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What sorts of tables one can se in designing the hierarchy of a LDB? Tables, which are having Foreign Key relations.
What is a recursive relationship? Give an example not used in the text. A recursive relationship is a relationship among an entity and itself. For example, given the entity PER
3 assignments combined in 1
usecase diagram,activity diagraM,SEQUENCE DIAGRAM
Different stages of DDLC ?
Explain the components of Database System in details.
What is a primary key? Primary key is chosen by the database designer as the principal means of identifying an entity in the entity set.
Define upgrade and downgrade? It gives a mechanism for conversion from shared lock to exclusive lock is called as upgrade. It gives a mechanism for conversion from exclusive
What is database utility? Database utility is the interface among the ABAP/4 Dictionary and the underlying the SAP system.
Benefits and Limitations od Data Models?
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