codds rules 5 and 6

codds rules 5 and 6 - CODDS RULES RULE 5: The Comprehensive...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon
CODD’S RULES RULE 5: The Comprehensive Data Sub Language Rule This rule states that the system must support at least all the following functions: 1. Data Definition 2. View Definition 3. Data Manipulation operations 4. Security and Integrity Constraints 5. Transaction Management operations Rule 5 mandates using a relational database language such as SQL
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Data Definition This deals with creating tables, adding attributes to the tables, setting data types and domains for the attributes
Background image of page 2
View Definition What is a view? A view is an alternative way of looking at data from one or more tables A single database can support numerous different views
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Data Manipulation The relational language supports data manipulation operations like : Insertion Deletion Update Retrieval of information
Background image of page 4
Security and Integrity Constraints Database security refers to protection from malicious access, whereas integrity refers to the avoidance of accidental loss of consistency. Integrity constraints guard against accidental
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 6
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 07/15/2011 for the course ECO 2023 taught by Professor Mr.raza during the Summer '10 term at FAU.

Page1 / 11

codds rules 5 and 6 - CODDS RULES RULE 5: The Comprehensive...

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online