F3EAC-05FB-4A2A-9EA0-31F1F35760EB"; "PROVISIONING_...
https://stackoverflow.com/ques... 

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

How to drop a PostgreSQL database if there are active connections to it?

...Query pg_stat_activity and get the pid values you want to kill, then issue SELECT pg_terminate_backend(pid int) to them. PostgreSQL 9.2 and above: SELECT pg_terminate_backend(pg_stat_activity.pid) FROM pg_stat_activity WHERE pg_stat_activity.datname = 'TARGET_DB' -- ← change this to your DB AN...