sql select row 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: how to select a row in sql

select * from [tableName] limit 1

Example 3: rownum in sql

SELECT ROWNUM, a.*
FROM (SELECT customers.*
      FROM customers
      WHERE customer_id > 4500
      ORDER BY last_name) a;

Example 4: How to display top 50 rows?

In MySQL, top 50 rows are displayed by using this following query:
SELECT * FROM
LIMIT 0, 50;