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

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3
votes
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
votes
1answer
297 views

Get records not updated in last 30 minutes

I am trying to write a script that will get records that have not updated the table in more than 30 minutes. Example records: DNS_NAME LAST_PERF_TIME esxnu01 2013-12-24 12:10:00.000 esxnu02 ...
2
votes
1answer
71 views

Get identity value of all rows inserted

I can use Scope_Identity() to get the last identity value inserted into an identity column. But how can i get identity values of all rows which are inserted in a insert statement? Example insert ...
1
vote
2answers
1k views

Options for keeping two SQL Server Compact databases in sync?

Developer here. I have a system where there is a front machine creating rows in a moderately complex database, and a back machine that must sync with the front machine to run reports. Both run SQL ...
4
votes
2answers
186 views

Why can't I view the SQL Server database created by a web application?

I have an ASP.NET MVC web application deployed to IIS on a Windows Server 2012 machine. When the application first starts, it will create the database and tables it needs if necessary through Entity ...
0
votes
1answer
62 views

Identity Column Behaviour After Replication

Say we have two Servers: Server A and Server B. Data is being replicated (vanilla Transactional Replication) from A to B. For one of the Tables, we have data as follows: Server A - Server B ...
2
votes
1answer
214 views

Performance issue with TOP (1) on a nullable column

I need help to identify the reason for a performance issue. Actually following query sits in a scalar-valued-function but that is not the reason for the issue since it needs the same time as query: ...
2
votes
1answer
69 views

Getting Information on active Restore in TSQL / SQL Server Management Studio

On my server a database is currently restoring according to the SQL Server Management Studio In the history SELECT * FROM MSDB..RestoreHistory WITH (nolock) WHERE destination_database_name = 'myDB' ...
1
vote
1answer
216 views

Finding rows where a column contains [ and ] characters

I need to get results where the column contains a string that includes [ ]. When I use LIKE, it takes the [] as a wildcard sequence, and doesn't work as I need. For example, I want to search through ...
5
votes
4answers
11k views

Add a new Column and define its position in a table

I have Table A with 5 columns: TableA -- Name Tel Email Address I want to add a new column (mobile) in between Tel & Email: TableA -- Name Tel Mobile Email Address If I use ALTER TABLE ...
3
votes
4answers
311 views

How to rollback changes made to the database by a specific user?

In mssql, is it possible to rollback changes made by a specific user to the database? For example if that user ran an update query and did not write begin transaction before, is it possible to revert ...
5
votes
2answers
139 views

In the SQL Server RESTORE statement, in what time zone is the STOPAT argument?

SQL Server can perform point-in-time restores using the STOPAT argument. In what time zone is that date and time value? Is it UTC? Is it local for the server the backup was taken? Is it local for ...
0
votes
2answers
92 views

Can I improve this query?

SELECT * FROM SameLogTable WHERE ID_Table IN (SELECT ID_Table-1 FROM SameLogTable WHERE <SameCondition>) OR ID_Table IN (SELECT ID_Table ...
2
votes
1answer
140 views

Should I run a delete first before I execute index rebuild to a large table about 15 Million records

I need help for a better approach on how to approach this. Currently we have a table that is huge about 15 million records. We plan to create an index on this table however due to large size, we ...
0
votes
2answers
119 views

Using IF and other conditions in T-SQL (trying to import data from Oracle using SQL Server SSIS)

I am using SQL Server 2012 SSIS package to fetch data from Oracle and insert it into SQL Server 2012. I am doing it for the first time and every thing is fine i.e. all data from a particular table ...
1
vote
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 ...
1
vote
2answers
553 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 ...
5
votes
1answer
979 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] ( ...
1
vote
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 ...
2
votes
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 ...
1
vote
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 ...
0
votes
1answer
203 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
votes
1answer
253 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 ...
3
votes
1answer
239 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 ...
0
votes
2answers
208 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 ...
1
vote
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
votes
1answer
893 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], ...
2
votes
2answers
232 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
votes
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
votes
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 ...
4
votes
3answers
9k views

T SQL Table Valued Function to Split a Column on commas

I wrote a Table Valued Function in Microsoft SQL Server 2008 to take a comma delimited column in a database to spit out separate rows for each value. Ex: "one,two,three,four" would return a new table ...
3
votes
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 ...
0
votes
1answer
158 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 ...
1
vote
1answer
1k views

how to add attachment(text file) to database mail?

I have scenario Daily i run a sql job to apply a new updates to one table - this job will create one text file daily - text file contains all new updates I can send a mail to client that job is ...
7
votes
2answers
2k views

SQL Server Decimal(9, 0) vs INT

One of our customers uses for some columns the datatype DECIMAL(18,0) in his SQL Server 2008R2 database. Because the columns grow quite slowly, he recently proposed to change the datatype to ...
2
votes
1answer
406 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: ...
3
votes
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 ...
1
vote
0answers
156 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 ...
0
votes
0answers
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] ...
1
vote
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 ...
1
vote
0answers
1k views

DELETE failed because the following SET options have incorrect settings: 'ANSI_NULLS'

I have inherited a few scripts that are pumped through a c#.NET custom app to update a SQL2005 SP3 database. One of these scripts does a deletion on a user table called msw_timer_task, based on a ...
0
votes
1answer
136 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. ...
4
votes
1answer
246 views

Tips on improving/refactoring slow query?

Let's play lotto! Ok. I have a numbers table with 80 rows (numbers 1-80): create table dbo.numbers (knum tinyint primary key identity); I have a table with the drawid, and each number drawn. ...
4
votes
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 ...
1
vote
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 ...
-3
votes
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 ...
1
vote
1answer
547 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 ...
0
votes
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 ...
2
votes
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 ...
1
vote
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 ...