How do I select the first row in SQL Server?

How do I select the first row in SQL Server?

SQL TOP, LIMIT, FETCH FIRST or ROWNUM Clause

1. SQL Server / MS Access Syntax: SELECT TOP number|percent column_name(s) FROM table_name.
2. MySQL Syntax: SELECT column_name(s) FROM table_name.
3. Oracle 12 Syntax: SELECT column_name(s)
4. Older Oracle Syntax: SELECT column_name(s)
5. Older Oracle Syntax (with ORDER BY): SELECT *

Is a left join one-to-many?

SQL LEFT JOIN examples Each location belongs to one and only one country while each country can have zero or more locations. The relationship between the countries and locations tables is one-to-many.

What is a many-to-one join?

Many-to-one: The ParcelToOwner table is related to Parcels in a many-to-one relationship; many owners own (at least some percentage of) a parcel. Many-to-one: The ParcelToOwner table is related to Owners in a many-to-one relationship; many parcels may be owned (at least partially) by one owner.

How to select first record in one to many relation?

If supported by the database, OUTER APPLY is an efficient and terse option. This results in a left join to the indeterminate first matched record. My tests show it to be quicker than any other posted solution (on MS SQL Server 2012). If you are on SQL Server 2005 or later version, you could use ranking to achieve what you want.

Which is the first row in a join?

I want to only show the first email per person. Presently I get multiple rows per person because they have multiple emails. I am running SQL-Server 2005. EDIT: This is T-SQL. First email is literally the first email row per person. Edit 2: First email as I see it would be the first email row that shows up in the join as SQL works through the query.

How to select first row from return multple?

They share a key. The person table has one name per primary key but the email table has multiple emails per personId. I want to only show the first email per person. Presently I get multiple rows per person because they have multiple emails. I am running SQL-Server 2005.

How to select maximum ID in one to many relation?

Just group by the code field on table B in your subquery and select the maximum Id per grouping. If supported by the database, OUTER APPLY is an efficient and terse option.