Access ch 2 Flashcards

1
Q

Data Redundancy

A

Unnecessary storage of data in two or more tables

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2
Q

Data Type

A

Determines the type of data that can be entered and the operations that can be performed on that data

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3
Q

Foreign Key

A

The same key as the Primary key in an adjoining table

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4
Q

field properties

A

determines how the field looks and behaves

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5
Q

caption property

A

create a label that is more understandable than a field name

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6
Q

Referential Integrity

A

enforces rules in a database that are used to preserve relationships b/w tables when records are changed

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7
Q

Cascade Update Related Fields

A

when a primary key is updated, all foreign keys are as well

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8
Q

Cascade Delete Record Fields

A

When a primary key record is deleted, all foreign key records are deleted as well

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9
Q

one-to-many relationship

A

primary key can match many of the foreign key values in another table

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10
Q

Simple Query Wizard

A

guides you through query design with step by step process. creates basic queries that do not require criteria.

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11
Q

Wildcards

A

*,?,[],[!]

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12
Q

Comparison operators

A

=<>

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13
Q

null

A

a blank field

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14
Q

AND condition

A

query results will only show records that match ALL criteria

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15
Q

OR condition

A

displays records that match ANY of the citeria

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