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A field-groups statement or an insert statement reverses storage space and transfers values.
False.
What subschema expresses ? A subschema expresses the external view. (External schemas are called also called as subschemas)
Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4
An ideal data dictionary should have everything a DBA wants to know about the database. 1 Conceptual, External, and internal database descriptions. 2. Descriptions of attr
Represent the following scenarios with E-R diagrams drawn using the ER Assistant software. The diagrams should indicate cardinality and optionality of relationships. Transform each
why are older data models are being replaced by new data models
What are the various symbols used to draw an E-R diagram (any 3)?
Physical Database Design Issues The database design includes the process of logical design with the use of E-R diagram, normalisation, etc., followed by the physical design.
using the invoice table shown below,write the relational schema,draw a dependencies,inclunding all partial and transitive dependencies.assume that the table does not contain repeat
what is physical data structure
1. Item based services will be charged fixed prices, and time-based will be charged variably depending on time. Such as per hour. Item-based: Fixed, pedicure, waxing, threading, fa
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