I currently have an asp script that is generating a 12 month rolling report. From asp I'm running a for loop with 12 iterations, each one sending the following query:
select count(a.aReportDate) as ttl from findings f left outer join audits a on a.aID = f.auditID
where f.findingInvalid <> 1 and month(aReportDate) = " & Mo & " and year(aReportDate) = " & Yr
where the Mo and Yr variables are incremented accordingly.
I actually have 4 sets of data being pulled back to populate a graph, so this results in 48 queries with each page load! Obviously not ideal. So I'm hoping to reduce this to 4 queries. I was playing with the following in enterprise manager:
DECLARE @DT DATETIME
DECLARE @CNT INT
SET @DT = '10/31/07'
SET @CNT = 1
WHILE(@CNT < 12)
BEGIN
select count(a.aReportDate) as ttl from findings f left outer join audits a on a.aID = f.auditID
where f.findingInvalid <> 1 and month(aReportDate) = month(@DT) and year(aReportDate) = year(@DT)
SET @CNT = @CNT + 1
END
I haven't yet added any logic to increment the date, but my concern is that it looks like it is returning 12 separate results. Is there any way to combine this all into one resultset that will be passed back to my asp script? Hopefully this makes sense?
Suggestions on a completely different approach would also be welcome.
Hope someone could help me in revising a long running query. Here is the query
select * from table1 where classid is null and productid not in ( select productid from table1 where classid = 67)
In here table1 could have several occurance of productid in which productid could have different classid. The possible values of classid are: NULL,1,2,3,67. Basically I am looking for all records whose classid is null but should never had an instance in table1 where its classid is 67.
Do you have something like a "join" statment that will only include all records in the left table that is not in the right table?
Hope someone could help me with this. Thanks in advance.
Out of one messed up table I need to create two related tables. I am stuck in trying to get 'some' of the columns from the messed up table to the new table. How can I select only the columns I need and insert them in the new table? Thanks in advance!
hi all i have the following stored procedure. declare @AreaID int select @AreaID = 1
select DATEPART(hh, dbo.JobEvent.JobEventDateTime) AS hourbracket, count(ID) as NUMCOUNT from table1 INNER JOIN table2 ON table1.JobId = table2.JobEvent_JobId where (table1.Job_AreaId = @AREAID) the there are about 300 AREAID's so my question is do i do a "LOOP" or is that no efficient and chews up resources on the server ?what would be a nice clean way to do this ? thanksrobby
I am using Report Writer for Ingres II.Is it possible to write a query in a loop?e.g. My table is like thistime position09:01 pos0109:02 pos0309:02 pos0109:04 pos05Can I loop a query to count the number of times each position occurs in each30 minute period in a day?I wish to generate a report that goes something like09:00 09:30 10:00----------------------------------------pos01 3 5 3pos02 0 6 4pos03 4 3 1
I am trying to run a UNION ALL query in SQL SERVER 2014 on multiple large CSV files - the result of which i want to get into a table in SQL Server. below is the query which works in MSAccess but not on SQL Server 2014:
SELECT * INTO tbl_ALLCOMBINED FROM OPENROWSET ( 'Microsoft.JET.OLEDB.4.0' , 'Text;Database=D:DownloadsCSV;HDR=YES', 'SELECT t.*, (substring(t.[week],3,4))*1 as iYEAR, ''SPAIN'' as [sCOUNTRY], ''EURO'' as [sCHAR],
[Code] ....
What i need is:
1] to create the resultant tbl_ALLCOMBINED table
2] transform this table using PIVOT command with following transformation as shown below:
PAGEFIELD: set on Level = 'Item' COLUMNFIELD: Sale_Week (showing 1 to 52 numbers for columns) ROWFIELD: sCOUNTRY, sCHAR, CATEGORY, MANUFACTURER, BRAND, DESCRIPTION, EAN (in this order) DATAFIELD: 'Sale Value with Innovation'
3] Can the transformed form show columnfields >255 columns i.e. if i want to show all KPI values in datafield?
P.S: the CSV's contain the same number of columns and datatype but the columns are >100, so i dont think it will be feasible to use a stored proc to create a table specifying that number of columns.
