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

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7
votes
1answer
753 views

What is the correct way to ensure unique entries in a temporal database design?

I'm having trouble with the design of a temporal database. I need to know how to make sure I have only one active record for any given timeframe for a store. I have read this answer, but I'm afraid I ...
3
votes
1answer
91 views

Select data divided in groups evenly distributed by value

I would like to select into 4 groups the data from a table having the sum of a values in the groups as evenly distributed possible. I am sure that I am not explaining it clear enough so I will try to ...
3
votes
1answer
71 views

Where clause from OUTER APPLY using LEFT function

What would be a good alternative to improve my where clause that currently uses the LEFT function? Should I create a persisted computed column and an index to it? SELECT --columns-- FROM ...
2
votes
0answers
46 views

Cross database - Table valued Stored Procedure

I have the same table type in two databases (DB1 and DB2), DB1 has an stored proc (sp1) which has the above type as an input parameter. Now, I want invoke this SP from DB2. But, I am getting this ...
2
votes
1answer
36 views

String parsing: Extracting the filename from a URL

This is a link I have in a column of a table: http://earthexplorer.usgs.gov/browse/etm/1/11/2000/LE70010112000130KIS00.jpg There are like 1000's of rows like this. Is it possible to extract the ...
6
votes
3answers
231 views

Updating a view on multiple joined tables

Since MSDN does not say much, what happens exactly if I execute the following query? update claims set status='Awaiting Auth.' where status = 'Approved' Can I use the ClaimStatusName column of the ...
2
votes
3answers
1k views

Excluding particular words from a string on a WHERE clause

I have a table that stores invoices and I'm trying to get stats out of it, unfortunately the table is poorly build and some crucial information is all mixed up on a nvarchar field, information such as ...
2
votes
2answers
89 views

DBCC Usage on production system

We have a system running SQL Server 2008 R2 on a Hyper-V VM (64GB RAM and 16 virtual cores). Another VM (the application server) within the system accesses the db server quite intensively for both ...
2
votes
2answers
208 views

Use Distinct With Sum?

I want to sum a few values using case statements. My problem is compiler complains if I do not add a group by to the end of the query, which then that negates my Distinct, hah. For example, in my ...
-2
votes
3answers
61 views

Extract Portion From A Decimal [closed]

I need to extract any value > .5 from a decimal. Here is sample ddl Create Table #b ( fv decimal(16,4) fv1 decimal(16,4) ) Insert Into #b (fv) Values ('.8032') How can I capture the .3032 and ...
3
votes
2answers
310 views

Convert int to RGB or hex color

I'm working with a database where colors are stored as integers. For some unknown reason, they are negative integers actually. Now, I need to use them in the CSS background-color property, which ...
2
votes
2answers
59 views

Finding and listing all columns in a SQL Server database with identity [duplicate]

I wanted to RESEED all the identity columns in that database, so I need to create a script so I can find out which column in which table has the identity property.
1
vote
1answer
34 views

How to combine 2 SQL statements into one?

I have these 2 SQL statements. Each year, I need to add the new one for the new DB. How can I write it so it will just work for the new years instead of me manually editing this each year? Is there a ...
0
votes
0answers
44 views

Query Freezes and SSMS Crashes

I feel like I have the syntax set on my query, but anytime I try to run this SSMS freezes and I have to reboot and once I get my PC back up and running no records have been updated. The table only ...
8
votes
2answers
12k views

How do I check for a null or empty table-valued parameter?

