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Transact SQL :: How To Get Time Span Across Several Related Records
Nov 19, 2015I need a boost to understand how to get started on solving this SQL Query.
TicketId Seq StatusDateTime
T10001 1 2015-05-04 15:54:00.000
T10001 2 2015-05-04 16:35:00.000
T10001 3 2015-05-04 16:42:00.000
T10001 4 2015-05-05 08:19:00.000
T10002 1 2015-05-04 15:56:00.000
T10002 2 2015-05-04 15:57:00.000
I need to find the total StatusDateTime for each TicketId
I need to find the average StatusDateTime for all TicketIDs
Ex. TicketId, "T10001", has 4 records based on the Seq column.
By using this, I should be able to find the amount of time between the first Seq and the last Seq to get a total time span for Ticket.
Expanding on this, I should be able to add up all of the Ticket's calculated time spans and divide by the number of tickets to get the average time span.
Reporting Services :: Same Report Different Parameters
Sep 8, 20151 report but different departments run this report with different parameters. Atm I have copied this report for the 4 departments and adjusted the default parameters accordingly (highly inefficient). Isn't there a way to just have one report and that I can adjust the default parameters in code based on user or group ?
View 6 RepliesCreating Dataset For Report - Percentages In Result
Nov 3, 2015Trying to create a dataset for a report. I need to bring back percentage in the result set. The fields that I am using to get the percentage have valid data but the result field is 0.00%. Is there reason I cant bring back a percentage field?
Code:
SELECT JobNum, Mailed, LT_7, BT_6_10, GT_10,
Format([LT_7]/[Mailed], 'p') AS PctScaned1,
Format([BT_6_10]/[Mailed], 'p') AS PctScaned2,
Format([GT_10]/[Mailed], 'p') AS PctScaned3,
[Code] ....
Integration Services :: SSIS Is Removing Leading Zeroes From 6 Character Time String?
May 29, 2015I am using SSIS 2012 SP1 to import a comma delimited csv file into a SQL table.
One of the fields carries a time value:
Source = textfile, column=DT_STR(8), value format = "hhmmss", e.g. "011525"
Destination = field in SQL table, data type = time(0)
To get it from the textfile to the SQL table I am:
1.) Creating a derived column called [d_Time of Entry]with the following formula -
SUBSTRING([Time of Entry],1,2) + ":" + SUBSTRING([Time of Entry],3,2) + ":" + SUBSTRING([Time of Entry],5,2)
2.) Performing a data conversion task to convert [d_Time of Entry] from DT_STR(8) to time(0) The upload fails because values that start with a zero, i.e. times before 10am, have their leading 0's stripped before being derived. You can see this because "011525" is derived as "11:52:5" when it should be "01:15:25".
SQL Server 2008 :: Concatenate Column Name With Values
Sep 17, 2015I want to concatenate the column_names with the respective values.
Create table #test1 (Id int,Name varchar(10),Country varchar(10))
insert into #test1 values ( 1,'JOHN','USA'),
(2,'SAM','CANADA'),
(3,'HO','CHINA'),
(4,'RAM','INDIA')
select * from #test1
I have temp table with columns (Id,Name, Country). I want to concatenate column_name with their respective values; means i want column_header with every value for the column and then i want to concatenate multiple columns. I am looking for something like below:
ID values
1,NAME-john-COUNTRY-USA
2,NAME-SAM-COUNTRY-CANADA
3,NAME-HO-COUNTRY-CHINA
4,NAME-RAM-COUNTRY-INDIA
Note: This is just a sample .i am looking something dynamic because i have around 50 tables.i can do with query below but since i don't have static columns and table i am looking for something dynamic
select ID, (a+'-'+B) as Value from (
select ID,'NAME'+'-'+NAME as a,'Country'+'-'+Country as b from #test1
Integration Services :: Dataload Process - Error Capturing Process
Aug 20, 2014I'm pulling data from Oracle db and load into MS-SQL 2008.For my data type checks during the data load process, what are options to ensure that the data being processed wouldn't fail. such that I can verify first in-hand with the target type of data and then if its valid format load it into destination table else mark it with error flag and push into errors table... All this at the row level.One way I can think of is to load into a staging table then get the source & destination table -column data types, compare them and proceed.
should I just try loading the data directly and if it fails try trouble shooting(which could be a difficult task as I wouldn't know what caused error...)
SQL 2012 :: MSDTC In Multi-node / Multi-instanced Cluster
Aug 17, 2015More often than not, I typically don't touch DTC on clusters anymore; however on a project where the vendor states that it's required. So a couple things here.
1) Do you really need DTC per instance or one for all?
2) Should DTC be in its own resource group or within the instance's group?
2a) If in it's own resource group, how do you tie an instance to an outside resource group? tmMappingSet right?
