sql select top code example

Example 1: sql select first row

-- NOTE: This is for Oracle/PLSQL only

-- > EXAMPLE
select * 
from CONSUMERS
where ROWNUM <= 1

/*
-- > SYNTAX
select * 
from {yourTable}
where ROWNUM <= {number-of-rows}

*/

Example 2: sql select top

-- SQL Server / MS Access Syntax:
SELECT TOP number|percent column_name(s) FROM table_name WHERE condition;
-- MySQL Syntax:
SELECT column_name(s) FROM table_name WHERE condition LIMIT number;
-- Oracle 12 Syntax:
SELECT column_name(s) FROM table_name ORDER BY column_name(s) 
    FETCH FIRST number ROWS ONLY;
-- Older Oracle Syntax:
SELECT column_name(s) FROM table_name WHERE ROWNUM <= number;

Example 3: SQL SELECT TOP Equivalent in oracal

syntax -> SELECT column_name(s)
FROM table_name
WHERE ROWNUM <= number 
////example///
SELECT *
FROM Persons
WHERE ROWNUM <=5