大约有 40,000 项符合查询结果(耗时:0.0299秒) [XML]

https://stackoverflow.com/ques... 

SQL Server - Return value after INSERT

... No need for a separate SELECT... INSERT INTO table (name) OUTPUT Inserted.ID VALUES('bob'); This works for non-IDENTITY columns (such as GUIDs) too share | ...
https://stackoverflow.com/ques... 

Insert multiple rows WITHOUT repeating the “INSERT INTO …” part of the statement?

... INSERT INTO dbo.MyTable (ID, Name) SELECT 123, 'Timmy' UNION ALL SELECT 124, 'Jonny' UNION ALL SELECT 125, 'Sally' For SQL Server 2008, can do it in one VALUES clause exactly as per the statement in your question (you just need to add a comma to separate eac...
https://stackoverflow.com/ques... 

Standard alternative to GCC's ##__VA_ARGS__ trick?

...ine REST_HELPER_TWOORMORE(first, ...) , __VA_ARGS__ #define NUM(...) \ SELECT_10TH(__VA_ARGS__, TWOORMORE, TWOORMORE, TWOORMORE, TWOORMORE,\ TWOORMORE, TWOORMORE, TWOORMORE, TWOORMORE, ONE, throwaway) #define SELECT_10TH(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, ...) a10 int main...
https://stackoverflow.com/ques... 

Laravel Eloquent groupBy() AND also return count of each group

...working for me: $user_info = DB::table('usermetas') ->select('browser', DB::raw('count(*) as total')) ->groupBy('browser') ->get(); share | ...
https://stackoverflow.com/ques... 

Difference between timestamps with/without time zone in PostgreSQL

...inations of those factors: foo=> SET TIMEZONE TO 'Japan'; SET foo=> SELECT '2011-01-01 00:00:00'::TIMESTAMP; timestamp --------------------- 2011-01-01 00:00:00 (1 row) foo=> SELECT '2011-01-01 00:00:00'::TIMESTAMP WITH TIME ZONE; timestamptz --------------------...
https://stackoverflow.com/ques... 

Best way to do nested case statement logic in SQL Server

... You could try some sort of COALESCE trick, eg: SELECT COALESCE( CASE WHEN condition1 THEN calculation1 ELSE NULL END, CASE WHEN condition2 THEN calculation2 ELSE NULL END, etc... ) share ...
https://stackoverflow.com/ques... 

Find nearest latitude/longitude with an SQL query

... SELECT latitude, longitude, SQRT( POW(69.1 * (latitude - [startlat]), 2) + POW(69.1 * ([startlng] - longitude) * COS(latitude / 57.3), 2)) AS distance FROM TableName HAVING distance < 25 ORDER BY distance; where ...
https://stackoverflow.com/ques... 

What is the difference between a stored procedure and a view?

...iece of SQL, I would define a view like: CREATE VIEW vw_user_profile AS SELECT A.user_id, B.profile_description FROM tbl_user A LEFT JOIN tbl_profile B ON A.user_id = b.user_id GO Thus, if I want to query profile_description by user_id in the future, all I have to do is: SELECT profile_descr...
https://stackoverflow.com/ques... 

Delete all Duplicate Rows except for One in MySQL? [duplicate]

...te. INSERT INTO tempTableName(cellId,attributeId,entityRowId,value) SELECT DISTINCT cellId,attributeId,entityRowId,value FROM tableName; share | improve this answer | ...
https://stackoverflow.com/ques... 

How to get ERD diagram for an existing database?

...t that up in Manage, in which case all your databases will be available to select in step 3) Import all objects (it will warn that you are importing to the current model, which is fine since it is empty). Now switch back to the Design tab to see your ERD. ...