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Define Database layer? The database layer defines the data formats used in the database.
Question: AirwaysCentre, an international airline booking company currently uses a relational database system for their operations, which includes the following relations: P
How much would you charge to create a database encompassing an Online Bakery with all the elements below? I. Describe the application that you would like to design. This should
List the data structures implemented by the storage manager. The storage manager executes the following data structure a) Data files b) Data dictionary c) indices
growing phase and shrinking phase are disjoint, why ?
Define instance and schema? Instance: Collection of data kept in the data base at a particular moment is known as an Instance of the database. Schema: The o
When a function module is activated syntax checking is performed automatically. YEs, a function module is activated syntax checking.
Define the terms i) Key attribute ii) Value set Key attribute: An entity type usually has an attribute whose values are exact from each individual entity in the collection. Su
What is transaction? Transaction is a unit of program implementation that accesses and possibly updated several data items.
give some example real life situation where DBMS are most suitable
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