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

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4
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1answer
209 views

How to avoid using Merge query when upserting multiple data using xml parameter?

I am trying to update a table with an array of values. Each item in the array contains information that matches a row in a table in the SQL db. If the row already exists in the table, we update that ...
1
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0answers
21 views

TSQL Stored Procedure - Granting general user access to specific sproc

I'm attempting to alter a sproc that needs the line added : grant exec on dbo.sproc_name to exec_proc. I believe the admin setup the exec_proc as a group. I added this grant line following the final ...
2
votes
1answer
130 views

Restoring a SQL Server 2012 database in high availability

I have a database which is in always-on high availability mode synchronized with another database on a different instance. How can I restore from a .bak file into the primary database using T-SQL? ...
0
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0answers
61 views

Export a varbinary column to file system using existing authentication

I want to export a varbinary column to a file system. I can use BCP command to export data from a varbinary column, which requires username and password being sent along with BCP command. I can use ...
1
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2answers
38 views

What is the correct query set up to access the columns in table being passed as parameter?

I am trying to use table-valued parameter to bulk upsert some data into my table. I have the following stored procedure. This setup seems to agree with the intellisense. I am not getting any errors ...
0
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0answers
18 views

Is it a good idea to use SSAS to predict hourly transactions?

So I've been working on this for quite some time but I run into so many obstacles that I am beginning to wonder if I am using the right tool for the job. My problem is pretty simple: I have several ...
-4
votes
1answer
55 views

Distinct count of 5 different fields based on multiple values?

I'm not sure how else to explain this so here is an example of what I am trying to accomplish. The problem with this, as you will quickly notice, is that there are repeats in the results. and there ...
4
votes
1answer
102 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 ...
3
votes
1answer
234 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
45 views

How do you copy a TDE-encrypted SQL Server database using T-SQL programatically?

I need to copy a TDE-encrypted SQL Server database to a separate, non-encrypted, SQL Server instance using T-SQL, but only by reading the schema of the source database. This is because I'm going to ...
0
votes
1answer
24 views

Find the remote userid causing updates on my table

Small question here. I found some answer close to it but not exactly what I'm looking for. Here is the situation: I have a SQL Server trigger on a table. Its task is to record the username (logon id) ...
1
vote
1answer
58 views

T-SQL Create Query - Compare and Calculate

I got a mini fantasy league (NBA) and would like some help with a query that turns averages into "ranking points". Basically I got two tables. Source table: This is a table with statistical per ...
2
votes
3answers
204 views

How to restore a database then upgrade it in a single SQL script?

I'm trying to write some SQL that will restore a backup if the database doesn't exist, then run SQL on the database. It is used for installing a database we received from a 3rd party in the form of a ...
1
vote
2answers
740 views

Update statement is giving an invalid column name error, even though the column exists

I have a temporary table created at the beginning of this stored procedure. It is created successfully and can be selected from and inserted to. Here is the create statement CREATE TABLE ...
1
vote
1answer
74 views

Get all the data between Characters [closed]

I am trying to extract all the variable from the following string; string = 'factor1|factor2|factor3' This is just a test string. In real string, I do not know the number of factors. What I want is ...
3
votes
1answer
204 views

How do you run T-SQL commands on multiple servers from one place?

I have some daily and weekly tasks where I run a script to get the required information. What is the way to running this code once and hitting all the servers without having to log into each one of ...
1
vote
2answers
155 views

Assigning new auto increment value [duplicate]

I have a table that is created as below. CREATE TABLE [dbo].[Table1]( [ID] [INT] IDENTITY(1,1) NOT NULL, [Title] [VARCHAR](255) NULL, ... Lets say that the latest ID is 100 ( I have 100 ...
0
votes
1answer
52 views

Validate a column to accept only certain age limit from birthdate given using check constraint [closed]

A business rule required my table to only registrater certain dob from bithDate column to be inserted or allow. I created the check constraint but i kind of having logical error i not able to spot ...
5
votes
1answer
300 views

How can I make this query sargable?

