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SQL FIRST() Function


The FIRST() Fungsi

The FIRST() fungsi mengembalikan nilai pertama dari kolom yang dipilih.

SQL FIRST() Sintaks

SELECT FIRST(column_name) FROM table_name;

Note: The FIRST() function hanya didukung di MS Access.


SQL FIRST() Solusi di SQL Server, MySQL dan Oracle

SQL Server Syntax

SELECT TOP 1 column_name FROM table_name
ORDER BY column_name ASC;

Contoh

SELECT TOP 1 CustomerName FROM Customers
ORDER BY CustomerID ASC;

MySQL Sintaks

SELECT column_name FROM table_name
ORDER BY column_name ASC
LIMIT 1;

Contoh

SELECT CustomerName FROM Customers
ORDER BY CustomerID ASC
LIMIT 1;

Oracle Sintaks

SELECT column_name FROM table_name
WHERE ROWNUM <=1
ORDER BY column_name ASC;

Contoh

SELECT CustomerName FROM Customers
WHERE ROWNUM <=1
ORDER BY CustomerID ASC;

Demo database

Dalam tutorial ini kita akan menggunakan terkenal sampel database Northwind.

Di bawah ini adalah pilihan dari "Customers" tabel:

CustomerID CustomerName ContactName Address City PostalCode Country
1

Alfreds Futterkiste Maria Anders Obere Str. 57 Berlin 12209 Germany
2 Ana Trujillo Emparedados y helados Ana Trujillo Avda. de la Constitucion 2222 Mexico D.F. 05021 Mexico
3 Antonio Moreno Taqueria Antonio Moreno Mataderos 2312 Mexico D.F. 05023 Mexico
4

Around the Horn Thomas Hardy 120 Hanover Sq. London WA1 1DP UK
5 Berglunds snabbkop Christina Berglund Berguvsvagen 8 Lulea S-958 22 Sweden

SQL FIRST() Contoh

Pernyataan SQL berikut memilih nilai pertama dari "CustomerName" kolom dari "Customers" tabel:

Contoh

SELECT FIRST(CustomerName) AS FirstCustomer FROM Customers;
Cobalah sendiri "