大约有 44,000 项符合查询结果（耗时：0.0180秒） [XML]
What is a Question Mark “?” and Colon “:” Operator Used for? [duplicate]
...not functions - in other contexts there is the distinction of function and procedure, dependent on the existence of a return type, which is required in a ternary expression. Afaik, you can call a function which, after printing, returns a value.
– user unknown
N...
Formatting Numbers by padding with leading zeros in SQL Server
...
You can change your procedure in this way
SELECT Right('000000' + CONVERT(NVARCHAR, EmployeeID), 6) AS EmpIDText,
EmployeeID
FROM dbo.RequestItems
WHERE ID=0
However this assumes that your EmployeeID is a numeric value and this code...
Can you have if-then-else logic in SQL? [duplicate]
...quick and dirty solution. in dbs it is not optimal because this syntax is procedural - it would be orders of magnitude slower than a proper set based query.
– mson
Feb 28 '13 at 13:42
...
How to solve “The specified service has been marked for deletion” error
... suggested above got my service stuck in the stopping state. The following procedure worked for me:
open task manager > select services tab > select the service > right click and select "go to process" > right click on the process and select End process
Service should be gone after th...
Use tnsnames.ora in Oracle SQL Developer
...
If your tnsnames.ora file is not getting recognized, use the following procedure:
Define an environmental variable called TNS_ADMIN to point to the folder that contains your tnsnames.ora file.
In Windows, this is done by navigating to Control Panel > System > Advanced system sett...
Inserting multiple rows in a single SQL query? [duplicate]
...raint, it would still not work. Reason 2 - integrity check is an expensive procedure and I'd rather have it executed once instead of 1000's of times per transaction. I'm still looking for solutions.
– tomosius
Jan 21 '17 at 6:36
...
Downloading MySQL dump from command line
... consistency. Also, use switches --routines --triggers, if you have stored procedures/functions/triggers
– accord_guy
Jul 8 '19 at 8:48
1
...
http to https apache redirection
...y user the key to choose between the two answers. Some people want generic procedures (big corps), others want performance... it's a free choice.
– spiritoo
Dec 11 '15 at 9:16
21
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SQL: IF clause within WHERE clause
...rise over 90% of business computation cycles, so pay close attn.).
CREATE PROCEDURE sp_Case
@bool bit
AS
SELECT Person.Hobbies
FROM Person
WHERE Person.ID =
case @bool
when 0
then 30
when 1
then 42
end;
...
How to rename a table in SQL Server?
... want to also rename any references to that table that may exist in stored procedures, views, functions, etc. A quick google can find one of the many tools that can do this for you. Or you can use a script that finds a given string in all these objects, and paste them as ALTER statements, and do a f...