How To Autoincrement ID

Mar 26, 2007

i have a table for storing username and password.
the following are the fields in table
ID -int
UserName-nvarchar(50)
Password-nvarchar(50)

i dont want to have a separate field for id
i want to autincrement them
plz give me an idea
am using SQLServer Express
am new to this field so plz forgive me for this simple question

thanks
Shruthi

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Autoincrement

Sep 20, 2006

hi,

does anybody know how to create an identity column in a query without having to use the into clause?

for example, i want to do the following:

select *,identity(int,0,1) as myId
from myTable

but this is not allowed

thank you

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Apr 4, 2006

in mysql the primary key has the possibility tu autoincrement herself

can it be done in MS SQL ??? how

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Apr 10, 2008

 Hi  All        I am using SQL server Database in one of my table there is a column which is set to Identity=Yes i.e., The ID is increment by one on every insert and if  the insertion failed then the id generated goes off then in the next generation it uses new id ..........EXfirst insertion id=1 then in the second insertion if while adding data to other rows if i get some error  then the id 2 is not used and when i correct the error and insert it then id=3? can any one give me the solution for this and NextWhen i delete the datafrom the table see the ids are upto 20 and i delete all the records from the table after insertion of new  record the id will be 21plese help me in this  

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Dec 10, 2004

hi,
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Jun 24, 2008

Hi All,

This may sound quite easy for you, however I am a newbie in SQL.

So I have an identity field, which I wish to increment automatically every time I do an insert. However the starting integer has to be the MAX value from another table.

So for example I am doing an insert in a #temp table
INSERT INTO #temp(name, surname)
SELECT name, surname from table1

Now the personId of the #temp table has to start from the MAX of table2
Ie SELECT MAX(personId) from table2

The SELECT MAX(personId) from table2 can also be NULL, ie the first time I am inserting, so I also have to cater for this scenario.

can anyone help?

Thanks

Johann

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Oct 26, 2005

How can I know that a column is auto incremented or not? What are the commands used to know this??
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Dec 12, 2007

Hi all, i am deleting rows of a table and reinserting new ones. This table has an auto increment primary key. what is the function used to set it to zero each time i delete the rows in order to rebegin counting from 1 when i refill the table. Thanks in advance...

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Mar 17, 2008

Hi,
I have an existing table (without PK). I want to output my SELECT statement with an auto-increment on the 1st column like this:

# Lastname Firstname Address
1 Obama Clinton xxxxx
2 Hillary xxxx xxxxx
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Can someone help me on this pls?
Appreciate it.
Thanks
joseph

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Apr 7, 2006

I've been searching for an answer a long time now... but nowhere I found a clear solution...

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T.G.

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Jan 16, 2008

Hey guys,

I have 2 tables:
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2. FooCode( FooID integer, CommandCodeID integer)

I have the following stored procedure

PROCEDURE InsertRows( CodeName VARCHAR )
INSERT INTO CommandCode ( name ) VALUES (CodeName)

Now right here I need to INSERT INTO the "FooCode" table using the same ID that was just added to the CommandCode table. How can I retrieve the last inserted autoincrement value for "id" in the CommandTable without doing SELECT id FROM CommandCode WHERE name = CodeName

END PROCEDURE


Is there an easy way to do what I described above? If possible I want it to comply with SQL standards (e.g. no MS SQL specific code)

Thanks!

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Hi all!
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Apr 6, 2014

I am creating a trigger in SQL Server that will activate when my Athelete table has something "Inserted"

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CREATE TRIGGER TRG_NEW_EQUIPMENT1
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Nov 5, 2005

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Hi,

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Tables:
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What I need to achieve is - everytime that a new line is inserted into an orderlines table part of the primary key will be the OrderId and the OrderLineId should be auto-incremented from 1 for each OrderId in the OrderLines table.

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Mar 25, 2008

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I will be very grateful if you also reply your answers also and to my email

Email: stavrinc@hotmail.com

Thank you

Christos Stavrinou

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