大约有 6,000 项符合查询结果(耗时:0.0268秒) [XML]
How to change a table name using an SQL query?
...
In MySQL :-
RENAME TABLE `Stu Table` TO `Stu Table_10`
share
|
improve this answer
|
follow
...
Is there a better way to dynamically build an SQL WHERE clause than by using 1=1 at its beginning?
I'm building some SQL query in C#. It will differ depending on some conditions stored as variables in the code.
22 Answer...
How to avoid the “divide by zero” error in SQL?
...t instantly get why this works, NULLIF(d,0) will return NULL if d is 0. In SQL, dividing by NULL returns NULL. The Coalesce replaces the resulting NULL by 0.
– GuiSim
Apr 16 '14 at 15:59
...
SQL Server IN vs. EXISTS Performance
...
That's a good point. The IN statement requires SQL Server to generate a complete result set, and then create a big IF statement I think.
– Randy Minder
Jan 14 '10 at 16:04
...
Which is faster/best? SELECT * or SELECT column1, colum2, column3, etc
I've heard that SELECT * is generally bad practice to use when writing SQL commands because it is more efficient to SELECT columns you specifically need.
...
Disable Enable Trigger SQL server for a table
...
what versions of SqlServer is this good for? not working for me, while DISABLE TRIGGER [dbo].[tr_name] on [schema].[table_name] worked
– Maslow
Jul 14 '16 at 21:11
...
What is the syntax for an inner join in LINQ to SQL?
I'm writing a LINQ to SQL statement, and I'm after the standard syntax for a normal inner join with an ON clause in C#.
1...
windbg 备忘 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...们用Visual Studio调试器调试应用程序,就不能再用CDB得到它的附加信息了?不,不完全是这样,因为除了全功能调试模式外,CDB还支持入侵调试模式。
CDB以入侵模式附上目标进程时,并没有使用Win32 Debugging API,而是先暂停目标...
How can I change the language (to english) in Oracle SQL Developer?
I am running a non-english Windows 7 system, and apparently Oracle SQL Developer (version 3.0.04.34, 64-bit) tries to auto-guess my preferred language based on the OS. Is there any way to change the language to english?
...
What is the benefit of using “SET XACT_ABORT ON” in a stored procedure?
...
SET XACT_ABORT ON instructs SQL Server to rollback the entire transaction and abort the batch when a run-time error occurs. It covers you in cases like a command timeout occurring on the client application rather than within SQL Server itself (which isn...
