Query using "or" statement versus Query Using "Union All". Logically the same...
Trying to understand why these two queries which are logically the same do not use the same indexes.QUERY #1 SELECT TOP 400 * FROM AuditLog WITH ( NOLOCK ) WHERE CustomerID = 2379 AND PracticeID = 55...
View ArticleGroup By, needing to exclude a value in group by
Hi I'm selecting values from a table, but I need to select and include a column but it must not be included in the group by. If I include it in the group by 4 results are returned. I only need it to...
View ArticleCombining unrelated Selects
My data looks like this:date n1 n2 n3 n4 n5 2013-08-26 00:00:00 12 13 19 27 30 2013-08-25 00:00:00 6 17 21 30 31 2013-08-24 00:00:00 4...
View ArticleHourly Count for last 30 Days
Hello, Im using below query to get Count results for today. Declare @Hours Table (Hour int); Declare @i as int; Set @i = 0 While @i < 23 Begin Insert into @Hours Values(@i); Set @i = @i + 1;...
View ArticleClik here to view.
Updating large table take a long time.
I am trying to write a stored procedure to update a large table . The table is around 8M records and each time it will update around 15,000 records. Every time, it takes 60 seconds + which will end...
View Articleparent/child query help
Hello All,I have a parent table tbl_trade and a child table tbl_allocation. A trade can have many allocations. I'm trying to write a query which calculates the tbl_trade.isRec value. This should be...
View ArticleLoop Query Through Date Range
Hi all,I'm currently running a SQL script within Excel VBA.VBA loops through this script for every date that appears in a table. The dates are contiguous, but the start and end dates change based on...
View ArticleSQL Server 2008 R2 - Fetch Order - Retrieve related entity - Entity framework
Hi,I am facing a strange issue. Here is description - I have a Winform, database oriented application written in C# VS 4.0 [VS 2012]. I am using entity framework to communicate with SQL Server 2008 R2....
View ArticleClik here to view.
Sql server query for concatinating same column values if they are repeated
Hi I have a query as belowSELECT A.ClaimID, A.Member, B.Provider, B.ProcCD, B.ChargesAmt, C.PaidDate, D.CheckNo, E.PayeeName, E.PayeeIDFROM AJOIN B JOIN C JOIN D JOIN EIf I execute this query I will...
View ArticleDate and Time difference
Hi.I have 2 datetime columns for which I need to find the duration differences. I need to extract from this how many hours and minutes are between the two values. I also need to import this data into...
View ArticleDelete between dates on multiple columns
I would like to delete any records that are found BETWEEN say "2003 to 2008" . The fields below are of of a DATE/TIME type so I would like the query (shown below) to delete any record that is found...
View ArticleT-SQL that works, but needs a facelift!
Techies--This extracts what I need, but looks very late '80's. To make a long story short, I have table t1 with a real identifier I've dubbed as i . In table t2 I have comparable b,c values in both...
View ArticleSQL Interview Questions
Hi all How to answer below questions in interviews.1) I need to design the two tables customer and address tables.In customer table i have different customers,every customer have different address and...
View ArticleConsecutive Queries
Hi, I would like to perform the following query eleven times and put the results in a single result set. Two values will change with each itteration: s_id, '5.9.2013' (staff ID and a particular...
View ArticleUNION two FOR XML('tr') statements
I am trying to build an HTML structure like this: <tr><TD>John Doe (98210)</TD><TD>0.50</TD></tr><tr><TD>jane Smith...
View ArticleCounting business or working day minutes
HiI have a piece of SQL which works out hours and minutes between two dates:CONVERT(VARCHAR(10), DATEDIFF(MINUTE, D.RepairInstructed, A.EstimateReceived) / 60) + '.' + CASE WHEN LEN(DATEDIFF(MINUTE,...
View ArticleBEGIN AND END INSIDE TRY BLOCK
I HAVE FOLLOWING CODE STRUCTURE.BEGIN TRYIF EXISTS(CHECK IF VALUES EXISTS) BEGIN DO SOMETHING ENDEND TRYBEGIN CATCH LOG ERRORS INTO TABLEEND CATCHwith the...
View ArticleClik here to view.
Search All Databases on Server for a String in Particular Table Fields
Objective: Search for strings in several specified columns in various tables in all databases on a server.First, I need to find the strings I will be searching for. I think this is a two part...
View ArticleFast Script to Blank Out Part of Table Randomly
The table variable @Matrix contains a matrix (like a chessboard). There are 3 requirements:1. It has to be random blanking; FILLFACTOR 70 means 70% kept 30% blanked out2. Row wise the difference...
View ArticleSQL Function
SELECT DATEADD(minute,(DATEDIFF(minute,DayStart,[DateTime])/5)*5,DayStart) AS FiveMinutes, Val FROM (SELECT *, DATEADD(day,DATEDIFF(day,0,[DateTime]),0) as DayStart FROM table1) as AI would like to...
View Article