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SQL - Find Original Values Only

I know this solution must already exist somewhere, I just don't know how to word it.

What is the syntax for SQL (in ms-access) to find each original value.

For example, say I have a column in my  table named FirstName, and in the column I have the values:
John
John
John
Lisa
Mary
Mary
Bob
Bob
Bob
Bob
Bob

I want the SQL query to just select the first instance of each person's name... so it will return:
John
Lisa
Mary
Bob

... any help is appreciated..

NC
SQL
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Sean Stuber
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Jim Horn
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rickchild
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An alternative is to use GROUP BY Firstname at the end of the statement.
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Sean Stuber
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NO_CARRIER

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sdstuber: sorry my wording was misleading... the reason I said "first" is because that's the SQL operator I was experimenting with instead of distinct.  There is nothing significant from row to row... :)

thank you all for your assistance... DISTINCT is what I needed...

+++ath0
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Sean Stuber
no problem,  glad we could help
SQL
SQL

SQL (Structured Query Language) is designed to be used in conjunction with relational database products as of a means of working with sets of data. SQL consists of data definition, data manipulation, and procedural elements. Its scope includes data insert, query, update and delete, schema creation and modification, and data access control.

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