I have a query which joins two tables based on a timestamp value (don't ask). One of these tables stores the data in a column with a Timestamp data type. The other stores it as a varchar. ...
4
votes
3answers
157 views

Help with SQL Query to XML output

I have the following query: SELECT [ID] AS [NewID] , ( CASE WHEN LEN([MiddleName]) > 0 THEN [LastName] + ', ' + [FirstName] + ' ' + LEFT([MiddleName],1) + '.' ...
0
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0answers
27 views

Question? Creating a website that has 2 sets of intermidate tables

I am creating a web site that uses 6 tables from one database in mysql (example) 2 sets of tables that connect to intermediate tables (using foreign keys to join the tables). 1) Category -> ...
13
votes
2answers
279 views

Paging performance with customizable sorting over many millions of rows

In our application we have a grid where users can page over a large number of records (10-20 million). The grid supports sorting in ascending and descending order in a number of columns (20+). Many of ...
31
votes
6answers
1k views

Retrieving n rows per group

I often need to select a number of rows from each group in a result set. For example, I might want to list the 'n' highest or lowest recent order values per customer. In more complex cases, the ...
3
votes
2answers
107 views

Rebuilding indexes on a list of tables

I have a large number of tables that may change, may have infrequent changes in index, etc. I may well hand this off to somebody else and I don't want indexes to become overly fragmented, slowing the ...
5
votes
2answers
178 views

T-SQL brain teaser: find non-overlapping sets

I would like to ask for help coming up with a query, which can identify groups on non-overlapping records. Here is a sample scenario (admittedly contrived). Let's say I have employees who are ...
1
vote
1answer
42 views

How to join fixed row table against mapping table and reveal unmapped records

I have two tables and I am having trouble figuring out how to join them to meet my projection needs. Here is a scenario that illustrates the problem 1. The first table has a fixed set of values/rows; ...
6
votes
3answers
724 views

Is it advisable to use a temp table when the stored procedure could be run simultaneously by different users?

I am working on a stored procedure that retrieves the objectGUID from active directory. I am storing the result in a temp table and then returning the value in an output parameter for use with other ...
0
votes
1answer
60 views

Breaking a big insert query into smaller ones

I have the below INSERT query. It tries to insert over 50,000 rows and it fails because of logging. Is there a good way of splitting a query like this into batches of about 1000 or so with COMMIT ...
0
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0answers
21 views

Cursor brings back Null when run

I'm trying to create a proc which assists in creating an XMLSitepath. I am trying to use a cursor but its not behaving as it should. Please could someone take a look and tell me where I am going ...
2
votes
1answer
105 views

Results for every hour of the day even data if not present

I am trying to write a query to show the count of users for each hour of the day. If there is no data for that hour, I want to record the hour with a count of zero. Source data ...
1
vote
2answers
107 views

Filling in date holes in grouped-by-date SQL data

The actual problem involves far more data and joins, but I've created a small sample to demonstrate the issue: -- create example table DROP TABLE dbo.EventRecords GO CREATE TABLE dbo.EventRecords ...
1
vote
2answers
72 views

How do I return data from a table where the data is the max date of the previous month's data submissions (-1 of current date)?

I have a stored procedure where I select the latest/max submit_date data for a tracker_date and client from a source table called Tracker_Live, and insert it into a new table called ...
5
votes
5answers
6k views

Why can't I use a CASE statement to see if a column exists and not SELECT from it?

Why does something like this not work? SELECT CASE WHEN NULLIF(COL_LENGTH('Customers', 'Somecol'), '') IS NULL THEN NULL ELSE Somecol END AS MyTest FROM Customers; I am just checking if the column ...
1
vote
1answer
105 views

Is someone trying to hack into my SQL Server Database?

I was asked by a friend, who isn't technical at all, to help her with her application. I thought I would just being doing a little C# development and some SQL queries. Turns out it has been a lot ...
0
votes
2answers
62 views

Does it make sense to order condition in where query?

