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

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8
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2answers
929 views

Does MERGE use tempdb?

Consider the following query: MERGE [Parameter] with (rowlock) AS target USING (SELECT @AreaId, @ParameterTypeId, @Value) AS source (AreaId, ParameterTypeId, Value) ON ...
0
votes
1answer
2k views

Stored procedure to compare two columns from different tables and make the insert

I have two tables: Project with fields fld_id (integer), fld_allocated_hours (integer), fld_project_id (integer) Timesheet with columns fld_id (integer), fld_allocated_time (integer), ...
9
votes
1answer
1k views

TSQL Why is Top faster with a variable?

Morning all, I have been working on some moderately complex sql to 'obtain' some data from a third party products database, to display it in our own in house applications. I added in a select to ...
1
vote
3answers
1k views

Select only rows with minimum values from union table

SQL Server 2005 Here is a sampling of the data from a union of two tables (named "vProducts_All"): DBID UPC Price1 Price2 1 023614025559 689.0000 649.0000 2 ...
0
votes
2answers
324 views

SQL: TSQL to Find invalid views

we have a Tuesday/Thursday Maint window for one application we support. On Tuesdays we modify one facility and thursday if there are no errors we roll all the changes out to the other facilities. The ...
1
vote
2answers
604 views

TSQL substitute for MAX() string ranking

I have a table with repeating values (col1) and I need to return col2 based on a ranking system. In my example the ranking system is handled by MAX() giving me the highest value. I then return the ...
0
votes
1answer
387 views

Using a string with single quotes in a table

I'm trying to insert the following string, as written, into a table: 'affinity mask', 0 However I can't figure out how exactly I need to escape the quotes. It always wants to treat the , 0 as a ...
3
votes
1answer
1k views

Is there a way to minimally log insert under Always on?

I have a primary database in FULL recovery mode which is part of Always On group. Is there a way to minimally log insert operation under FULL recovery model? I have a process that is executed each ...
0
votes
2answers
804 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 ...
2
votes
4answers
509 views

Saving a variable globally in SQL server it self and use it when required

We are using ENCRYPTBYPASSPHRASE to encrypt some columns of some database. To decrypt the values every time we need to pass passphrase with DECRYPTBYPASSPHRASE. So I planned to create a stored ...
0
votes
2answers
212 views

Restore Database with Multiple Restore commands

For automation, I have to dynamically construct the restore commands and thus I have created a script. A .bak file is created on a remote server and I receive it daily. The script builds the restore ...
0
votes
1answer
107 views

Reducing size of datatype involved in index fails where as increasing size work

This question is related to my previous question Database events that will cause deletion of index For example if i create a table like CREATE TABLE dbo.Customers (ID INT IDENTITY(1,1) PRIMARY KEY ...
0
votes
1answer
280 views

12 hour format time in SQL datatype

I can convert time datatype to 12 hour format using convert etc. But is there any option to save the time in 12 hour format in SQL tables using any settings or property or any other methods?
3
votes
2answers
3k views

Physical Server or a Virtual Machine SQL Server?

Is there a anyway to figure out via a SQL Script to know whether SQL Server is running on a Physical Server or Virtual Server ?
4
votes
3answers
2k views

SET IDENTITY_INSERT inside INSTEAD OF INSERT trigger not working

I'm trying to perform a indentity insert inside a instead of insert trigger, but when I try to insert data into the data, it throws and error msg "Msg 544, Level 16, State 1, Line 36 Cannot insert ...
0
votes
0answers
53 views

select random tuples but prefer old dates

With this table: CREATE TABLE T_TEST ( id int identity, somevalue varchar(256), lastupdate smalldatetime ); i want to select n random tuples which age is older than x days but prefer old tuples ...
2
votes
1answer
2k views

Bitwise operators affecting performance

I have recently seen some stored procs coming my way that contain BITWISE operators that are causing the optimizer problems. I know from playing with execution plans that these are the cause of the ...
4
votes
2answers
12k views

A Script to insert dummy Data in all tables of Database

I wanted a Script that can loop through all tables and their columns in the database and insert dummy data based on column type and size, so that i can start using the database for testing, and ...
2
votes
2answers
945 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
1answer
3k views

Invalid object when selecting from temporary table

I'm creating a temporary table called #PrevStatus. I've confirmed that the create statement is correct. When I run, exec (@TableQuery) which contains the table create statement and then right ...
1
vote
3answers
2k views

Change DateTime format

How can i return a date only format (DD/MM/YYYY) from a DateTime format column? example below Modified Date 2007-09-01 02:00:00.000 2005-09-01 05:00:00.000 Output: Date 09-01-2007 09-01-2005
2
votes
2answers
116 views

How can I use expressions as arguments to EXEC?

I am building some scripts and found an annoyance to be that I can't provide expressions as arguments to EXEC. Here is an example I have run into. I want to setup various items using a consistent ...
0
votes
1answer
539 views

How to set a restart on a TSQL Job?