I have a stored procedure (SS2k8) with a couple table-valued parameters that will sometimes be null or empty. I have seen this StackOverflow post that says that null/empty TVPs should simply be ...
5
votes
1answer
958 views

Calculating Median Value within a Group By

I have a Stored Procedure which calculates the Mean duration of a request / response cycle within 10 minute intervals. This works well and suits my needs for plotting charts. What I would like to do ...
0
votes
0answers
11 views

Why is Echo statement in SQL query not writing in text file? [duplicate]

Following code is used for writing a number in the text file but instead it is writing "Echo is ON" into the text file. SET @CMD = 'ECHO '+@Ver+'>'+@Vercheck Print @CMD EXEC xp_cmdshell ...
1
vote
2answers
72 views

SQL Server: Query Efficiency Having vs Subquery

I have the following query where I used a sub query since I can't use aggregates in the where clause. SSMS suggested I use the HAVING clause but then I would need to group by all the other columns ...
2
votes
2answers
103 views

How do I create a SQL Agent Alert on a custom error message in SQL Server 2012?

I want operators to be notified when I throw a custom error message. My understanding is that I need to add a message to sys.messages, then I can either RAISERROR or THROW that error ID. Creating an ...
3
votes
1answer
166 views

SQL to Find Partial Duplicates of a Field

I have a table with a field for a member number. The table can contain records with duplicate values for this field and does. I have a SQL query that will obtain any duplicate values for this field, ...
26
votes
7answers
48k views

How can I tell if a SQL Server database is still being used?

We're looking to decommission a SQL Server instance which has a couple databases still remaining on it. How can I tell if they are still being used by users or a web application? I found a forum ...
0
votes
2answers
74 views

Format Phone Numbers In SQL Server

I am using SQL Server 2008 and I found this solution which is only for SQL Server 2012 - what is the equivelant to format a phone number in SQL Server 2008? FORMAT([PhoneField],'###-###-####')
3
votes
3answers
83 views

Sum values from child tables and ignore equal rows

I have two child tables with a value that must be summed separately and at the end the totals must be subtracted. The problem is that Child Table A and Child Table B can have 0 or more rows associated ...
3
votes
0answers
71 views

Query with sp_executesql returns nothing while query without it returns the result [closed]

I'm using MS SQL Server 2008 R2 through ORM in .NET application. This ORM uses ADO.NET, so any query will be wrapped in exec sp_executesql. One of the generated queries returns nothing, but it ...
3
votes
1answer
29 views

Split Field Every 1K Characters

I have a field that can hold up to 3000 characters. I need to split this field into 3 individual fields split1, split2, split3, I have successfully been able to figure out how to get the beginning, ...
5
votes
1answer
1k views

How do you get an average of job history times?

The following is a script I found online that has most of the elements of what I desire in the result set. The only thing missing is how I can get an average of the run times over a decided time ...
2
votes
1answer
51 views

Check 1 Table If No Data Check Second Table

I am passing into a stored procedure two variables @begindate & @enddate. I need to check firsttabletocheck and get a count of where csdate is between @begindate and @enddate. I then need to ...
-1
votes
1answer
34 views

How can I automate the creation of SQL Server Agent Notifications on job failure?

There are no alerts setup on any of my SQL Server Agent jobs ( for failure,severity code etc.). Is there is a script to help or do I have to create an alert manually for every single job?
11
votes
3answers
2k views

How does SQL Server store the information in Job Schedule Properties?

I know there is SELECT * FROM msdb..sysjobschedules, but that just shows the next time a job is scheduled to run. I want to know how this is all determined and stored. So where does it store the ...
2
votes
4answers
5k views

Null Or Multiple Parameters When Querying

I have a stored procedure that has a parameter that must take a comma delimited varchar list of values that can be turned into a table of values or can be NULL, such as @Values VARCHAR(10) = NULL ...
0
votes
1answer
2k views

How to show NULL results from query?

i'm trying to create a procedure with filters for search. If the parameter is "NULL" the value of parameter will be column value; Here my problem: When my parameter and column value is NULL. I have ...
0
votes
1answer
250 views

Geography union via cursor returning null

I need to combine multiple geography records into a single entity to store in a spatial data table, but I've learned that the only available function in MSSQL2008R2 that accomplishes this task is ...
-1
votes
1answer
1k 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 '' ...
12
votes
3answers
348 views

Create hierarchy of multiple levels where each node has a random number of children

I need to create some test data that involves a hierarchy. I could make it easy and do a couple of CROSS JOINs, but that would give me a structure that is completely uniform / without any variation. ...
5
votes
1answer
163 views

How to better use CLR Function from performance point of view (repeat inside each DB or have general function)?

