Operational Data, Data Independence, Architecture for a Database System, Distributed Databases-Relation Approach, Hierarchical Approach, Network Approach.
UNIT 2:
Relation, Domain, Attributes, Key Relational Algebra-Traditional Set Operation. Attribute,Attribute names for derived relations - Special Relational Operations
UNIT 3:
Query by Example – Retrieval operations, Built-in Functions, update operations - QBE Dictionary. Normalization : Functional dependency, First, Second, Third normal forms
UNIT 4:
IMS data structure External level of IMS the program communication block IMS Data manipulation DL / 1 Examples.
UNIT 5:
Architecture of DBTG System DBTG Data Structure DBTG Data Manipulation.
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26
Jul
Operational Data, Data Independence, Architecture for a Database System, Distrib...
26
Jul
Relation, Domain, Attributes, Key Relational Algebra-Traditional Set Operation. ...
26
Jul
Query by Example – Retrieval operations, Built-in Functions, update operations...
26
Jul
IMS data structure External level of IMS the program communication block IMS D...
26
Jul
Architecture of DBTG System DBTG Data Structure DBTG Data Manipulation.
