Determining the Number of Records Suppressed by LIMIT (SQL_CALC_FOUND_ROWS, FOUND_ROWS) : Limits « Select Clause « SQL / MySQL

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SQL / MySQL » Select Clause » Limits 
Determining the Number of Records Suppressed by LIMIT (SQL_CALC_FOUND_ROWS, FOUND_ROWS)
      
mysql>
mysql> CREATE TABLE employee (
    ->     id int unsigned not null auto_increment primary key,
    ->     firstname varchar(20),
    ->     lastname varchar(20),
    ->     title varchar(30),
    ->     age int,
    ->     yearofservice int,
    ->     salary int,
    ->     perks int,
    ->     email varchar(60)
    -> );
Query OK, rows affected (0.00 sec)

mysql>
mysql> INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("John""Chen
""Senior Programmer"31312000025000"j@hotmail.com");
Query OK, row affected (0.00 sec)

mysql> INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("Jan""Pilla
i""Senior Programmer"32411000020000"g@yahoo.com");
Query OK, row affected (0.00 sec)

mysql> INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("Ane""Pandi
t""Web Designer"2439000015000"a@gmail.com");
Query OK, row affected (0.00 sec)

mysql> INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("Mary""Anch
or""Web Designer"2728500015000"m@mail.com");
Query OK, row affected (0.00 sec)

mysql> INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("Fred""King
""Programmer"3237500015000"f@net.com");
Query OK, row affected (0.00 sec)

mysql> INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("John""Mac"
"Programmer"3248000016000"j@hotmail.com");
Query OK, row affected (0.00 sec)

mysql> INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("Arthur""Sa
m""Programmer"2827500014000"e@yahoo.com");
Query OK, row affected (0.00 sec)

mysql> INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("Alok""Nand
a""Programmer"3237000010000"a@yahoo.com");
Query OK, row affected (0.00 sec)

mysql> INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("Susan""Ra"
"Multimedia Programmer"3249000015000"h@gmail.com");
Query OK, row affected (0.00 sec)

mysql> INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("Paul""Simo
n""Multimedia Programmer"2318500012000"ps@gmail.com");
Query OK, row affected (0.00 sec)

mysql> INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("Edward""Pa
rhar""Multimedia Programmer"3027500015000"a@hotmail.com");
Query OK, row affected (0.00 sec)

mysql> INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("Kim""Hunte
r""Senior Web Designer"32411000020000"kim@coolmail.com");
Query OK, row affected (0.00 sec)

mysql> INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("Roger""Lew
is""System Administrator"32310000013000"roger@mail.com");
Query OK, row affected (0.00 sec)

mysql> INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("Danny""Gib
son""System Administrator"3129000012000"danny@hotmail.com");
Query OK, row affected (0.00 sec)

mysql> INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("Mike""Harp
er""Senior Marketing Executive"36112000028000"m@gmail.com");
Query OK, row affected (0.00 sec)

mysql> INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("Mary""Sund
ay""Marketing Executive"3159000025000"monica@bigmail.com");
Query OK, row affected (0.00 sec)

mysql> INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("Jack""Sim"
"Marketing Executive"2717000018000"hal@gmail.com");
Query OK, row affected (0.00 sec)

mysql> INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("Joe""Irvin
e""Marketing Executive"2717200018000"joseph@hotmail.com");
Query OK, row affected (0.00 sec)

mysql> INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("Henry""Ali
""Customer Service Manager"323700009000"shahida@hotmail.com");
Query OK, row affected (0.00 sec)

mysql> INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("Peter""Cha
mpion""Finance Manager"32212000025000"peter@yahoo.com");
Query OK, row affected (0.00 sec)

mysql>
mysql>
mysql> SELECT SQL_CALC_FOUND_ROWS firstname FROM employee ORDER BY title LIMIT 3;
+-----------+
| firstname |
+-----------+
| Henry     |
| Peter     |
| Joe       |
+-----------+
rows in set (0.00 sec)

mysql>
mysql> SELECT FOUND_ROWS();
+--------------+
| FOUND_ROWS() |
+--------------+
|           20 |
+--------------+
row in set (0.00 sec)

mysql>
mysql>
mysql> drop TABLE employee;
Query OK, rows affected (0.00 sec)

mysql>

   
    
    
    
    
    
  
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15.SELECT statement includes a LIMIT clause that specifies an offset value of 3 and a row count value of 4
16.WHERE clause can include additional logical operators and expressions that further limit the results returned
17.Limit to first three columns
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20.Pulling a Section from the Middle of a Result Set
21.Tell MySQL what offset to use, from which result to start limiting.
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23.Selecting Records from the Beginning or End of a Result Set
24.Processing the First or Last n Records
25.Limiting the Number of Results
26.But LIMIT allows you to return only that record
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