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

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T-SQL: Complete Database in one table

at a relational data model every logical relation is a single table with values and so on. I know someone who is this too much work and he wants to create only one table which contains all. This could ...
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1answer
63 views

How to transform this result set?

I have the result set above that I stuffing into a table variable @ApptTemp, and trying to transform it into something similar to the one below. Note that of the 4 rows that have a description of ...
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3answers
66 views

Query databases on different servers

How can I create a query that will find all the databases on different servers? I have four servers, PRDSVR, UATSVR, DEVSVR, TRNSVR; with either copies of the same database on each server or ...
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116 views

SQL Server and Entity Framework

We are currently experiencing a problem with Entity Framework which generates a sp_executesql statement. This statement is below. The statement runs fine in SQL Server however through the front end ...
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2answers
240 views

Update Statement takes forever to complete [closed]

I have table around 1250000 records, and 80 columns Table Structure CREATE TABLE [dbo].[Table] ( [Column1] [int] IDENTITY(1, 1) NOT FOR REPLICATION NOT NULL, [Column2] [int] NULL, [Column3] [int] ...
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1answer
30 views

Result set to eventvwr

I'm looking for a solution to the following case: I have a trace(only captures queries above 5000ms duration, which is about 20 per hour) running in MSSQL which I can query by using: SELECT ...
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1answer
244 views

Timestamp on SSIS update on tsql

I have a couple of SSIS packages that copy the content of several tables to another db. One of the columns updated in the process is a timestamp datatype. From what I read this datatype can't be ...
3
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1answer
202 views

SQL Server 2008 R2: query RECENT locks, NOT current locks

The database had average lock wait time of 30 seconds for a period of about a minute. I didn't run my lock query in time to see what was happening. I can't seem to find anything that shows recent ...
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1answer
61 views

How to retrieve whether database has any tables?

Knowing to use SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_TYPE='BASE TABLE' to query for a list of tables, I'm currently finding no way to retrieve a list of non-system tables only. I.e. ...
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1answer
145 views

Frequent Delete & Insert, impact on performance

In my application, we have very few updates. Most of the data gets deleted and inserted. My question is, how this will impact the performance? We are using SQL Server 2012. Table statistics (will ...
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2answers
214 views

why stored procedure performance is very high compared to plain select query

I have a table with more than 2 million rows, with needed indexes. When I run a simple query it takes so much time so I decide to stop executing it; while when I wrap the query in a stored procedure, ...
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0answers
104 views

incorrect value from SUM Function

Has anyone seen this before? When doing a simple sum on a table: select sum(column) from table where column is not null I'm receiving the data 1558.39999999999 However, investigation of the ...
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2answers
813 views

Reduce DB size - SQL Server, SSMS

One of my databases was growing in size a few gigs every day. That was very unusual since it is still in development phase. After small research i discovered that the Even Log table was almost the ...
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2answers
5k views

how to calculate difference of first row and last row fields value in each group

I have table with structure like this: +-------+------------------+ | Value | Date | +-------+------------------+ | 10 | 10/10/2010 10:00 | | 11 | 10/10/2010 10:15 | | 15 | ...
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2answers
55 views

Which one is better way to insert data? [closed]

I have two cases case create proc createEmployee @firstName varchar(255), @lastName varchar(255) = null as insert into Employee_Tbl values (@firstName, @lastName) case create proc ...
6
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3answers
3k views

Restrict update on certain columns. Only allow stored procedure to update those columns

I have sensitive price columns that I would like to have updated only through a stored procedure. I would like all code or manual attempts to alter values in these price columns to fail if it is not ...
2
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1answer
95 views

Avoiding Deadlocks

We currently have a trigger-based system in place that does the following: When records in certain tables are modified, a trigger fires that makes a field NULL in a varying number of records in ...
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1answer
157 views

Performance of dynamic SQL Server reporting queries?

I have to build an application that allows the end user to select what columns they want in their report. For this I build a dynamic T-SQL stored procedure. However, there are up to 60 columns ...
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2answers
620 views

Store output of sp_who2 in a table

I am looking for something like this, where I could store the output of sp_who2 in a table, without having to first create the table: create table test as exec sp_who2
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2answers
229 views

View scripts ran by a specific user?

