Row number mysql

Mysql num rows

//number of rows retrieved from a query
<?php

$link = mysql_connect("localhost", "mysql_user", "mysql_password");
mysql_select_db("database", $link);

$result = mysql_query("SELECT * FROM table1", $link);
$num_rows = mysql_num_rows($result);

echo "$num_rows Rows\n";

?>

Source: php.net

Row number mysql

SELECT row_number() over ( order by firstName) RowNumberSqeuence,FirstName from rowNumberDemo
 order by FirstName;

Source: tutorialspoint.com

Mysql row_number() example

SET @row_number = 0; 
SELECT 
    (@row_number:=@row_number + 1) AS num, 
    firstName, 
    lastName
FROM
    employees
ORDER BY firstName, lastName    
LIMIT 5;

Source: mysqltutorial.org

Similar codes

0 vote278 views1 answer
Csv to sqlite python
SQL
0 vote266 views1 answer
Create table with float datatype in sql server
SQL
0 vote282 views1 answer
Psotgres multiple values
SQL
0 vote262 views1 answer
How to find username and password in oracle 18c
SQL
0 vote282 views1 answer
Tsql delete all rows
SQL
0 vote266 views1 answer
Sql convert float to string
SQL
0 vote259 views1 answer
Insert value list does not match column list: 1136 Column count doesn't match value count at row 2"
SQL
0 vote261 views1 answer
Sql database connectivity
SQL
1 vote267 views2 answers
Postgres cast as decimal
SQL
0 vote260 views1 answer
Rabbitmq ui not working
SQL