I have an application for scheduling certain events. And all these events must be reviewed after each scheduled time.
I\'m having some problems trying to perform a query. I have two tables, one with elements information, and another one with records related with the elements of the first table. The idea is to get in
For example, I always generate an auto-increment field for the users table, but I also specify a UNIQUE index on their usernames.There are situations that I first need to get the userId for a given us
I need to find the latest location of each cargo item in a consignment. We mostly do this by looking at the route selected for a consignment and then finding the latest (max) time
I\'m trying to select records with a statement SELECT * FROM A WHERE LEFT(B, 5) IN (SELECT * FROM (SELECT LEFT(A.B,5), COUNT(DISTINCT A.C) c_count
SQl Server 2005: O开发者_如何学Goption: 1 CREATE TABLE #test (customerid, orderdate, field1 INT, field2 INT, field3 INT)
Hey. How would you optimize this SQL SELECT SUM(tmp.cost) FROM ( SELECT DISTINCT clients.id as client, countries.credits_cost AS cost
Say, I got these two tables.... Table 1 : Hotels hotel_idhotel_name 1abc 2xyz 3efg Table 2 : Payments payment_idpayment_datehotel_idtotal_amtcomission
SELECT DISTINCT tblJobReq.JobReqId , tblJobReq.JobStatusId , tblJobClass.JobClassId 开发者_JS百科, tblJobClass.Title
There\'s this already populated database which came from another dev. I\'m not sure what went on in that dev\'s mind when he created the tables, but on one of our scripts there is this query involvin
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