I am running an script and the following sentence throws and error because the DTC service is not running in the Remote Server:
insert into MyLocalTable execute synonym_MyRemoteProcedure @SomeParameter
Since a transaction is not declared within the script, why is the DTC required? How can I avoid the usage of the DTC? Is there a way to say "this code is not within a distributed transaction"?
Requirements: Write a MS SQLServer 2000 Storeed Procedure to: 1. Update the Tasks table by assigning the task to an Employee. 2. Incrememnt the employee's Emp_Task_Cnt for each Task assigned. 3. Match the Employee to the Task by matching the Task_Requirement to the Emp_Specialty. 4. Do not exceed the employee's Max_Task_Cnt.
I have a working solution to the requirements, but it involves using cursor logic. For all the obvious reasons, I wanted to avoid using a cursor (or cursor-like looping structure) but could not figure out any other way to avoid processing the Task table one record at a time because of the: "4. Do not allow an Employee's Task_Cnt to exeed the Max_Task_Cnt."
Q: Is there a way to do this without using a cursor and still meet all of the requirements?
I'm trying to performance tune a procedure and am sort of being thwarted by caching.
When I first run the procedure, it takes a few seconds which is too long in this case. Subsequent executions in Management Studio are nearly instantaneous, though, which I imagine is due to caching and does not reflect the behavior of the procedure in production.
Is there a way to disable caching so that each execution of the procedure in Management Studio will be consistent and reflect the "first run" performance?
This query uses a cursor to fetch a parameter and pass it to another Stored proc. Is there a straightforward way to do this without using a cursor?
declare @deleteunassigned int declare cur_unassigned cursor for select distinct a.cust_cont_pk from cust_cont a, cont_fold_ass b (NOLOCK) where a.cust_cont_pk != b.CUST_CONT_PK open cur_unassigned fetch next from cur_unassigned into @deleteunassigned while @@fetch_status = 0 begin exec spDeleteCustContbypk @deleteunassigned fetch next from cur_unassigned into @deleteunassigned end close cur_unassigned deallocate cur_unassigned GO
declare @deleteunassigned int declare cur_unassigned cursor for SELECT DISTINCT a.cust_cont_pk FROM cust_cont a, cont_fold_ass b (NOLOCK) WHERE a.cust_cont_pk != b.CUST_CONT_PK open cur_unassigned FETCH NEXT FROM cur_unassigned INTO @deleteunassigned while @@fetch_status = 0 begin exec spDeleteCustContbypk @deleteunassigned FETCH NEXT FROM cur_unassigned INTO @deleteunassigned end close cur_unassigned deallocate cur_unassigned GO
Using small stored procs or sp_executesql dramatically reduces the number ofrecompiles and increases the reuse of execution plans. This is evident fromboth the usecount in syscacheobjects, perfmon, and profiler. However I'm ata loss to determine what causes a compilation. Under rare circumstances theusecount for Compiled Plan does not increase as statements are run. Seemsto correspond to when there is no execution plan. It would seem to me thatcompilation is a resource intensive task that if possible (data and schemaare not changing) should be held to a minimum.How does one encourage the reuse of compile plans?Is this the same as minimizing compilation?Looks like some of this behavior is changing in SQL 2005....Thanks,Danny
I have a stored procedure spUpdateClient, which takes as params a number of properties of a client application that wants to register its existence with the database. The sp just needs to add a new row or update an existing row with this data.
I tried to accomplish this with code somethign like this. (The table I'm updating is called Client, and its primary key is ClientId, which is a value passed into the sp from the client.)