I currently have an important TSQL job that hangs probably once a week. It moves data from one database to another. It is on a schedule running every 5 minutes indefinitely throughout the day. ...
1
vote
1answer
127 views

SQL Server 2008 and constant expressions

If I have the following scenario, would Replace be evaluated a single time? DECLARE @text nvarchar(32) = 'This is a test field' SELECT textField FROM Table WHERE Id = @idICareAbout AND textField = ...
12
votes
2answers
394 views

Unexpected results with random numbers and join types

I have a simple script that gets four random numbers (1 through 4) and then joins back to get the matching database_id number. When I run the script with a LEFT JOIN, I get four rows back every time ...
1
vote
0answers
79 views

Foreign Key constraint remain untrusted and disabled even after ALTER TABLE CHECK CHECK CONSTRAINT command [closed]

In this database I support, there are more than a few FK constraints set as disabled or untrusted. I'm using this querys to find that out: SELECT 'ALTER TABLE [' + s.name + '].[' + o.name + '] WITH ...
3
votes
2answers
8k views

How to use local variable in USE statement

How to use local variable in USE statement? I get error: Msg 911, Level 16, State 1, Line 6 Database 'DWSource_@Country' does not exist. Make sure that the name is entered correctly. Code: ...
3
votes
2answers
364 views

Using collate: When to use and when not to use

In one of my applications we had tsql like shown below SELECT DISTINCT [Dblist].[DbName] AS [DbName] FROM [Common].dbo.[Dblist] WHERE dbname not in ( SELECT [name] FROM ...
4
votes
3answers
3k views

How to run sql agent jobs in a sequence order.with T-sql

My requirement is to run the SQL Agent jobs (EX: job1 to job10) with T-sql in a sequence order. That means job2 starts automatically when job1 completes. This process should continue until job10 ...
3
votes
1answer
88 views

How to join by most recent preceding date?

Imagine I have a database with historic price data and a second table with dates Item | Price | Date Customer | Item | date ------------------------- --------------------------- ...
12
votes
5answers
96k 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 ...
1
vote
0answers
141 views

What is the bare minimum access needed in the public role?

I need to lock down access to a specific database for a user - they should only have access to execute a couple of stored procedures. However, by default the user gets everything in the "public" ...
0
votes
0answers
495 views

How to check if all the extendend stored procedures (xp_) are enabled or disabled?

These are the stored procedures that I want to check if they are enabled or disabled. xp_availablemedia xp_cmdshell xp_deletemail xp_dirtree xp_dropwebtask xp_enumerrorlogs xp_enumgroups ...
1
vote
1answer
261 views

CTE returns an empty set even though anchor is non-empty

I'm got an adjacency list consisting of two tables: CREATE TABLE permission (id SMALLINT AUTO_INCREMENT(-32768, 1) PRIMARY KEY); CREATE TABLE permission_graph (parent_id SMALLINT NOT NULL, child_id ...
0
votes
2answers
552 views

capture output of table-valued function

Is it possible to capture output of table-valued function? For example, function is defined as follows. CREATE FUNCTION [dbo].[ufn_MyFunction] ( @ItemId INT ) RETURNS @ReturnTable TABLE ( ...
0
votes
1answer
57 views

split string for calculations

I'm doing some basic statistical calculations on the results of a survey. A survey consists of several sections and each section has some questions in it. The answers to each question in each section ...
0
votes
2answers
187 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 ...
5
votes
1answer
20k views

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 ...
2
votes
1answer
1k views

View with parameters in Sybase SQL Anywhere

A view with Sybase engine cannot take parameters. Is there a way to do this?
0
votes
0answers
250 views

SA Admin SQL-Server 2012 x64 keeps changing constantly

I know this is a newbie question, but really I can't find some precise info on this issue. I'm trying to figure out how to create a new user with admin server role on SQL Server 2012 x64. I mean, I ...
0
votes
2answers
201 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 ...
7
votes
4answers
6k views

How does SQL Server determine precision / scale?

I'm running SQL Server 2012 SELECT 0.15 * 30 / 360, 0.15 / 360 * 30 Results: 0.012500, 0.012480 This one is even mor confusing to me: DECLARE @N INT = 360 DECLARE @I ...
1
vote
1answer
51 views

Separating system databases from MDW SQL Server 2008 R2

We have the Management Datawarehouse feature configure on two of our SQL Servers. Both point to the same central database and upload their results to it. Everything works fine with the built in ...
0
votes
1answer
156 views

Select complete next row based on the current row

Hi i have a complicated condition. I have a table lets say 'Test' ID Partner Type Amount 143854 CSTC Purchase -0.81 144029 CSTC Purchase -0.69 144030 CSTC Purchase ...
1
vote
3answers
3k views

Extracting an an integer value from an xml column [closed]

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 ...
0
votes
1answer
898 views

T-SQL How to Pivot on the Values of a Table? [duplicate]

How do you pivot a table on the value in the field? I have to admit that while I can write some pretty nifty queries, have my CTEs down, and enjoy a wide knowledge of T-SQL programming, Pivots get ...
3
votes
1answer
374 views

Inserting variables into another variable [closed]

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? ...
-4
votes
2answers
63 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
22k 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
1k 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 ...