Datetime vs Timestamp Sql Server
This question already has an answer here: What is difference between datetime and timestamp 2 answers What is the difference between Timestamp and Datetime SQL Server? I thought Both formats are...
View ArticleHow Can I Determine Installed Sql Server Instances and Their Versions
I’m trying to determine what instances of sql server/sql express I have installed (either manually or programmatically) but all of the examples are telling me to run a SQL query to determine this...
View ArticleSql Select Statement to Find Duplicates on Certain Fields
Can you help me with SQL statements to find duplicates on multiple fields? For example, in pseudo code: select count(field1,field2,field3) from table where the combination of field1, field2, field3...
View ArticleHow to Remove a Column from an Existing Table
How to remove a column from an existing table? I have a table MEN with Fname and Lname I need to remove the Lname How to do it? Solution ALTER TABLE MEN DROP COLUMN Lname The post How to Remove a...
View ArticleHow to Execute a Stored Procedure Within C# Program
I can do a Delete insert, update actually in my program, and I try to do an insert by call a created Store Procedure from my Data Base. This a button insert I make work well. private void...
View ArticleHow to Insert a Line Break in a Sql Server Varchar/Nvarchar String
I didn’t see any similar questions asked on this topic, and I had to research this for something I’m working on right now. Thought I would post the answer for it in case anyone else had the same...
View ArticleFind All Tables Containing Column With Specified Name
How can I get a list of all the tables that have a specific column name? Solution Pretty simple on a per database level Use DatabaseName Select * From INFORMATION_SCHEMA.COLUMNS Where column_name =...
View ArticleGet Day of Week in SQL 2005/2008
Say I have a date 01/01/2009, I want to find out what day it was e.g. Monday, Tuesday, etc… Is there a built in function for this in Sql2005/2008? Or do I need to use an auxiliary table? Solution use...
View ArticleHow to Select the Nth Row in a SQL Database Table
I have an SQL Query that i’m running but I only want to select a specific row. For example lets say my query was: Select * from Comments Lets say this returns 10 rows, I only want to select the 8th...
View ArticleEnable Remote Connections for SQL Server Express 2012
I just installed SQL Server Express 2012 on my home server. I’m trying to connect to it from Visual Studio 2012 from my desktop PC, and repeatedly getting the well-known error: A network-related or...
View ArticleHow Can I Get Column Names from a Table in SQL Server
Please can someone show me how I would return the column names of a table using SQL server 2008? i.e. a table contains the columns id, name, address, country and I want to return these as data? Thank...
View ArticleDifference Between Exists and Join in Sql
Below is the code sample: CREATE TABLE #titles( title_id varchar(20), title varchar(80) NOT NULL, type char(12) NOT NULL, pub_id char(4) NULL, price money NULL, advance money NULL, royalty int NULL,...
View ArticleHow Do I Check if a Sql Server String Is Null or Empty
if((isnull(@value,''))='') I want to know whether the above piece of code works in checking if the variable is null or empty. Solution Yes, that code does exactly that. You can also use: if (@value is...
View ArticleGet Size of Tables in Database
I have inherited a fairly large SQL Server database. It seems to take up more space than I would expect, given the data it contains. Is there an easy way to determine how much space on disk each table...
View ArticleExecute Stored Procedure With an Output Parameter
I have a stored procedure that I am trying to test. I am trying to test it through SQL Management Studio. In order to run this test I enter … exec my_stored_procedure 'param1Value', 'param2Value' The...
View ArticleSql Server Select Into Variable Table Name
i am trying to execute this query: declare @tablename varchar(50) set @tablename = 'test' select * from @tablename This produces the following error: Msg 1087, Level 16, State 1, Line 5 Must declare...
View ArticleSql Server Select Into Variable
I have the following code in one of my Sql (2008) Stored Procs which executes perfectly fine: CREATE PROCEDURE [dbo].[Item_AddItem] @CustomerId uniqueidentifier, @Description nvarchar(100), @Type int,...
View ArticleSql Server Select Into Variable Table
Got a complex SELECT query, from which I would like to insert all rows into a table variable, but T-SQL doesn’t allow it. Along the same lines, you cannot use a table variable with SELECT INTO or...
View ArticleAdding Identity Property to Existing Column
In SQL Server (in my case, 2005) how can I add the identity property to an existing table coulumn using t-sql? something like: alter table tblFoo alter column bar identity(1,1) Solution I don’t...
View ArticleAdding an Identity Column to an Existing Table Sql Server
I want to add a column to an existing legacy database and write a procedure by which I can assign each record a different value. Something like add a column and autogenerate the data for it. Like, if...
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