IF (SELECT COUNT(ClientId) FROM Clients WHERE ClientId=@ClientId) = 0 BEGIN -- client not found, create it INSERT INTO Clients (ClientId, Hostname, Etc) VALUES (@ClientId, @Hostname, @Etc) END
ELSE
BEGIN -- client was found, update it UPDATE Clients SET Hostname=@Hostname, Etc=@Etc WHERE ClientId=@ClientId END But the client apps call this every second or so, so soon enough I started getting primary key violations. It looks like one client would make two calls nearly at the same time, both would get a 0 value on the SELECT line, so both would try to insert a new row with the same ClientId. No good. So then I added
SET TRANSACTION ISOLATION LEVEL SERIALIZABLE BEGIN TRANSACTION at the top, and a COMMIT at the bottom. I thought the first one in would get to run the whole sp, and the next one in would have to wait for the first to be done. Instead I'm now getting deadlock errors. If I understand the docs right, that's because the exclusive lock is not placed on the Clients table until the INSERT happens, not at the SELECT. So when two calls to the sp happen at nearly the same time (call them A and B), A does the SELECT and that locks Clients so nobody else can update it. Then B does the SELECT, locking Clients so nobody else (including A) can update it. Now A needs to exclusively lock Clients to do its INSERT, but B still has that read lock on it, and they're deadlocked. I could catch the deadlock in my client app after SQL Server kills one of the transactions, but it seems to me there should be some way to set a lock at the top of the sp that says "nobody else can enter this sp until I exit it". Any such thing? Thanks. Nate Hekman
Hi All. How do i loop over to extract data out of a xml parameter in order to insert that into a table along with other input. For example if the xml is <Id>1</Id> <Id>2</Id> <Id>3</Id> I want to input values into table (1,data2,data3) and (2,data2,data3) and (3,data2,data3). How do i do that?
Hi,I'm probably missing something obvious (either that or doing this totally wrong).I'm trying to use a nested loop to generate the following results:Unit Day1 Day2 Day3 Day4 Day5Name1 25 45 89 54 76Name2 48 54 81 74 98What I have so far is this:WHILE @FCount < @TotalFoodUnitsBEGINSELECT (SELECT Unit FROM tbl_acc_FoodVenues WHERE UnitID = (@FCount + 1)) AS Unit WHILE @FDCount < @Days BEGIN SELECT (SELECT FdRevenue_a FROM tbl_acc_aud_SportsAudits WHERE AudDate = DATEADD(day, @FDCount, @pdStartDate)) AS Rev SET @FDCount = @FDCount + 1 END SET @FCount = @FCount + 1ENDAny suggestions please
I am quite new in query building so I would like to know where can I find some useful information about if, for,.. clauses to use in query analizer. I would like to set a variable for date(datetime) and use it in if, for,... clause to get results for each day in selected month.For example:
SELECT Uporabnik AS Expr1, MIN(Ura) AS Expr3, MAX(Ura) AS Expr5, COUNT(*) AS Expr4, Datum AS Expr2 FROM BatchIndeksNEW GROUP BY Uporabnik, Datum HAVING (Datum = CONVERT(DATETIME, '2001-11-30 00:00:00', 102)) ORDER BY COUNT(*) DESC
I'm a relative novice at using sql and I'm struggling with a particular problem. I'm not sure if this is the appropriate place to post this sort of thing but after much fruitless research I need to try and enlist someone's help.
I have a table of pay dates with a paid amount. I want to write a statement that creates a table that breaks those out into the daily amount paid. So it would create a table with a row for each date in the pay period and the amount paid each day.
For example: My existing table has an employee Bob who was paid $1000.00 on January 14. I want then create a table that has records for January 1 - 14 and $71.43 for each date. I think it I need some kind of loop for the whole thing to run through but I can't get the syntax right. I've thought about creating a temp table with all of the dates in that pay period but again, in order to create that temp table I feel like I need some sort of while loop that creates the rows for each date.
Any help or suggestions would be greatly appreciated. I'm at wits end .
@strSql is a dynamic query in while loop which can return single record, single row of records, multiple rows of records.
So only if it returns single record then I have to store it otherwise convert to xml before storing.
1) If it returns 1 record(1row and 1 column) then save as it is. 2) if it returns a row with more than 1 columns then convert to xml before saving. 2) if it returns data rows then convert to xml before saving.
I have to pull values from a mysql table, then loop through the result set using the value in an mssql query as shown below. I also have an array ($all_lobs[]) of about 100 values that must be looped through for each value pulled from the mysql table:
$tod=date("n/j/Y",time());
//this is pulling the data from the mysql table $query2="select CustId from prospect_CustId "; $result2=mysql_query($query2,$link_id_mysql); while($custs=mysql_fetch_row($result2))
[Code] .....
If I pull only 100 records from the mysql table, this takes about 1 second to run. However, if I pull 200 records, it takes about 60 secs to run. And, if I pull 300 records, it takes about 200 secs to run. After about 500 records, it takes almost a second per record to run!
