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

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2
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1answer
58 views

Inserting variables into another variable

I've been working on the code below. I'm trying to insert results of a declared variable into a sql statement. I've highlighted the section below that I'm talking about. What am I doing wrong here? ...
0
votes
0answers
19 views

Attempting to Pivot a column of grades and coming up with NULL values

I have Data in a table that i'm attempting to pivot from rows to columns, and the script im using is working, but the pivot is coming up with NULL for everything. Here's the source data: ...
-4
votes
0answers
26 views

Stored Procedure for Phone number format to e.164 standard [on hold]

I'm trying to create a stored procedure with a parameter to check if a numbers column is in e.164 standard. How can I verify if is a e.164 standard of phone numbers? The standard :[+][country ...
1
vote
2answers
100 views

Extracting an an integer value from an xml column

I'm just wondering how I can extract an integer out of an XML column. Currently all the digits are 4 which the below query is able to do. But the number is going to grow to 10,000's soon which will ...
-4
votes
2answers
55 views

sql server date issue [closed]

I have a select statement that when run on the live production server, returns mm-dd-yyyy regardless of what I do. this only happens though when selecting the date from an another aliased select. ...
2
votes
2answers
3k views

exist (select * from my table)

My colleague suggests that Query 1 should run faster than Query 2. If it's true, please anyone explain me the reason. Thanks. Query (1): IF ( SELECT COUNT(UnitTrustCounterId) FROM ...
0
votes
2answers
78 views

Tsql Query speed slow due to Or within where clause, causing index scan instead of seek

I have been working on making this query work more efficiently. I found that the number of Ors within the where clause are the biggest problem within this query. This query sits in a stored ...
1
vote
2answers
303 views

semaphore in SQL Server

I wrote a stored procedure in sql to take a number from table. it has lots on records which has only column. whenever a call it , is should take the first record and return it after that delete the ...
1
vote
1answer
16 views

Connection refused when adding ApplicationIntent

Environment : AlwaysOn HA group, 2 nodes, 1 database, SQL2012, Server2012R2. Here is my .NET C# code : string connectionString = ...
5
votes
5answers
29k views

Writing select result to a csv file

We need to write the SELECT query results to a csv file. How can it be done using T-SQL in SQL Server 2008 r2? I know that it can be done in SSIS, but for some reasons, we don't have this option. I ...
0
votes
1answer
32 views

Update specific records of table based on subquery's output (sql server)

have this query which produce below output : select sec.site,sec.Name,sec.Freq from ( select Name from sec group by name having count(Freq) > 3)as dt inner join sec on dt.Name = sec.Name where ...
3
votes
1answer
271 views

SQL Script to Drop old AD logins, Inactive SQL Logins and all related Users

Related Question: SQL Server script to delete accounts no longer in Active Directory Whilst the above question points out the rather handy sp_validatelogins procedure, i'd like to extend this ...
1
vote
2answers
96 views

How to add an “INCLUDE” part in an Index Created as a part of CONSTRAINT

I am going through the execution plan of a tsql query. There is a key LookUp (Clustered) in the plan. To avoid this Key LookUp, I tried to Include a column (Status_Ind) to The Index (The Index ...
0
votes
0answers
10 views

Curious Regarding filtering behaviour and performance of where condition

So i have completed the clean up of SQL code that involves four set of queries that partially do the same filtering in where condition , while the rest of the part do their own task specific to each ...
0
votes
0answers
42 views

LIKE or CHARINDEX to check String Contains a Substring [duplicate]

To check a string contains a sub string or not we can use [LIKE] or [CHARINDEX]. I know that like uses indexing in case we have name%.(while %name% may not use index) .Also charindex does not use ...
2
votes
1answer
80 views

Converting Cursor based filtering logic to CTE based

I have a cursor that runs long for about minutes which I was able to reduce to run in seconds using a CTE (Common Table Expressions). The result set was identical until there was given a condition ...
0
votes
1answer
33 views

Simplifying query by adding Computed Column, performance impact?

