@Column

• A column of a Table

• Even without explicit declaration, all fields of a Class with the @Entity annotation become Columns

• Reason for use

  • Used when there are options that need to be changed beyond the default values

    • The default value for strings is VARCHAR(255), and this annotation can be used when you want to increase the size

• Options

  • columndefinition

    • VARCHAR: 1 to 255 characters

    • TEXT: up to 2^16

    • MEDIUMTEXT: up to 2^24

    • LONGTEXT: up to 2^32