Transact-SQL (T-SQL) is a dialect of SQL used by Microsoft SQL Server and SAP's Sybase.

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Cannot find either column “dbo” or the user-defined function or aggregate “dbo.fnDiscountPrice”, or the name is ambiguous

i have created fnDiscountPrice() that references the item id so that it will find the discount price for one item now I'm needing to find the total price of all the products with that ID. so i have a ...
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2answers
299 views

Metric to standard unit conversion in SQL Server

I am giving simplified version of my two table which are as follow. tblRecords ID unit val --- --- --- 1 KV 3 1 BAR 4 2 KV 7 2 KG 5 3 C 37 tblUnit unit ...
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1answer
193 views

To use a cursor or something else in my while loop?

From reading around the net it seems the use of cursors is frown upon but no one ever seemed to give an alternative to them. In my case I need to set row by row though the results of a select ...
5
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1answer
983 views

Why does SQL Server 2008 R2 insert an invalid datetime when using bulk insert?

I want to insert rows with an optional datetime value (per row) using T-SQL BULK INSERT on a SQL Server 2008 R2. A table could look like this: CREATE TABLE [dbo].[tbl_bulk_insert_datetime_issue] ( ...
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2answers
90 views

SP or query to dump “password policy” checkbox for all logins

sp_helplogins doesn't show a column for this. I need a listing of all logins, with the status of their "Enforce password policy" checkbox. This is for an auditor, and the standard practice is for ...
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2answers
556 views

Should I load the data into Temp table or keep calling it from the normal table? [closed]

I am writing a procedure and find myself using the same select statement with the same where clause a lot. Currently the table holds over 55000 rows and grows about 100 or so rows each day. The two ...
2
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1answer
157 views

Should you use the schema name in WHERE, ON, and other clauses?

I know it is good practice, and a performance boost, in SQL Server to prefix the table name with the schema (dbo.TableName) in the FROM clause of a SELECT statement but should you also use it on other ...
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1answer
204 views

Multibyte replace not working in SQL Server

Why does one work and the other doesn't? SELECT REPLACE(N'IAșI' ,N'ș','x') -- doesn't match (returns 'IAșI') SELECT REPLACE('IAșI' ,'ș','x') -- works (returns 'IAxI') My guess would be that in the ...
5
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1answer
255 views

Passing a literal ? to sp_MSforeachdb

I am trying to search for the ? character in a string, but across all dbs on a server. Since the ? mark is a placeholder for the database name, how may I format the query so it knows I mean to search ...
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2answers
211 views

SQL Server compact- Query that return 2 constant columns even if query didn't return data

Please look at the following simple query: Select CustomerID From Customers c Where c.CustomerId = "1234" I want to write similar query that does the following: Always return 2 coloumns with ...
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1answer
106 views

How to write this query in SQL Server Compact in more elegant way?

The query is : Select Case AStatus When 1 then 'Success' When 0 then 'Faliure' END, Case AStatus When 1 then 'AStatus' ...
2
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1answer
904 views

Nonclustered Index still doing index scan

I have this simple query. SELECT a.RecordID SubmissionID, a.[DateSubmitted], a.[FinalAction], a.[FinalActionReason], a.[FinalActionDate], b.GradeSubmissionListID, b.[Action], ...
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1answer
160 views

Not sure why code is failing when CONCAT_NULL_YIELDS_NULL is set to OFF

In my question over at Pull every other row, starting a 0, and concatenate them together user @AaronBertrand provided me with a chunk of code that worked fine in test but as soon as I put the ...
2
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2answers
235 views

Pull every other row, starting at 0, and concatenate them together

I have a temp table that will contain two columns ID and Text. The temp table will contain an unknown amount of rows but there will always be an even amount. What I need to do is select every other ...
3
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1answer
4k views

How to split/explode comma delimited string field into SQL query

I have field id_list='1234,23,56,576,1231,567,122,87876,57553,1216' and I want to use it to search IN this field: SELECT * FROM table1 WHERE id IN (id_list) id is integer id_list is varchar/text ...
3
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3answers
139 views

Inserting two rows from single row

I have to import users from the usersToImport table into the userContact table. usersToImport contains telephone and e-mail information in a single row for each user, but userContact stores one kind ...
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1answer
159 views

Can this query be optimized further?