The dev team came across the following query (might be incomplete; it's retyped from a screenshot) which had caused slowness: SELECT d.catalogno, d.itemid, SUM(lineamount+taxamount) AS Amount, ...
0
votes
1answer
156 views

How to create a versioning DDL/DML change script for SQL Server?

I have an application which has a database, and some versions of the application introduce schema changes. To make installation easier (?), I figured I want to create a meta table which contains the ...
1
vote
1answer
232 views

Using TOP and getting different result sets

I am trying to write an efficient query for deleting chunks of data. To this end I hoped to avoid an index scan by using the primary key to get the oldest records. However I'm seeing some unexpected ...
201
votes
4answers
46k views

What's the difference between a temp table and table variable in SQL Server?

This seems to be an area with quite a few myths and conflicting views. So what is the difference between a table variable and a local temporary table in SQL Server?
1
vote
3answers
77 views

How to query for records based on most recent version

I have the following table structure ID, ORDERNUMBER, DATE, STATUS 1, 1, 1-1-01, proposal 2, 1, 1-2-01, proposal 3, 1, 1-3-01, active 4, 2, 1-1-02, proposal 5, 2, 1-2-02, cancelled 6, 3, 1-1-03, ...
-1
votes
2answers
96 views

Remove a character from a records enclosed between double quotes

Hi I table in which every row have data like: 0150566115,"HEALTH 401K","IC,ON","ICON HEALTH 401K",,,1,08/21/2014 What i want is to remove every comma(,) that is enclosed between double quotes " ". ...
3
votes
2answers
920 views

Problem with Czech collation Czech_CI_AI in MS SQL Server 2008 R2

I have the following issue with accent insensitive search in Czech language. My database is set to Czech_CI_AI collation. For some diacritics system works correctly (ie. I), but for some does not (ie. ...
3
votes
1answer
115 views

When to use With Recompile

I know what With Recompile means, and I know that it is not suggested at most of the times due to performance issues, no dmv's, etc.. Sometimes there are cases that it may help, but OPTION(RECOMPILE) ...
-1
votes
0answers
24 views

Does a DELETE/UPDATE query based on a large SELECT query cause deadlocks and can it be improved?

I've noticed DELETE and UPDATE queries that are based upon a large SELECT statement such as NOT IN (SELECT ID FROM LARGE_TABLE) are often ending up with deadlocks. Is this causing deadlocks and if so ...
2
votes
2answers
308 views

What is the best way to get all data for a date range, plus the last event just before the range?

For this question assume the following: There is a table of events [Event] There is a table of employees [Employee] There is a table that relates the two [EventEmployee] (EventID + EmployeeID) Each ...
0
votes
0answers
31 views

Using CASE in CHECK Constraint [duplicate]

I cannot get SQL Server to parse my query as I tried to alter a table and add a constraint. like this: ALTER TABLE TaxVal ADD CONSTRAINT ch_taxVal CHECK (CASE WHEN Col1 IS NOT NULL THEN Col2 = 1 ELSE ...
-3
votes
2answers
107 views

Inserting data based on different conditons

Though , i put my efforts in making question easy to understand , but i still dnt know whats going wrong . Anyways , im trying to make it more compact I have below table now only : In column number ...
1
vote
1answer
373 views

SQL Server 2008 R2 Database Diagram Error Code

I have sysadmin privileges on a SQL Server 2008 R2 server. I'm working with the development database and want to save a database diagram I created. When I try to save I get the following error ...
0
votes
1answer
450 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 ...
1
vote
2answers
181 views

How to get Identity Column to jump ahead (by say 1000) on SQL Server 2012

I am using SQL Server 2012 and I would like to keep my pre-existing data but to cause the ID (identity) column to skip by 2000 rows. Why is this happening? I have a scenario where I may have ...
2
votes
1answer
110 views

How to find number of days since beginning of fiscal month?

