大约有 6,000 项符合查询结果(耗时:0.0316秒) [XML]

https://stackoverflow.com/ques... 

SQL-Server: The backup set holds a backup of a database other than the existing

I am trying to restore a SQL Server backup file for my database, but it is throwing an error as follow: 24 Answers ...
https://stackoverflow.com/ques... 

“The certificate chain was issued by an authority that is not trusted” when connecting DB in VM Role

I am experiencing error when connecting MY DB which is in VM Role(I have SQL VM Role) from Azure Website. Both VM Role and Azure Website are in West zone. I am facing following issue: ...
https://stackoverflow.com/ques... 

What does SQL clause “GROUP BY 1” mean?

Someone sent me a SQL query where the GROUP BY clause consisted of the statement: GROUP BY 1 . 6 Answers ...
https://stackoverflow.com/ques... 

How to create a SQL Server function to “join” multiple rows from a subquery into a single delimited

... If you're using SQL Server 2005, you could use the FOR XML PATH command. SELECT [VehicleID] , [Name] , (STUFF((SELECT CAST(', ' + [City] AS VARCHAR(MAX)) FROM [Location] WHERE (VehicleID = Vehicle.VehicleID) ...
https://stackoverflow.com/ques... 

is it possible to select EXISTS directly as a bit?

...o BIT is not necessary to retrieve the results from the query, tested with SQL Server 2008 R2. – Tore Aurstad Mar 31 '15 at 9:09 ...
https://stackoverflow.com/ques... 

DBMS_OUTPUT.PUT_LINE not printing

...e executes. Most tools, on the other hand, have the ability to do so. In SQL*Plus, you'd need to use the command set serveroutput on [size N|unlimited]. So you'd do something like SQL> set serveroutput on size 30000; SQL> exec print_actor_quotes( <<some value>> ); In SQL Deve...
https://stackoverflow.com/ques... 

Delimiters in MySQL

...tements are each terminated by ;. That way, when the code is run in the mysql client, the client can tell where the entire procedure ends and execute it as a unit rather than executing the individual statements inside. Note that the DELIMITER keyword is a function of the command line mysql client (...
https://stackoverflow.com/ques... 

Returning IEnumerable vs. IQueryable

...ifference is that IQueryable<T> is the interface that allows LINQ-to-SQL (LINQ.-to-anything really) to work. So if you further refine your query on an IQueryable<T>, that query will be executed in the database, if possible. For the IEnumerable<T> case, it will be LINQ-to-object, ...
https://stackoverflow.com/ques... 

Altering column size in SQL Server

...olumn with a straight “ALTER TABLE” command, you will have to wait for SQLServer to go through all the rows and write the new data type ALTER TABLE tab_name ALTER COLUMN col_name new_larger_data_type; To overcome this inconvenience, there is a magic column enlargement pill that your table...
https://stackoverflow.com/ques... 

SQL Server: Is it possible to insert into two tables at the same time?

...e atomic, and can be sent to the server from a client application with one sql string in a single function call as if it were one statement. You could also apply a trigger to one table to get the effect of a single insert. However, it's ultimately still two statements and you probably don't want to...