D B M S Animate

Data ,[object Object],[object Object],[object Object]

Data Continued: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Data Continued: ,[object Object],[object Object],[object Object],[object Object],[object Object]

Traditional Approach ,[object Object],[object Object]

Files Dedicated to Application Programs

Database ,[object Object],[object Object]

Database System Components ,[object Object],[object Object],[object Object],[object Object]

Interacting with a Database Application

Data Sharing in a Database Environment

Why We Need DBMS ,[object Object],[object Object]

Using DBMS ,[object Object],[object Object],[object Object],[object Object]

DBMS Advantages ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

DBMS Disadvantages ,[object Object],[object Object],[object Object],[object Object]

DBMS-Users ,[object Object],[object Object],[object Object],[object Object],[object Object]

The Entity Relationship Model ,[object Object],[object Object]

Data Models ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Relational DBMS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

H How do I design a database? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Data Abstraction ,[object Object],[object Object],[object Object]

Instances & Schemas ,[object Object],[object Object],[object Object],[object Object]

RDBMS ,[object Object],[object Object],[object Object]

RDBMS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

RDBMS ,[object Object],[object Object],[object Object],[object Object]

RDBMS ,[object Object],[object Object]

Integrity Rules ,[object Object],[object Object],[object Object]

Integrity Rules ,[object Object],[object Object]

Normalization ,[object Object],[object Object]

Relations that have redundant data may have problems called update anomalies , which are classified as , Insertion anomalies Deletion anomalies Modification anomalies

Unnormalized form (UNF) A table that contains one or more repeating groups. Figure 3 ClientRental unnormalized table Repeating group = (propertyNo, pAddress, rentStart, rentFinish, rent, ownerNo, oName) ClientNo cName propertyNo pAddress rentStart rentFinish rent ownerNo oName CR76 John kay PG4 PG16 6 lawrence St,Glasgow 5 Novar Dr, Glasgow 1-Jul-00 1-Sep-02 31-Aug-01 1-Sep-02 350 450 CO40 CO93 Tina Murphy Tony Shaw CR56 Aline Stewart PG4 PG36 PG16 6 lawrence St,Glasgow 2 Manor Rd, Glasgow 5 Novar Dr, Glasgow 1-Sep-99 10-Oct-00 1-Nov-02 10-Jun-00 1-Dec-01 1-Aug-03 350 370 450 CO40 CO93 CO93 Tina Murphy Tony Shaw Tony Shaw

First Normal Form (1NF) ,[object Object],[object Object],[object Object],[object Object]

Client ( clientNo , cName) PropertyRentalOwner ( clientNo , propertyNo , pAddress, rentStart, rentFinish, rent, ownerNo, oName) ClientNo cName CR76 John Kay CR56 Aline Stewart ClientNo propertyNo pAddress rentStart rentFinish rent ownerNo oName CR76 PG4 6 lawrence St,Glasgow 1-Jul-00 31-Aug-01 350 CO40 Tina Murphy CR76 PG16 5 Novar Dr, Glasgow 1-Sep-02 1-Sep-02 450 CO93 Tony Shaw CR56 PG4 6 lawrence St,Glasgow 1-Sep-99 10-Jun-00 350 CO40 Tina Murphy CR56 PG36 2 Manor Rd, Glasgow 10-Oct-00 1-Dec-01 370 CO93 Tony Shaw CR56 PG16 5 Novar Dr, Glasgow 1-Nov-02 1-Aug-03 450 CO93 Tony Shaw

Second Normal Form (2NF ) ,[object Object],[object Object]

Second Normal Form (2NF) ,[object Object],Client Rental PropertyOwner ClientNo cName CR76 John Kay CR56 Aline Stewart ClientNo propertyNo rentStart rentFinish CR76 PG4 1-Jul-00 31-Aug-01 CR76 PG16 1-Sep-02 1-Sep-02 CR56 PG4 1-Sep-99 10-Jun-00 CR56 PG36 10-Oct-00 1-Dec-01 CR56 PG16 1-Nov-02 1-Aug-03 propertyNo pAddress rent ownerNo oName PG4 6 lawrence St,Glasgow 350 CO40 Tina Murphy PG16 5 Novar Dr, Glasgow 450 CO93 Tony Shaw PG36 2 Manor Rd, Glasgow 370 CO93 Tony Shaw

Third Normal Form ,[object Object],[object Object],[object Object]

The resulting 3NF relations have the forms: Client ( clientNo , cName) Rental ( clientNo , propertyNo , rentStart, rentFinish) PropertyOwner ( propertyNo , pAddress, rent, ownerNo) Owner ( ownerNo , oName)

Client Rental PropertyOwner Owner ClientNo cName CR76 John Kay CR56 Aline Stewart ClientNo propertyNo rentStart rentFinish CR76 PG4 1-Jul-00 31-Aug-01 CR76 PG16 1-Sep-02 1-Sep-02 CR56 PG4 1-Sep-99 10-Jun-00 CR56 PG36 10-Oct-00 1-Dec-01 CR56 PG16 1-Nov-02 1-Aug-03 propertyNo pAddress rent ownerNo PG4 6 lawrence St,Glasgow 350 CO40 PG16 5 Novar Dr, Glasgow 450 CO93 PG36 2 Manor Rd, Glasgow 370 CO93 ownerNo oName CO40 Tina Murphy CO93 Tony Shaw

INTRODUCTION ,[object Object],[object Object],[object Object]

DDL ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Data Manipulation Language ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

CREATE TABLE ,[object Object],[object Object]

[object Object],[object Object]

ALTER TABLE ,[object Object],[object Object],[object Object]

DROP TABLE ,[object Object],[object Object],[object Object],[object Object],[object Object]

TRUNCATE TABLE ,[object Object],[object Object],[object Object],[object Object],[object Object]

RENAME TABLE ,[object Object],[object Object],[object Object],[object Object],[object Object]

Data manipulation language are used for managing data within schema objects

INSERT ,[object Object],[object Object],[object Object]

UPDATE ,[object Object],[object Object],[object Object]

DML Commands ,[object Object],[object Object],[object Object],[object Object],[object Object]

DELETE ,[object Object],[object Object],[object Object]

SELECT ,[object Object],[object Object]

SELECT ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

SELECT DISTINCT ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

WHERE ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

ORDER BY ,[object Object],[object Object],[object Object]

ORDER BY ,[object Object],[object Object],[object Object],[object Object]

INDEX ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Primary key ,[object Object],Specifying a primary key when creating a table: CREATE TABLE Customer (SID integer, Last_Name varchar(30), First_Name varchar(30), PRIMARY KEY (SID));

Contd… ,[object Object],[object Object]

ALIASE ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

JOIN ,[object Object],[object Object]

JOIN ,[object Object],[object Object],[object Object],[object Object]

D B M S Animate

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