大约有 6,100 项符合查询结果(耗时:0.0347秒) [XML]

https://stackoverflow.com/ques... 

SQL update trigger only when column is modified

...oRepair <> I.QtyToRepair END END 2- Use Join between Inserted table and deleted table ALTER TRIGGER [dbo].[tr_SCHEDULE_Modified] ON [dbo].[SCHEDULE] AFTER UPDATE AS BEGIN SET NOCOUNT ON; UPDATE SCHEDULE SET modified = GETDATE() , ModifiedUser = SUSER_NAME...
https://stackoverflow.com/ques... 

Why would someone use WHERE 1=1 AND in a SQL clause?

... Indirectly Relevant: when 1=2 is used: CREATE TABLE New_table_name as select * FROM Old_table_name WHERE 1 = 2; this will create a new table with same schema as old table. (Very handy if you want to load some data for compares) ...
https://stackoverflow.com/ques... 

How to use GROUP_CONCAT in a CONCAT in MySQL

If I have a table with the following data in MySQL: 7 Answers 7 ...
https://stackoverflow.com/ques... 

Postgres DB Size Command

... of all the databases that you can connect to from the "pg_datbase" system table. Just apply the function to the names, as below. select t1.datname AS db_name, pg_size_pretty(pg_database_size(t1.datname)) as db_size from pg_database t1 order by pg_database_size(t1.datname) desc; If you int...
https://stackoverflow.com/ques... 

Using Position Relative/Absolute within a TD?

... This is because according to CSS 2.1, the effect of position: relative on table elements is undefined. Illustrative of this, position: relative has the desired effect on Chrome 13, but not on Firefox 4. Your solution here is to add a div around your content and put the position: relative on that di...
https://stackoverflow.com/ques... 

“’” showing on page instead of “ ' ”

...h is being decoded as CP-1252 instead of UTF-8. If you check the encodings table, then you see that this character is in UTF-8 composed of bytes 0xE2, 0x80 and 0x99. If you check the CP-1252 code page layout, then you'll see that each of those bytes stand for the individual characters â, € and ...
https://stackoverflow.com/ques... 

unresolved reference to object [INFORMATION_SCHEMA].[TABLES]

I've created a UDF that accesses the [INFORMATION_SCHEMA].[TABLES] view: 3 Answers 3...
https://stackoverflow.com/ques... 

How can I select rows with most recent timestamp for each key value?

I have a table of sensor data. Each row has a sensor id, a timestamp, and other fields. I want to select a single row with latest timestamp for each sensor, including some of the other fields. ...
https://stackoverflow.com/ques... 

Database Design for Tagging

...e fine and scale out assuming the right b-tree indexes exist on the middle table – Adam Musch Feb 24 '10 at 16:41 ...
https://stackoverflow.com/ques... 

GROUP BY to combine/concat a column [duplicate]

I have a table as follow: 2 Answers 2 ...