This relates to my question How to find XXth day of previous month in SQL server? The fiscal month starts on 26th of each month. I need to find out from any date: The date of the start of the ...
4
votes
4answers
11k 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 ...
2
votes
1answer
89 views

Finding rows with duplicate values

I have a one to many relationship between the Account table and a ScheduledPayment table. One account can have many payments but there should be a maximum of one payment per day. Although unlikely, ...
2
votes
0answers
55 views

Avoiding Functions() in the Where clause

Okay, while analyzing queries against a SQL Server 2008 R2 database, I happened upon the following query: (@p__linq__0 nvarchar(4000)) SELECT TOP (1) [Extent1].[OrderSOId] AS [OrderSOId], [Extent1] ...
3
votes
1answer
84 views

Single year column and multiple weeks columns into single year/week column with PIVOT

I have a table that looks roughly like this. (Pk int, Year int, Week1, Week2, .., Week53) The values in each "Week" column are sales data. What I want to do is create a new table from the first ...
0
votes
2answers
149 views

Stored Procedure null parameter within where clause

I want to use a parameter within where clause only if it's value is provided by strongly typed dataset, this is what I am trying at the moment, I get right results when I provide parameter3 and no ...
1
vote
1answer
58 views

What relevance does the table-level ANSI_NULL setting have?

Apparently, SQL Server stores the current ANSI_NULL setting when creating a table (see related questions here and here). However, when I execute SELECT * FROM myVeryOldTable WHERE ...
2
votes
3answers
295 views

How to pull rows only from the weekends?

My table data is like this: ID Name salary date 1 a 100 1/08/2014 2 b 200 2/08/2014 . . . . 26 z 2600 26/8/2014 Now I want to return only rows from Saturday or ...
0
votes
1answer
35 views

Backup/restore using OPENDATASOURCE OR OPENROWSET

Has anyone ever successfully taken a backup or restore to another server using OPENDATASOURCE/OPENROWSET? I am not able to use linked servers so I am exploring this idea.
2
votes
1answer
57 views

Strange behaviours with SET options in SSMS

I am investigating the effect of various SET options on the creation of indexed views on SQL Server 2014 CU1. The following code: ensures that the SET options are as they should be creates a table ...
0
votes
1answer
40 views

Derive daily delta from total daily counts? Tsql

I have a table with columns: ID, tableName, totalRowCount, Date Each day I'm appending the number of rows in the relevant table. What I want to do is create a table which has the number of new ...
0
votes
2answers
68 views

How to escape '%' inside varchar @params for RAISERROR funcion in SQL Server 2012

How I should escape the % character in params so my RAISERROR retun my message declare @msg varchar(max) = (SELECT ' Message with % ' AS MSG) if @msg is not null begin RAISERROR (@msg ,16,1); ...
0
votes
1answer
48 views

Difference between character_maximum_length and character_octet_length

Maybe there is an answer for this somewhere but, I couldn't find any efficient answer on Google for this question, therefore, I will ask this here. I wanted to get some information about my Stored ...
1
vote
1answer
43 views

Group by alternative [closed]

I have a table , that has a generic set of actions for EVERY user. However if there is a user that needs to have a unique action, that replaces an existing action, then in my query, I want to ...
4
votes
0answers
52 views

Why is it @@SERVERNAME but not @@DBNAME? [closed]

I'm just curious: To get the server name, I use SELECT @@SERVERNAME but to get the current database name, I use SELECT DB_NAME() Technically, both seem to be scalar functions: @@SERVERNAME is ...
0
votes
1answer
144 views

Shrink Transaction Log While Using AlwaysOn Availability Group

We are using AlwaysOn Availability Group feature of SQL Server 2012. Regular full database backups and transaction log backups are done every day on the secondary database. I have read here doing the ...
0
votes
1answer
114 views

Script that alters all stored procedure on the database

I have a database with thousands of stored procedures and I need to alter hundreds of them. In order to do it faster I thought of a way to write a script that runs over all stored procedures and adds ...
0
votes
1answer
115 views

How to reduce the run time of stored procedure by getting rid of cursors?

I have a task of reducing the run time of a stored procedure that runs for hours. Description of task: The cursor takes a set of values @Master and @Slave obtained from a query(5000+ rows), finds ...
0
votes
3answers
41 views

List all tables that a specific login has permissions [duplicate]

This might be repetitive, but I haven't found a solution that serves my purpose 100%. What I'd like to achieve is to have a script (or SP) that'll list all tables that a user has permissions on. Any ...