Since I have 20,000+ records to pull, this takes hours...
Unfortunately, we are not allowed to modify the mssql tables at all, only query them.
Hello. I have been developing a small site that has two backend SQL Server databases. One for my application data and one for the ASPNETDB database that is created by the ASP .NET Configuration utility. Is it possible to configure the ASP .NET Configuration tool to use my custom database instead of creating a second database called ASPNETDB? Thanks in advance. Kev
I am exclusively using Stored Procedures to access the database, i.e. there are no Ad-Hoc SQL statements anywhere in the C# code. However, one thing I need to be able to do is to allow filtering for data grids on my ASP.NET page. I want to do the filtering in the Stored Procedure using Dynamic SQL to set the WHERE clause. However, one fear of mine is SQL injection from the client. How can I avoid arbitrary SQL injection, yet still allow for a dynamic WHERE clause to be passed into the stored procedure?
I have a table in our system that hold temporary data for doing calculations. It will process several million records in it. each time they forecast our products.....
Is there any way to have the SQL server NOT add these transactions to the transaction log, since I'm going to wipe the data anyway? I'd like to be able to pick and choose the tables that are 'backed up' into the transaction log...
I am trying to figure out an efficient way of comparing two tables of identical structure and primary keys only I want to do a join where one of the tables reveals values for records which have been modified and/or updated.
To illustrate, I have two tables in the generic form:
id-dt-val
For which the 'val' in table 2 could be different from the 'val' in table 1 - for a given id-dt coupling that are identical in both tables.
Does anyone know of an efficient way I could return all id-dt couplings in table 2 which have values that are different from those with the same id-dt couplings in table 1?
NOTE: I am asking this because I am trying to avoid explicit comparisons between the 'val' columns. The tables I am working with in actuality have roughly 900 or so columns, so I don't want this kind of a monster query to do (otherwise, I would simply do something like where a.id = b.id and a.dt = b.dt and a.val <> b.val) - but this won't do in this case.
As a sample query, I have the following script below. When I attempt the where not exists, as you might expect, I only get the one record in which the id-dt coupling is different from those in table 1, but I'm not sure how to return the other records where the id-dt coupling is the same in table 1 but for where modified values exist:
create table #tab1 ( id varchar(3), dt datetime, val float ) go
create table #tab2 ( id varchar(3), dt datetime, val float ) go
insert into #tab1 values ('ABC','01/31/1990',5.436) go insert into #tab1 values ('DEF','01/31/1990',4.427) go insert into #tab1 values ('GHI','01/31/1990',7.724) go
insert into #tab2 values ('XYZ','01/31/1990',3.333) go insert into #tab2 values ('DEF','01/31/1990',11.111) go insert into #tab2 values ('GHI','01/31/1990',12.112) go
select a.* from #tab2 a --Trouble is, this only returns the XYZ record where not exists (select b.* from #tab1 b where a.id = b.id and a.dt = b.dt) go
drop table #tab1 drop table #tab2 go
I really dont' want to have to code up a loop to do the value by value comparison for inequality, so if anyone knows of an efficient set-based way of doing this, I would really appreciate it.
The C++ application calls the database to look up property data. Onetroublesome query is a function that returns a table, finding data whichis assembled from four or five tables through a view that has a join,and then updating the resulting @table from some other tables. Thereare several queries inside the function, which are selected accordingto which parameters are supplied (house #, street, zip, or perhaps parcelnumber, or house #, street, town, city,...etc.). If a lot of parametersare provided, and the property is not in the database, then several queriesmay be attempted -- it keeps going until it runs out of queries or findssomething. Usually it takes ~1-2 sec for a hit, but maybe a minute insome failure cases, depending on the distribution of data. (~100 milproperties in the DB) Some queires operate on the assumption the input datais slightly faulty, and take relatively a long time, e.g., if WHEREZIP=@Zip fails, we try WHERE ZIP LIKE substring(@Zip,1,3)+'%'. Whileall this is going on the application may decide the DB is never going toreturn, and time out; it also seems more likely to throw an exception thelonger it has to wait. Is there a way to cause the DB function to fail ifit takes more than a certain amount of time? I could also recast it asa procedure, and check the time consumed after every query, and abandonthe search if a certain amount of time has elapsed.Thanks in advance,Jim Geissman
I have a Master/Detail table setup - let's call the master "Account" and the detail "Amount". I also have a "black box" stored procedure (BlackBox_sp) which carries out a lot of complex processing.