We have a clustered index in table Tbl with order of A,B,C. Does it make senses to write a query to have WHERE A = @a, B = @b, C = @c or it'll be as same as WHERE C = @c, B = @b, A = @a Does the ...
4
votes
1answer
139 views

Get minimal logging when loading data into temporary tables

After reading The Data Loading Performance Guide I am unsure if its necessary to add the TABLOCK table hint to an empty temporary table, defined with a clustered index in order to get minimal logging. ...
3
votes
2answers
292 views

SET DATEFORMAT problems

I have some doubts about SET DATEFORMAT command. 1)Does this command is only used for inserting and updating date format and it does not effect the date format of that column? OR does this effect my ...
1
vote
0answers
94 views

Most Efficent way WHERE [Date] = Today [duplicate]

Was wondering what would be the most efficient way to get data from today, does converting the date something like WHERE CONVERT(CHAR(8),[DateTimeColumn],112) = CONVERT(CHAR(8),GETDATE(),112) Not ...
6
votes
1answer
147 views

What is the difference between <> All and Not In

Could you please tell me the differences between select CustomerId from Customer Where TerritoryId <> All(select TerritoryId from Salesperson) select CustomerId from Customer where TerritoryId ...
5
votes
1answer
247 views

View designer strange join syntax

I have a data warehouse with a lot of views built in with the SSMS view designer. Viewing the syntax, the FROM clauses are unintelligible to me because the ON statements do not follow straight after ...
1
vote
2answers
94 views

Reuse a complex non-deterministic expression in SELECT and WHERE clauses

I have a query like this: -- This is inefficient, and may even be wrong if expression is nondeterministic SELECT TOP 10 team_name,score_points=<big expression> FROM teams WHERE <big ...
11
votes
1answer
816 views

How can I make a query to take a specific amount of time?

I am testing a monitoring application against a SQL Server 2000 instance. How can I write a T-SQL query that takes an amount of time that I specify? For example, most scripting languages have ...
4
votes
6answers
1k views

Select rows with same id but null and some other value in another column for that id

I want to get only rows having a value NULL and some other value than NULL for a particular username column. If both rows have null for that particular username or both have some values other than ...
0
votes
4answers
50 views

Setting Select Permission on 100+ tables in a database

I got the 'Select permission denied' error for some of my tables in a database. In MS SQL Server 2012, setting Select Permission on 1 table is easy. I just right click on the table > Properties ...
4
votes
1answer
12k views

Invalid use of a side-effecting operator 'INSERT' within a function - Multiple Inserts in Function

If this is not the right forum please let me know and move it for me. I've just got a bunch of inserts like this toward the end of my scalar function: INSERT INTO [Raptor].[dbo].[UserRole] ...
2
votes
1answer
184 views

Why choose a top query and temporary table instead of a cursor for a loop?

When it comes to looping over a large set of data in T-SQL, the majority of examples I see on the Internet use a pattern like this: declare @someVariable int declare @remainingRows int select ...
0
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1answer
49 views

Dynamic Pivot with overlapping years

I have looked and cannot find how to show the last # months in a pivot table. Everything I seem to run across codes months statically. I'm seeking a solution that shows something similar to the ...
1
vote
1answer
72 views

How to get the dependent entities (referencing entities) for an User Defined Function (UDF)

We have a database that has been copied, including stored procedures and some user defined functions. I'd like to check whether a UDF is being used. Is there a way to see which stored procedures ...
1
vote
2answers
120 views

Writing a large update/delete script that doesn't provoke locks

While running a T-SQL script that is performing massive amounts of deletes, I had the unpleasant experience of causing some sort of lock contention that prevented inserts of data in some tables for ...
1
vote
0answers
61 views

Non clustered indexes

I have a questions on Index Our Application is throwing the following SQL eroor Index 'INDEXNAME' on table 'dbo.TABLENAME' (specified in the FROM clause) does not exist. Error: Unknown Error ...