SQL Server 2014 :: Best Isolation Level To Use In A Long Delete Insert Query?
Sep 23, 2015i use a single stored procedure to update many tables in sql server 2014 database, using defalut transaction isolation level we got random performance issues.
maybe it would better to use read uncommitted isolation level?
what's happens ,in the both cases( read committed, uncommitted) if the sp is called at the same time passing the same @key parameter?
this is a sample to show of the real stored procedure works:
CREATE PROCEDURE SP_Test
@Key int,
@Values1 Values1 readonly,
@Values2 Values2 readonly,
@Values3 Values3 readonly
[code]....
SQL Server Admin 2014 :: Clone SSRS VM For Scale Out Deployment
Sep 4, 2015Ive successfully cloned an SSRS VM Server within a scale out deployment to REPLACE a current physical machine. This wasn't too difficult.
The issue im having now is in creating a new SQL 2014 Environment with 3 SSRS nodes. Ive taken the time to build one up. Changed all my config files, installed all components etc & tweaks needed within my company...
I have now hit a brick wall though. Ive cloned this first server twice to give me 3 nodes. This is a new environment so the issue I have is that the rsreportserver.config files all now have the same InstallationID. I dont have any existing nodes to overwrite these files with. So when I attach the nodes to the database they will update the keys table with the same InstallationID as the first node and none will work.
Any way to force the SSRS setup to re-generate an installation ID - by repair maybe? Or is this something I can manually just make up?
SQL Server 2012 :: Selecting Max Between Two Dates For A Given Year
Jul 23, 2015I have three tables: EMP (ID, NAME), EMPDATE (ID, STARTDATE, ENDDATE), YEAR(YEAR)
I would like to get the most recent date within a given year per each EMP? For example, EMPID 1 can be enrolled in many programs, each program has start end dates. I need to list the most recent date an employee was enrolled (max date between START AND END DATE which ever is most recent enrollment) for a given year. For example, for 2014 his/her most recent enrollment should be 10/23/2014 for year 2014 and 2013-10-24 for year 2013.
SELECT ID, EMP.NAME, DTE.StartDate, DTE.ENDDATE, year
FROM
EMP_DATE DTE join
EMP_INFO EMP on EMP.ID = DTE.ID join
YEAR YR on YR.YEAR = YEAR(DTE.STARTDATE)
DATA SAMPLE:
EMP
ID NAME
1 JOHN
EMP_INFO
ID STARTDATE ENDDATE
12013-10-24 2014-03-11
12014-06-13 2014-03-11
12014-06-15 2014-03-11
12014-09-08 2014-03-11
12014-09-12 2014-03-11
12014-09-14 2014-03-11
12014-01-13 2014-05-17
12014-05-14 2014-06-09
12014-06-10 2014-06-16
12014-08-31 2014-09-04
12014-09-05 2014-09-06
12014-09-07 2014-10-23
YEAR
Year
2012
2013
2014
2015
Transact SQL :: Non Clustered Covered Index Not Utilizing In A Query Plan?
Jul 27, 2015I had some SQL queries which are using department ID for join , filter , Group By and Select so , i am having index on department ID of my table File Master scheme ..
CREATE TABLE [dbo].[FILE_MASTER](
[FILE_ID] [INT] IDENTITY(1,1) NOT NULL,
[DEPARTMENT_ID] [INT] NULL,
[CLIENT_ID] [INT] NULL
,[LEAD_DETAIL_ID] [INT] NULL
[code]....
The above index only working when there is condition or group by on department ID .and i when i am querying ..
SELECT DISTINCT CL.CLIENT_ID,CL.LOAN_SANCTION_DATE,MIN(CL.INWARD_DATE)AS Inward
FROM dbo.FILE_MASTER AS CL
GROUP BY CL.CLIENT_ID,CL.LOAN_SANCTION_DATE
and the plan is showing Index scan on index Indx_FM_department_ID .. Why it is not using Index seek , i guess i have both group by Columns in cover index included columns what is the use of cover index then ?
because if i am giving where condition before group by for specific Client ID , Loan Sanction Date it is telling to create separate index on client ID , Loan Sanction Date as per Execution Plan missing index detail ..
SQL 2012 :: Multi-Site AlwaysOn Failover Cluster
Oct 6, 2014We are implementing a multi-site (Windows Server Failover Cluster) WSFC to enable Always On between our primary and DR site. We are not going to use SQL clustered instances. We are not planning to use shared disks. Each node is running a standalone instance of SQL 2012.