What I need to do is, for each Account, I need to iterate thtough it's Amount records and call the black box each time. Once I've finished going through all the Amount records, I need to call the black box again once for the Account. This must be done with the Account & Amount rows in a specific order.
So I have something along the lines of
Code Block
DECLARE Total int
DECLARE Account_cur OPEN Account_cur FETCH NEXT FROM Account_cur WHILE FETCH_STATUS = 0 BEGIN
SET Total = 0
DECLARE Amount_cur OPEN Amount_cur FETCH NEXT FROM Amount_cur WHILE FETCH_STATUS = 0 BEGIN
SET Total = Total + Amount
EXEC BlackBox_sp (Amount) END CLOSE Amount_cur
EXEC BlackBox_sp (Total)
END CLOSE Account_cur
Any tips on another approach would be appreciated given the contraints I have.
I want to make a SP to update table Product with information I get from table Orderdetail.
Create Procedure UpdateVoorraad §OrderId (int) As Select ProductId, Tal From Orderdetail where OrderId = @OrderId
-- this query get info from table orderdetail : ProductId (integer) and Tal (smallint)
-- Tal = Number of Products
-- Here I want to loop through the query above
-- and for each record in the query I want to update
-- table Product.
Update Product Set Product.Voorraad = Product.Voorraad - Tal where ProductId = ProductId
To do this must I make a create a tempory table, store the query result in the table loop through the table and update table product, or can I try to create a function without a temporary table.
I need to create a query to list all the subfolders within a folder.
I have a database table that lists the usual properties of each of the folder.
I have another database table that has two columns
1. Parent folder 2. Child folder
But this table maintains the parent child relationship only to one level.
For example if i have a folder X that has a subfolder Y and Z. And Y has subfolders A and B. and B has subfolder C and D and C has subfolder E and F
The database table will look like
parentfolder child folder X Y X Z Y A Y B B C B D C E C F
I want to write a query which will take a folder name as the input and will provide me a list of all the folders and subfolders under it. The query should be based on the table (parent - child) and there should not be any restriction on the subfolder levels to search and report for.
I have been banging my head to do this but i have failed so far. Any help on this will be highly appreciated.
I'm have created a data flow that uses an OLEDB source with a SQL Query. In the WHERE statement of this query is a condition for the storecode. I want to figure out how to create a loop that will cycle through a list of storecodes using a variable which is passed to the dataflow in turn to the OLEDB source's query and runs through the process for each store.
The reason i'm using a loop is because there are about 15 million records that are merge joined with 15 million others which is causing a huge performance problem. I'm hoping that by looping the process with one store at a time it should be faster. Any ideas would be greatly appreciated.
I have web site when people orders through website at same time, a problem can be arrive when allocating next primary key value to new record, using maximum number of records +1 how to avoid this problem and insert to sql server please give me your ideas
Hi there, I'm using a query to fetch data from a table where one of the criteria is IN(...) clause for the key column of the table.Now the data being retrieved is ordered by the key column of the table even though I haven't specified any order by clause. I want to know if there a way in which the data being fetched is in the order of my IN(...) clause.
Is there a way to temporarily disable logging into the transaction log.
In our system, we perform purging of our database every night, where the purging consists of 2 steps:
1. For each table, insert the data, to be deleted, into a corresponding "purged" table, to remain there for one day only.
2. For each table, delete the unnecessary data (i.e. same data stored in purged tables in step 1)
During these 2 steps, the transaction log grows, and since we perform the transactional log back up, the back up at that time is huge. We are running a bit low on the hard disk space and I'd like to disable logging into the transaction log when these operations are performed.
I really don't care about being able to recover this data.
I thought that one option is to set the database to simple recovery, then perform the purging of the database, and then change back to full.
However, I think that trans log can grow even if recovery model is simple [although you won't be able to retrieve any changes].
So, is there a way to delete a portion of a table [or insert into it] so that no data is written to a transaction log (I know that we can use TRUNCATE if we need to remove whole table without logging)?
