PPT Slide

Each column defines a Data Type

e.g.

varchar2

char

date

number

blob

raw

new types are varray (an ordered list of elements)

and user-defined types consisting of other types (can be nested)

Each row

represents

a single record

or ‘grouping’

of data

variable length

character string

fixed length

character

string

number with or

without a decimal

point, + or -

with magnitude

1.0E-130

to 9.99 E125

up to

4 GB

up to

255

bytes

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