What can be stored in a database?

MySQL

For example, here are the different type that you store in a MySQL Database

Numeric :

• TinyInt
• SmallInt
• MediumInt
• Int
• BigInt

• Decimal
• Float
• Double
• Boolean

• Big
• Bool
• Serial

Date and Time

• Date
• DateTime
• Year
• TimeStamp
• Time

String

• Char
• VarChar

• TinyText
• Text
• MediumText
• LongText

• Binary
• VarBinary

• TinyBlob
• Blob
• MediumBlob
• LongBlob

• Enum
• Set

Spatial

• Goemetry
• LineString
• Point
• Polygon
• MultipleLineString
• MultiplePoint
• MultiplePolygon
• GeometryCollection

In other databases, such as Miscrosoft SQL you can even store XML, Image, and much more