Simple Retrieval:Returning a Single Column : Select « Select Clause « SQL / MySQL

1. SQL / MySQL
2. Select Clause
3. Select

Simple Retrieval:Returning a Single Column

  
/*
mysql> /* Prepare the data */
mysql> DROP TABLE Student;
Query OK, 0 rows affected (0.06 sec)

mysql> CREATE TABLE Student (
    ->    StudentID INT NOT NULL PRIMARY KEY,
    ->    Name      VARCHAR(50) NOT NULL
    -> )TYPE = InnoDB;
Query OK, 0 rows affected, 1 warning (0.11 sec)

mysql> /* Insert data for testing */
mysql> INSERT INTO Student (StudentID,Name) VALUES (1,'Joe Wang');
Query OK, 1 row affected (0.04 sec)

mysql> INSERT INTO Student (StudentID,Name) VALUES (2,'Cory But');
Query OK, 1 row affected (0.03 sec)

mysql> INSERT INTO Student (StudentID,Name) VALUES (3,'JJ Harvests');
Query OK, 1 row affected (0.06 sec)

mysql> /* Real command */
mysql> SELECT Name FROM Student;
+-------------+
| Name        |
+-------------+
| Joe Wang     |
| Cory But    |
| JJ Harvests |
+-------------+
3 rows in set (0.01 sec)


*/

/* Prepare the data */
DROP TABLE Student;

CREATE TABLE Student (
   StudentID INT NOT NULL PRIMARY KEY,
   Name      VARCHAR(50) NOT NULL
)TYPE = InnoDB;


/* Insert data for testing */
INSERT INTO Student (StudentID,Name) VALUES (1,'Joe Wang');
INSERT INTO Student (StudentID,Name) VALUES (2,'Cory But');
INSERT INTO Student (StudentID,Name) VALUES (3,'JJ Harvests');
  
/* Real command */
SELECT Name FROM Student;
           
         
    
  

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