I have 100K records in my Documents table. This is my query which gives a page of 50 records in roughly 750 ms. I would like to further bring it down if possible. I am using Row_Number function to ...
3
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1answer
240 views

Selecting the highest value in a column?

I am dealing with a table that has 3 columns and I need a way to select the record(s) that matches a certain PrntP_PstnGrpID(s) and is the highest ChldLevel ( The PrntP_PstnGrpID could have multiple ...
2
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1answer
409 views

How to remove diacritics in computed persisted columns? COLLATE is non-deterministic and cannot be used

I have a function that includes: SELECT @pString = CAST(@pString AS VARCHAR(255)) COLLATE SQL_Latin1_General_Cp1251_CS_AS This is useful, for example, to remove accents in French; for example: ...
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0answers
157 views

Sql Execution Plan - Hash Match

I'm currently working on a Sql Query that's having performance issues. I ran the execution plan and saw the Hash Match has 50% cost and also, doing a index scan. I'm starting to learning about the ...
3
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2answers
123 views

Grouping Selecting unique values in a single column [duplicate]

Here is my table ID Field1 Field2 Field3 Field5 Field7 357 357 2013-03-07 08:02:02:275 t02 bBCD00103RG 365 365 2013-03-07 08:02:05:307 t02 bR U00103w 374 ...
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147 views

Getting Request Timeout from Store Procedure?

Only sometimes, I get Request Time-out(means my SP is not responding within a specfied time-period which is 90 seconds). Here is my SP. ALTER PROCEDURE [dbo].[Insertorupdatedevicecatalog] ...
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1answer
146 views

How to insert and or update a variable number of records and prevent concurrency issues

I currently have the following stored procedure. However I am seeing some race conditions where I end up with incorrect data which I think is caused because the procedure isn't attomic and it can be ...
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1answer
137 views

Updating a local table with a per-row count(*) which is an aggregate of inner joins on remote server

I have a table of around 350m rows on a linked server in which I added an additional INT column to serve as a count(external_identification) of records as the result of a join on PACKAGE and DOC2. ...
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5answers
1k views

How can I prove that the following T-SQL is bad for performance?

I have recently inherited a codebase with a large amount of Stored Procedures. The system they are supporting is encountering numerous performance problems which I am looking in to. A number of the ...
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1answer
257 views

Getting collation confict in IF statment and need help resolving it please

A SQL script I am writing is generating the error: Cannot resolve the collation conflict between "SQL_Latin1_General_CP1_CI_AS" and "SQL_Latin1_General_CP850_CI_AS" in the equal to operation. I ...
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1answer
552 views

How to find column with all same repeating character

I have a char(15) NOT NULL column. I need to see if it is empty or contains all zeros. I can obviously do= '000000000000000' But is there a way using LIKE so its not hard coded to 15? I don't see why ...
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1answer
91 views

Sproc - Adding columns with matching ID column [closed]

I currently have a sproc that is used for reporting on a table similar to the one below: ID Weight QTY OtherData 1 20 12 1234 1 44 4 1234 ...
2
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1answer
113 views

Query does not use index when selecting all records [closed]

This is my first time handling a large database, and I was wondering why the two queries below are different in terms of execution plan. I have setup an index on a specific table: CREATE ...
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1answer
1k views

Uncommitable T-SQL transaction after trigger applied to table

Good morning, I have written a Trigger on a table that should evaluate the entered values (Length, width and Height) and based on those entered values, should update a column (Type) in the same record ...
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2answers
109 views

Improving performance of query with `WHERE <> ''`

I have a qeuery that checks where two columns are not '' (blank) - [blank and NULL are not the same in this case] Is there any way to improve the performance of the query SELECT * FROM myTable WHERE ...
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1answer
127 views

Can I design this database better? [closed]

I have the following database design: Script to reproduce: /* DROP TABLE [dbo].[feedback] DROP TABLE [dbo].[action] DROP TABLE [dbo].[download] DROP TABLE [dbo].[user] DROP ...
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1answer
188 views

Simple update query balloons tempdb

I am trying to do a bulk update of a column from a csv file, however when I do the actual update operation my tempdb balloons to over 20 GB in size (overtaking the entire size of the SSD the tempdb is ...
1
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1answer
304 views

Check for column in backupset table

Created a script to show last backup locations, sizes and dates SELECT DatabaseName = x.database_name, LastBackupDate = x.backup_finish_date, BackupSizeKB = x.backup_size, ...
0
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1answer
77 views

How do I setup a foreign key relationship based on two columns?