I read in a stackoverflow post that you can restore scripts from the past 24 hours by using this query: Use <database> SELECT execquery.last_execution_time AS [Date Time], execsql.text AS ...
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1answer
416 views

How to dynamically generate rows based on value in a column

I'm attempting to write a query to denormalize some data for integrating to our data warehouse, specifically around generating some time slots. In my source system, I have table that has a start time ...
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0answers
201 views

SQL command in stored procedure continue on error

To perform Checkdb on all database of server i am using a stored procedure which loops over a view which contains list of databases in server and the stored procedure performs checkdb on all databases ...
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1answer
86 views

SQL Case Sensitive Query

I have two databases which return different results based on the case of the query. On the first database I run the query FROM [Temp].[Team].[CLASS] WHERE [TABLE_NAME] like '%Link%' and on ...
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1answer
35 views

Case when missing line logic

I have a case when statement in a extract query which doesn't seem to be returning what i'm expecting DECLARE @Val1 int, @Val2 int,@Val3 int, @Val4 int, @Val5 int SELECT @Val1 = 5 , @Val2= 2,@Val3= ...
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1answer
231 views

How to avoid a race condition with cross db proc calls? and other concerns

I am not even sure this question is necessary but I am curious to know everyone's thoughts. I have two databases on the same server, dbFoo, dbBar. dbFoo has the following table please note this is a ...
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2answers
150 views

Multicolumn statistics on large table yielding poor estimations

I have a rather large table (~200 million rows), and although the statistics are up to date using WITH FULLSCAN, is it possible that my histogram (limited to 200 steps) is simply too broad for the ...
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2answers
587 views

Expose temp tables to SSRS in stored procedure

Problem: Compare data of a given date range to the same data of up to 3 previous years, and display the tabular data and a graph in an SSRS report. However currently, my stored procedure that I have ...
3
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1answer
818 views

Mapping of multiple server logins to one database user

This seems to be a stupid question but despite some research I was unable to find any information regarding this only (possibly due to using the wrong terminology). Is it possible to log multiple ...
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1answer
454 views

Use of FROM keyword on DELETE statement

The BOL and many other sources point out: FROM Is an optional keyword that can be used between the DELETE keyword and the target table_or_view_name, or rowset_function_limited. I'm used to ...
3
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1answer
2k views

How to changes or update local server connection in Maintenance plan job

Two days back our client changed one of our Dev Server name After Server Renamed, All my maintenance jobs and other jobs are failing because server name mismatch. We are using sql server 2012 ...
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1answer
39 views

What is the difference between node types and atomic types in XML

Im Studying TSQL and I came to the chapter regarding XML, and here a question that I cannot find an answer: "What is the difference between node types and atomic types"? Thank you!
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2answers
254 views

T-SQL - Enforce Atomic Operations x Locks

I have a database model that works similar to a banking account (one table for operations, and a trigger to update the balance). I'm currently using SQL Server 2008 R2. Table OPERATIONS: VL_CREDIT ...
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1answer
73 views

TSQL Query - Efficient?

I want to output data that will display various results depending on Type and/or Quantity values. Each query calls the same table and returns the same columns. I was thinking of creating a UNION on ...
2
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1answer
177 views

SQL Server TDE stuck encryption state 4

I'm trying to create a robust script that runs backups, backs up current certificate, creates a new certificate, backs up new certificate and regenerates database encryption keys with the new ...
3
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1answer
229 views

How to replace “set rowcount”

Currently on SQL Server 2008/R2. I just read here that "set rowcount" is being deprecated in some post 2012 release: http://technet.microsoft.com/en-us/library/ms188774.aspx We have some legacy code ...
2
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1answer
102 views

Getting each status change in a table

I have a table that holds status changes per item. The item can go in and out of a status multiple times. ItemTable (ItemId int, Status varchar(50), DateOfChange date) I need to pull the date of ...
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1answer
3k views

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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1answer
213 views

Tips for using DML Statements [closed]

I've recently began learning T-SQL and have found that there are some rules to using single table queries. For instance: GROUP BY If aggregate and non-aggregate expressions are used together in a ...
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1answer
600 views

How can I create view with parameters in Sybase SQL Anywhere?

A view with Sybase cannot take parameters. Is there a way to do this?
4
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1answer
6k 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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1answer
355 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 ...
3
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1answer
83 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 ...
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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 ...
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2answers
268 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
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1answer
66 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
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1answer
289 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
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1answer
84 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' ...
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1answer
308 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 ...
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4answers
13k 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
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4answers
359 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 ...