CREATING A DATABASE USING DB/TEXTWORKS

LIBR 202 Richard Jackson

DB/TextWorks

A Database Management System (DBMS) made by Inmagic

Instructions for downloading:

http://slisweb.sjsu.edu/ecommunication/IMDown.htm

Two steps in creating a database

Database DesignerCreates the data structure

Database Maintainer (Indexer)Populates the database with records

Designing the Database

Primary decisions Purpose of the database Nature of its users

Set up the fields using the DBMS Field name Type of data contained in the field How the field is to be indexed Limits on values that can be entered (“validation”)

Adding Records to the Database

For each document in the collection, the indexer creates a record

Appropriate field values are entered according to the rules for standards for the database

Records will be added (and sometimes updated or deleted) through the life of the database

A collection of rocks ...

Indexing

A field must be indexed in order to be searchable

A field can be Term indexed or Word indexed

Term Indexing

Each field value is indexed as a single entry

Records Index for Color field#1Color: Dark gray

#2Color: Black

#3Color: Gray

#4Color: Dark brown

#5Color: Pink

Black #2

Dark brown #4

Dark gray #1

Gray #3

Pink #5

Word Indexing

Each word in the field value is separately indexedRecords Index for Note field#1Note: Found at Montana del Oro; perfect skipping rock.

1967 #3at #1del #1embedded #3found #1, #3it #3mexico #3mica #3montana #1new #3northern #3obsidian #2oro #1perfect #1piece #3quartz #3rock #1rose #3skipping #1with #3

#2Note: Obsidian.

#3Note: Found in northern New Mexico, 1967. Rose quartz with a piece of mica embedded in it.

For more information …

Review the 202 Online Resource:

http://slisweb.sjsu.edu/courses/202/index.html

Search DB/TextWorks Help Click Help > Help Topics, or press F1 Click the Index tab to browse or search for help topics

As always, post any questions on Blackboard