Lecture 4

Question 1

What is the first task of spatial data infrastructure ?

Answer 1

it is to inventory who has what data of what type and quality

Question 2

Metadata Inventory

Answer 2

provides documentation of existing internal geo spatial resources within an organization

Question 3

MetaData Catalog

Answer 3

Permits structured search and comparison of held geo spatial resources by others

Question 4

MetaData Documentations

Answer 4

Provides end users with adequate information to take the resource and apply it in an appropriate context

Question 5

File Geodatabases

Answer 5

stores multiple files in a folder with an .gdb extension. single flied with up to 256 TB

Question 6

Mobile Geodatabase

Answer 6

stores in an SQLite database that is contained in 1 file has .gdb extension

Question 7

Enterprise Geodatabases

Answer 7

Multiuser geodatabase stored in a relational databases. it has unlimited users and size but depends on the DBMS vendor

Question 8

Schema

Answer 8

defined in the Catalog tab which allows to convert data from other formats such as Shapefile, Coverage, CAD and Raster

Question 9

Versioning

Answer 9

provides multiple representations of the data without copying data, allows concurrent editing, and allows users to have versions for extended periods of time.

Question 10

what 2 types of versioning

Answer 10

Branch and Traditional

Question 11

Feature Dataset

Answer 11

a container object for other datasets, contain geometric networks

Question 12

Attribute rules

Answer 12

are a set of, well, rules that you can apply to a database. These rules can perform different actions and have different triggers.

Question 13

Attribute rule types

Answer 13

Calculation, Constraint and Validation

Question 14

Constraint rule

Answer 14

WILL NOT let an incorrect value into the database

Question 15

Validation rule

Answer 15

WILL let an incorrect value into the database but will be flagged during evaluation

Question 16

Domains

Answer 16

Describe the legal values of a field type used to ensure attribute integrity and is defined to the geodatabase level

Question 17

what are the types of domains are there?

Answer 17

Range and Coded Values

Question 18

Range

Answer 18

have valid values between a min / max range

Question 19

Coded Value

Answer 19

Valid values chosen from a set list

Question 20

Subtypes

Answer 20

Categorize objects or features into groups which share the same attributes, they are defined at a class level

Question 21

Relationship Classes

Answer 21

Association between object is in one class and another

Question 22

Annotation feature classes

Answer 22

placing text and graphics on the map using feature linked or non- feature linked

Question 23

Dimension Features

Answer 23

Type of annotation that displays specific distances on a map. These Graphic features are stored in a dimension feature class

Question 24

Relationship Classes

Answer 24

Control the general and network relationships in which an object can participate.

Question 25

Dimensions and Annotation

Answer 25

nstantiate classes with predefined behavior.

Question 26

Subtypes

Answer 26

Partitions the objects into like groups

Question 27

Domains

Answer 27

Control the default value and acceptable values for any attribute