I have successfully configured a 3 node multi-site Windows failover cluster with no shared storage. For quorum, I have defined a File Share Witness (FSW). The FSW has voting rights and is in the DR site. The setup looks like this –
WSFC –
•Node A – Site #1 (voting right = 1)
•Node B – Site #1 (voting right = 1)
•Node C – Site #2 (voting right = 0)
•FSW – Site #2 (voting right = 1)
Again - There are no shared disks in our setup. We are not going to use SQL clustered instance. We are going to use Always On with these 3 nodes.
SQL Always On –
•Node A – Site #1 (Primary Replica)
•Node B – Site #1 (Readable Secondary)
•Node C – Site #2 (Readable Secondary)
All the setup including the “availability group” works properly under this setup. However, a failover to site #2 under DR situation is not working and I know why but don’t know what needs to be done to fix the problem.
The following works fine –
•Automatic failover between nodes A and B (same site – site #1)
•Forced failover to node C in site #2 provided at least one of the nodes in site #1 is up (non – DR situation) - this will ensure the cluster is up
The following is not working –
•Forced failover to node C in site #3 when both nodes in site #1 are lost (true DR situation) – This is because the cluster is not up at this point.
I know I have to bring the cluster up somehow and I have not been able to do so by restarting the cluster service.
I tried to run the command to start cluster service.
Question –
How can I FORCE the cluster to come up in Site #2 on node C when it has no voting rights?
I have always worked with even number of nodes and shared disks with traditional clustering. I am not sure what needs to be done in this scenario with 3 nodes and a FSW.
SQL 2012 :: Login / User Cannot Execute Or See Stored Procedures
May 6, 2014We are using a third party tool that does not store passwords in an encrypted format therefore we created a user with minimal rights. Isn't there a way to grant "execute any stored procedure" to a user/Login? Do we really have to grant execute on each procedure to the user? And then do the same for each new store procedure? The only other option we have found to be able to "see" and execute the stored procedures is by granting "db_owner". I would think that would negate the user being minimal rights.
View 5 RepliesSQL Server 2012 :: Merge Statement Using SCD2 Failing?
Mar 18, 2015I have created mergse statement using SCD2.where I am inserting the data if my BBxkey is not matching with target and updating the rows if the bbxkey is matching and rowchecksum is different.
Working of Store procedure
There are 2 scenario covered in this procedure on the basis of that ETL happening.
There are 2 columns deriving from source table at run time, one is BBxkey which is nothing but a combination of one or more column or part of column and another column is a Rowchecksum column which is nothing but a Hashvalue of all the column of the tables for a row.
Merge case 1:-WHEN NOT MATCH THEN INSERT
If source BBxkey is not there in Archive table that means if BBxKey is null then those records are new and it will directly inserted into Archive table.
Merge case 2:-WHEN MATCH THEN UPDATE
If Source.BBxkey=Target.BBxkey && Source.Rowchecksum<>Target.Rowchecksum then this means source records are available in Archive table but data has been changed, in this case it will update the old record with latestversion 0 and insert the new record with latestversion 1.
my sp failing when source having more than 1 same bbxkey.
error [Execute SQL Task] Error: Executing the query "EXEC dbo.ETL_STAGE_ARCHIVE ?" failed with the following error: "The MERGE statement attempted to UPDATE or DELETE the same row more than once. This happens when a target row matches more than one source row. A MERGE statement cannot UPDATE/DELETE the same row of the target table multiple times. Refine the ON clause to ensure a target row matches at most one source row, or use the GROUP BY clause to group the source rows.".
Sample store procedure
DECLARE @Merge_Out TABLE (Action_Taken varchar(8),
TimeIn datetime,
BBXKey varchar(100),
RowChecksum nvarchar(4000),Col001 varchar(8000),Col002 varchar(8000),
Col003 varchar(8000),Col004 varchar(8000),Col005 varchar(8000),
[code].....
How Can I avoid such failure of my sp.
I want to handle those case where S.bbxkey=T.bbxkey && s.rowchecksum=t.rowchecksum
DB Engine :: Cannot Remove One Last Data File From TempDB
May 19, 2015In tweaking performance of tempdb by adding add'l data files I want to reset back to defaults and remove all add'l files I've created. I was not able to do it for most as they were in use, but by starting the server in single-user mode with all other sql services shut off, and using sqlcmd I was able to use the ALTER DATABASE tempdb REMOVE FILE <tempdev#> to remove the files... except for one.
I have also tried using the command:
ALTER DATABASE tempdb MODIFY FILE (NAME = tempdev#, FILENAME = '<new location');
Restarted SQL server, and tried the ALTER DATABASE ... REMOVE FILE again but am always denied with the message that the file can't be removed b/c it's still in use.
I also tried to shrink it with EMPTYFILE but that also fails with the message that a page is a work table page and can't be removed.
I really need to get tempdb back to just one data file but am unable to find a way to remove this last data file.