Reference column in select command : Select « Select Clause « SQL / MySQL

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SQL / MySQL » Select Clause » Select 
Reference column in select command
  
/*
mysql> Drop table Bird;
Query OK, 0 rows affected (0.00 sec)

mysql> CREATE TABLE Bird (
    ->     name VARCHAR(20),
    ->     owner VARCHAR(20),
    ->     species VARCHAR(20),
    ->     sex CHAR(1),
    ->     birth DATE,
    ->     death DATE
    -> );
Query OK, 0 rows affected (0.06 sec)

mysql> INSERT INTO  Bird VALUES ('BlueBird','Joe','Car','f','1999-03-30',NULL);
Query OK, 1 row affected (0.01 sec)

mysql> INSERT INTO  Bird VALUES ('RedBird','Yin','Bus','m','1979-03-30',NULL);
Query OK, 1 row affected (0.00 sec)

mysql> select * from Bird;
+----------+-------+---------+------+------------+-------+
| name     | owner | species | sex  | birth      | death |
+----------+-------+---------+------+------------+-------+
| BlueBird | Joe   | Car     | f    | 1999-03-30 | NULL  |
| RedBird  | Yin   | Bus     | m    | 1979-03-30 | NULL  |
+----------+-------+---------+------+------------+-------+
2 rows in set (0.00 sec)

mysql> SELECT name, birth FROM Bird;
+----------+------------+
| name     | birth      |
+----------+------------+
| BlueBird | 1999-03-30 |
| RedBird  | 1979-03-30 |
+----------+------------+
2 rows in set (0.01 sec)


*/
Drop table Bird;

CREATE TABLE Bird (
    name VARCHAR(20)
    owner VARCHAR(20),
    species VARCHAR(20)
    sex CHAR(1)
    birth DATE, 
    death DATE
);
  
INSERT INTO  Bird VALUES ('BlueBird','Joe','Car','f','1999-03-30',NULL);
INSERT INTO  Bird VALUES ('RedBird','Yin','Bus','m','1979-03-30',NULL);
  
select from Bird;
  
SELECT name, birth FROM Bird;
           
         
    
  
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6.Simple Retrieval:Returning Multiple Columns
7.Simple Retrieval:Returning a Single Column
8.Simple Retrieval: Returning All Columns
9.Performing a Single Row INSERT
10.Retrieve all columns in a table
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12.Calculation
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