MySQL Tutorial/Procedure Function/Insert

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Example of an INSERT using a procedure variable

   <source lang="sql">

mysql> mysql> mysql> mysql> CREATE TABLE Employee( 

   ->     id            int,
   ->     first_name    VARCHAR(15),
   ->     last_name     VARCHAR(15),
   ->     start_date    DATE,
   ->     end_date      DATE,
   ->     salary        FLOAT(8,2),
   ->     city          VARCHAR(10),
   ->     description   VARCHAR(15)
   -> );

Query OK, 0 rows affected (0.02 sec) mysql> mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description) 

   ->              values (1,"Jason",    "Martin",  "19960725",  "20060725", 1234.56, "Toronto",  "Programmer");

Query OK, 1 row affected (0.00 sec) mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description) 

   ->               values(2,"Alison",   "Mathews",  "19760321", "19860221", 6661.78, "Vancouver","Tester");

Query OK, 1 row affected (0.00 sec) mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description) 

   ->               values(3,"James",    "Smith",    "19781212", "19900315", 6544.78, "Vancouver","Tester");

Query OK, 1 row affected (0.00 sec) mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description) 

   ->               values(4,"Celia",    "Rice",     "19821024", "19990421", 2344.78, "Vancouver","Manager");

Query OK, 1 row affected (0.00 sec) mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description) 

   ->               values(5,"Robert",   "Black",    "19840115", "19980808", 2334.78, "Vancouver","Tester");

Query OK, 1 row affected (0.02 sec) mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description) 

   ->               values(6,"Linda",    "Green",    "19870730", "19960104", 4322.78,"New York",  "Tester");

Query OK, 1 row affected (0.00 sec) mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description) 

   ->               values(7,"David",    "Larry",    "19901231", "19980212", 7897.78,"New York",  "Manager");

Query OK, 1 row affected (0.00 sec) mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description) 

   ->               values(8,"James",    "Cat",     "19960917",  "20020415", 1232.78,"Vancouver", "Tester");

Query OK, 1 row affected (0.00 sec) mysql> mysql> select * from Employee; +------+------------+-----------+------------+------------+---------+-----------+-------------+ | id | first_name | last_name | start_date | end_date | salary | city | description | +------+------------+-----------+------------+------------+---------+-----------+-------------+ | 1 | Jason | Martin | 1996-07-25 | 2006-07-25 | 1234.56 | Toronto | Programmer | | 2 | Alison | Mathews | 1976-03-21 | 1986-02-21 | 6661.78 | Vancouver | Tester | | 3 | James | Smith | 1978-12-12 | 1990-03-15 | 6544.78 | Vancouver | Tester | | 4 | Celia | Rice | 1982-10-24 | 1999-04-21 | 2344.78 | Vancouver | Manager | | 5 | Robert | Black | 1984-01-15 | 1998-08-08 | 2334.78 | Vancouver | Tester | | 6 | Linda | Green | 1987-07-30 | 1996-01-04 | 4322.78 | New York | Tester | | 7 | David | Larry | 1990-12-31 | 1998-02-12 | 7897.78 | New York | Manager | | 8 | James | Cat | 1996-09-17 | 2002-04-15 | 1232.78 | Vancouver | Tester | +------+------------+-----------+------------+------------+---------+-----------+-------------+ 8 rows in set (0.00 sec) mysql> mysql> mysql> mysql> mysql> delimiter $$ mysql> CREATE PROCEDURE myProc() 

   -> BEGIN
   ->      DECLARE i INT DEFAULT 1;
   ->
   ->      SET autocommit=0;
   ->
   ->      WHILE (i<=10) DO
   ->           INSERT INTO employee (id, first_name)VALUES(id,CONCAT("record ",i));
   ->           SET i=i+1;
   ->      END WHILE;
   ->
   ->
   -> END$$