I asked a question about validation of XML using XSD schema inside SQL Server 2012 (see link). I understand (as I suspected) that I need to use CLR Function. The function will get XSD schema text and ...
1
vote
1answer
79 views

How to increase performance of UPDATE of ~ 50.000.000 entries

We have a query that uses a temporary table to update certain columns in the database: CREATE TABLE #NEW_OLD ( NEW nvarchar(20), OLD nvarchar(20) ); INSERT INTO #NEW_OLD VALUES ...
3
votes
2answers
57 views

RIGHT() works in a SELECT but not in an UPDATE? [closed]

I am trying to run a script which does some work including stripping the leading two characters from the string inside each row of a column. To do this I am using RIGHT() and it works fine when I use ...
10
votes
5answers
2k views

Create a plan guide to cache (lazy spool) CTE result

I normally create plan guides by first constructing a query that uses the correct plan, and copying it across to the similar query that doesn't. However, that is sometimes tricky, especially if the ...
4
votes
2answers
1k 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 ...
7
votes
2answers
247 views

When running a script with several commands, how to find out where we're at?

I have some processes that require different steps to be taken before they start. For example: Disable check constraint on foreign key: select 'alter table '+fk.table_schema+'.'+fk.table_name +' ...
4
votes
2answers
606 views

Replace special characters in a column with space

I'm trying to write a query which replaces the special characters with space. Below code helps to identify the rows. (alpha-numeric characters, comma and space is valid): SELECT columnA FROM tableA ...
4
votes
1answer
3k views

How to set identity_insert to on in SQL Server

I get the command set identity_insert table_name on;, but for some reason it is not actually changing the attribute. I've done it with the account that I created the table with, and I've also created ...
1
vote
1answer
43 views

Update Int Field [closed]

Why is my table not getting updated? For example, if I run this statement alone, I have a value of 6 returned Select COUNT(*) from #madeupland where SOapproved IS NULL however, when it is run ...
0
votes
3answers
113 views

How to read and increment a number in text file using TSQL

I have a text file C:\abc.txt with a number 5 in the first line. I need to increment it into 6. Please help me with the T_SQL syntax. I have tried the following query to read the value but not able ...
6
votes
4answers
271 views

Multiple column concatenation

How to concatenate multiple columns in to a single row? For example: id name car 1 sam dodge 1 ram maserati 1 john benz 1 NULL mazda 2 kirk lexus 2 Jim ...
1
vote
1answer
41 views

Copy database to a remote server on daily basis

I need to replace the copy of my PROD db in a DEV system on a daily basis. The problem is that I haven't enough space in my DEV system to restore the PROD db. Is there any way to create a shrinked ...
0
votes
1answer
45 views

How can copy one column data of one table1 into other table2 column and other clumns table2 empty?

Here is my problem.I have two tables Stdd and result. stdd columns: id fname lname gender phonenum city result columns: physics chem math english urdu bio total id I want that in result table ...
4
votes
1answer
127 views

Validate XML using XSD inside TSQL function in SQL Server 2012?

I need to validate XML using XSD inside TSQL. To make this task semi automated I need to do this inside TSQL function. To make validation I have to set value to XML and if it is not valid I will ...
1
vote
1answer
50 views

Two If's And An Else [closed]

I am trying to run this t-sql query but I keep getting an error of Incorrect syntax near the keyword 'END' How should this be re-written in order to execute properly? What I want to achieve is ...
7
votes
2answers
292 views

How do I get Brent Ozar's sp_BlitzIndex to run on Azure?

I downloaded the SQL Server First Aid Kit from Brent Ozar's website. When I tried to run the sp_BlitzIndex script against my master database via Microsoft Sql Server Management Studio while logged in ...