Data

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Data by Mind Map: Data

1. models

1.1. semantic model

1.1.1. ER

1.2. hierarchical model

1.3. object-oriented model

1.3.1. object

1.4. network model

1.5. relational model

1.5.1. object-relational model

1.6. semistructured model

1.6.1. XML

2. meanings

2.1. term

2.2. concept

2.3. abstraction

2.4. synonym

2.5. homonym

3. used by

3.1. enterprise

3.1.1. end user

3.1.2. operational data

3.1.2.1. mining

3.1.3. property

3.1.4. resource

4. DBA

4.1. data standards

4.2. system tuning

5. database

5.1. conceptual model

5.1.1. entity

5.1.2. attribute

5.2. logical model

5.2.1. types

5.2.1.1. data item

5.2.1.2. data aggragate

5.2.1.3. data record

5.2.2. stored in

5.2.2.1. data dictionary

5.2.2.1.1. metadata

5.2.2.1.2. used for

5.3. extension

5.3.1. data file

5.3.1.1. data instance

5.4. advantages

5.4.1. redundancy

5.4.2. concurrency

5.4.3. consistency

5.4.4. security

5.4.4.1. encryption

5.4.5. backup

5.4.6. recovery log

5.5. provides

5.5.1. user view

5.5.2. economy of scale

5.6. uses

5.6.1. data sublanguage

5.6.1.1. sql

5.6.1.1.1. integrity constraint

5.6.1.1.2. query