Query OK, 0 rows affected (0.00 sec) mysql> mysql> mysql> delimiter ; mysql> mysql> call myProc(); Query OK, 1 row affected (0.00 sec) mysql> select * from Employee; +------+------------+-----------+------------+------------+---------+-----------+-------------+ | id | first_name | last_name | start_date | end_date | salary | city | description | +------+------------+-----------+------------+------------+---------+-----------+-------------+ | 1 | Jason | Martin | 1996-07-25 | 2006-07-25 | 1234.56 | Toronto | Programmer | | 2 | Alison | Mathews | 1976-03-21 | 1986-02-21 | 6661.78 | Vancouver | Tester | | 3 | James | Smith | 1978-12-12 | 1990-03-15 | 6544.78 | Vancouver | Tester | | 4 | Celia | Rice | 1982-10-24 | 1999-04-21 | 2344.78 | Vancouver | Manager | | 5 | Robert | Black | 1984-01-15 | 1998-08-08 | 2334.78 | Vancouver | Tester | | 6 | Linda | Green | 1987-07-30 | 1996-01-04 | 4322.78 | New York | Tester | | 7 | David | Larry | 1990-12-31 | 1998-02-12 | 7897.78 | New York | Manager | | 8 | James | Cat | 1996-09-17 | 2002-04-15 | 1232.78 | Vancouver | Tester | | NULL | record 1 | NULL | NULL | NULL | NULL | NULL | NULL | | NULL | record 2 | NULL | NULL | NULL | NULL | NULL | NULL | | NULL | record 3 | NULL | NULL | NULL | NULL | NULL | NULL | | NULL | record 4 | NULL | NULL | NULL | NULL | NULL | NULL | | NULL | record 5 | NULL | NULL | NULL | NULL | NULL | NULL | | NULL | record 6 | NULL | NULL | NULL | NULL | NULL | NULL | | NULL | record 7 | NULL | NULL | NULL | NULL | NULL | NULL | | NULL | record 8 | NULL | NULL | NULL | NULL | NULL | NULL | | NULL | record 9 | NULL | NULL | NULL | NULL | NULL | NULL | | NULL | record 10 | NULL | NULL | NULL | NULL | NULL | NULL | +------+------------+-----------+------------+------------+---------+-----------+-------------+ 18 rows in set (0.00 sec) mysql> drop procedure myProc; Query OK, 0 rows affected (0.00 sec) mysql> mysql> mysql> mysql> mysql> drop table Employee; Query OK, 0 rows affected (0.00 sec) mysql> mysql></source>


Insert data in a while loop

   <source lang="sql">

mysql> mysql> mysql> delimiter $$ mysql> mysql> CREATE PROCEDURE myFunction() 

   -> BEGIN
   ->         DECLARE i INT DEFAULT 1;
   ->
   ->         CREATE TEMPORARY TABLE ascii_chart
   ->             (ascii_code int, ascii_char CHAR(1));
   ->
   ->         WHILE (i<=128) DO
   ->                INSERT INTO ascii_chart VALUES(i,CHAR(i));
   ->                SET i=i+1;
   ->         END WHILE;
   ->
   ->         select * from ascii_chart;
   ->
   ->         drop table ascii_chart;
   ->
   -> END$$

Query OK, 0 rows affected (0.00 sec) mysql> mysql> delimiter ; mysql> mysql> call myFunction(); +------------+------------+ | ascii_code | ascii_char | +------------+------------+ | 38 | & | | 39 | " | | 40 | ( | | 41 | ) | | 42 | * | | 43 | + | | 44 | , | | 45 | - | | 46 | . | | 47 | / | | 48 | 0 | | 49 | 1 | | 50 | 2 | | 51 | 3 | | 52 | 4 | | 53 | 5 | | 54 | 6 | | 55 | 7 | | 56 | 8 | | 57 | 9 | | 58 | : | | 59 | ; | | 60 | < | | 61 | = | | 62 | > | | 63 | ? | | 64 | @ | | 65 | A | | 66 | B | | 67 | C | | 68 | D | | 69 | E | | 70 | F | | 71 | G | | 72 | H | | 73 | I | | 74 | J | | 75 | K | | 76 | L | | 77 | M | | 78 | N | | 79 | O | | 80 | P | | 81 | Q | | 82 | R | | 83 | S | | 84 | T | | 85 | U | | 86 | V | | 87 | W | | 88 | X | | 89 | Y | | 90 | Z | | 91 | [ | | 92 | \ | | 93 | ] | | 94 | ^ | | 95 | _ | | 96 | ` | | 97 | a | | 98 | b | | 99 | c | | 100 | d | | 101 | e | | 102 | f | | 103 | g | | 104 | h | | 105 | i | | 106 | j | | 107 | k | | 108 | l | | 109 | m | | 110 | n | | 111 | o | | 112 | p | | 113 | q | | 114 | r | | 115 | s | | 116 | t | | 117 | u | | 118 | v | | 119 | w | | 120 | x | | 121 | y | | 122 | z | | 123 | { | | 124 | | | | 125 | } | | 126 | ~ | | 127 | ? | | 128 | � | +------------+------------+ 128 rows in set (0.02 sec) Query OK, 0 rows affected (0.67 sec) mysql> mysql> drop procedure myFunction; Query OK, 0 rows affected (0.00 sec)</source>


Insert data into a table in a procedure

   <source lang="sql">

mysql> mysql> mysql> CREATE TABLE Employee( 

   ->     id            int,
   ->     first_name    VARCHAR(15),
   ->     last_name     VARCHAR(15),
   ->     start_date    DATE,
   ->     end_date      DATE,
   ->     salary        FLOAT(8,2),
   ->     city          VARCHAR(10),
   ->     description   VARCHAR(15)
   -> );

Query OK, 0 rows affected (0.03 sec) mysql> mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description) 

   ->              values (1,"Jason",    "Martin",  "19960725",  "20060725", 1234.56, "Toronto",  "Programmer");

Query OK, 1 row affected (0.00 sec) mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description) 