I have the following two tables: CREATE TABLE [dbo].[company] ( [CompanyID] [int] NOT NULL , [CompanyName] [varchar](150) NULL , [DepartmentID] [int] NOT NULL , ...
0
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1answer
183 views

T-SQL Gurus, I need help optimising these queries for performance

I would like to have suggestions on improving the performance of some queries. These will be run on SQL Server 2008 R2 against a single table called dbo.bids In a production environment the table ...
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0answers
108 views

UPLOCK to avoid multiple reads

Given the following table structure... Orders ====== OrderId int PK OrderEvent =========== OrderEventId int PK OrderId int FK EventTypeId int FK I've got multiple concurrent processes SELECT-ing ...
2
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1answer
471 views

What is the difference between COUNT(*) and COUNT(*) OVER()

Take the following code example: SELECT MaritalStatus, COUNT(*) AS CountResult COUNT(*) OVER() AS CountOverResult FROM (schema).(table) GROUP BY Marital Status COUNT(*) ...
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2answers
108 views

Optimize Query of Count Less Than

I would like to optimize querying in SQL Server of a table to know whether it has a count of records less than a certain amount. I don't need to know the complete count, just whether it is less than, ...
1
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1answer
124 views

How big should I make a column in an audit table for storing the output of COLUMNS_UPDATED()?

I have a stored procedure which creates a complementary trigger and audit table when a table name is passed into it. The SP filters out all the calculated columns and other stuff that stops you doing ...
1
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1answer
717 views

What is the difference between TABLESAMPLE(10) and TABLESAMPLE(10 PERCENT) in SQL SERVER 2012

My understanding of the use of TABLESAMPLE is that it returns the top n percent of rows in a result set where TABLESAMPLE(n) So I wrote the following queries to just check (as I'm learning T-SQL) ...
3
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1answer
50 views

How is ORDER BY logically Processed

Take this example: SELECT SalesOrderID, CustomerID, SalesPersonID, OrderDate FROM Sales.SalesOrderHeader ORDER BY OrderDate, SalesOrderID DESC OFFSET 0 ROWS FETCH NEXT ...
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2answers
181 views

Where can I find scenarios to work through T-SQL [closed]

I've been working through the exam guides for the new 70-461 MCSE data exams and i'm at a point where I want to practice my T-SQL. Does anyone know of any good resources whereby scenarios are posed ...
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3answers
164 views

Dividing in SQL

can anyone explain to me why this query returns 0.000? SELECT CAST(20/1024 AS NUMERIC(10,3)) I am just trying to do a simple conversion of MB to GB Thanks
0
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1answer
375 views

Extract time portion of Datetime2(7) in hhmmssfff format

I need to extract the time portion of a datetime2(7) column in hhmmssfff format and I am doing it like this: DECLARE @mdate AS DATETIME2(7) SET @mdate = '2012-03-15 10:13:27.5437431' SELECT ...
3
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0answers
184 views

Mathematical method for spotting irregularity in numbers flow

I am trying to build an engine which is going to predict orders for items inside shop. Three main variables are: Time-dates (x-axe etc 1.1.2013,1.2.2013 etc I do calculation one per day) Available ...
0
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1answer
571 views

LEFT vs CHARINDEX for matching the start of a string in T-SQL

I want to match the beginning of a string in a WHERE clause. While I recognise that so often database-performance is dependant on the underlying data structure, is there a best-practice for doing ...
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1answer
299 views

Totals Column - Blank if Zero or NULL

A report currently computes a "totals" column like so: ,CASE WHEN ISNULL(CLM_BREAKFAST_TYPEA.MealsA, 0) + ISNULL(CLM_BREAKFAST_TYPEB.MealsB, 0) = 0 THEN '' ...
3
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1answer
439 views

Displaying Parent Child Information, With Certain Parent Columns Only Shown Once

For a TSQL report, I have a one-to-many parent-child relationship. I want to report both parent and child relationships in the same report, like so, with the parent columns on the left and child ...
0
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1answer
435 views

Selecting from an excel spreadsheet into SQL Server table

This question has been asked before but I tried giving full admin rights to the SQL Server user on C:\temp\ folder location (I am using Windows authentication into SQL Server Express). So for the ...