   ->               values(2,"Alison",   "Mathews",  "19760321", "19860221", 6661.78, "Vancouver","Tester");

Query OK, 1 row affected (0.02 sec) mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description) 

   ->               values(3,"James",    "Smith",    "19781212", "19900315", 6544.78, "Vancouver","Tester");

Query OK, 1 row affected (0.00 sec) mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description) 

   ->               values(4,"Celia",    "Rice",     "19821024", "19990421", 2344.78, "Vancouver","Manager");

Query OK, 1 row affected (0.00 sec) mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description) 

   ->               values(5,"Robert",   "Black",    "19840115", "19980808", 2334.78, "Vancouver","Tester");

Query OK, 1 row affected (0.00 sec) mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description) 

   ->               values(6,"Linda",    "Green",    "19870730", "19960104", 4322.78,"New York",  "Tester");

Query OK, 1 row affected (0.00 sec) mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description) 

   ->               values(7,"David",    "Larry",    "19901231", "19980212", 7897.78,"New York",  "Manager");

Query OK, 1 row affected (0.00 sec) mysql> mysql> insert into Employee(id,first_name, last_name, start_date, end_Date, salary, City, Description) 

   ->               values(8,"James",    "Cat",     "19960917",  "20020415", 1232.78,"Vancouver", "Tester");

Query OK, 1 row affected (0.00 sec) mysql> mysql> select * from Employee; +------+------------+-----------+------------+------------+---------+-----------+-------------+ | id | first_name | last_name | start_date | end_date | salary | city | description | +------+------------+-----------+------------+------------+---------+-----------+-------------+ | 1 | Jason | Martin | 1996-07-25 | 2006-07-25 | 1234.56 | Toronto | Programmer | | 2 | Alison | Mathews | 1976-03-21 | 1986-02-21 | 6661.78 | Vancouver | Tester | | 3 | James | Smith | 1978-12-12 | 1990-03-15 | 6544.78 | Vancouver | Tester | | 4 | Celia | Rice | 1982-10-24 | 1999-04-21 | 2344.78 | Vancouver | Manager | | 5 | Robert | Black | 1984-01-15 | 1998-08-08 | 2334.78 | Vancouver | Tester | | 6 | Linda | Green | 1987-07-30 | 1996-01-04 | 4322.78 | New York | Tester | | 7 | David | Larry | 1990-12-31 | 1998-02-12 | 7897.78 | New York | Manager | | 8 | James | Cat | 1996-09-17 | 2002-04-15 | 1232.78 | Vancouver | Tester | +------+------------+-----------+------------+------------+---------+-----------+-------------+ 8 rows in set (0.00 sec) mysql> mysql> mysql> mysql> delimiter $$ mysql> mysql> CREATE PROCEDURE sp_add_location 

   ->          (in_location     VARCHAR(30),
   ->           in_first_name   VARCHAR(30),
   ->           in_last_name    VARCHAR(30),
   ->           description     VARCHAR(10))
   ->     MODIFIES SQL DATA
   -> BEGIN
   ->    INSERT INTO employee
   ->      (city,first_name,last_name,description)
   ->     VALUES
   ->      (in_location,in_first_name,in_last_name,description);
   -> END$$

Query OK, 0 rows affected (0.00 sec) mysql> mysql> delimiter ; mysql> call sp_add_location("New City","First","Last","Descr"); Query OK, 1 row affected (0.02 sec) mysql> drop procedure sp_add_location; Query OK, 0 rows affected (0.00 sec) mysql> mysql> select * from Employee; +------+------------+-----------+------------+------------+---------+-----------+-------------+ | id | first_name | last_name | start_date | end_date | salary | city | description | +------+------------+-----------+------------+------------+---------+-----------+-------------+ | 1 | Jason | Martin | 1996-07-25 | 2006-07-25 | 1234.56 | Toronto | Programmer | | 2 | Alison | Mathews | 1976-03-21 | 1986-02-21 | 6661.78 | Vancouver | Tester | | 3 | James | Smith | 1978-12-12 | 1990-03-15 | 6544.78 | Vancouver | Tester | | 4 | Celia | Rice | 1982-10-24 | 1999-04-21 | 2344.78 | Vancouver | Manager | | 5 | Robert | Black | 1984-01-15 | 1998-08-08 | 2334.78 | Vancouver | Tester | | 6 | Linda | Green | 1987-07-30 | 1996-01-04 | 4322.78 | New York | Tester | | 7 | David | Larry | 1990-12-31 | 1998-02-12 | 7897.78 | New York | Manager | | 8 | James | Cat | 1996-09-17 | 2002-04-15 | 1232.78 | Vancouver | Tester | | NULL | First | Last | NULL | NULL | NULL | New City | Descr | +------+------------+-----------+------------+------------+---------+-----------+-------------+ 9 rows in set (0.00 sec) mysql> mysql> mysql> drop table Employee; Query OK, 0 rows affected (0.00 sec) mysql></source>

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