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Determine object representation
As a designer, we must choose properly that when to use primitive types in representing objects and when to combine groups of related objects, what is exact representation of object attributes.
Define two-phase locking protocol. Ans: Two-phase locking is significance in the context of ensuring that schedules are serializable. The two-phase locking protocol defines a p
Meaningful use refers to the use of certified EHR technology to "enhance quality, efficiency, and reduce health disparities
You want to implement following relationships when designing tables. How would you do it? a.) One-to-one b.) One-to-many c.) Many-to-many a.) One-to-One relationship -
What is data block? Data Block - In oracle the data blocks are referred to as tablespaces. A tablespace is an fields of disk consisting of one or more disk files. A tablespace
WHAT IS SQL
State the Steps of Object Design Object design is a very iterative process in which various classes, relationships among objects are added when you move from one level to
A use case diagram giving a pictorial overview of user requirements and brief use case descriptions. As the case study contains only an outline of a business scenario, you will als
What is an index? An index is a structure that helps to place desired records of a relation quickly, without probing all records.
Components of database manager The above functions are reached by the database manager. The major elements of a database manager are: Authorisation control: This mod
Three Level Architecture of DBMS or Logical DBMS Architecture The logical architecture defines how data in the database is perceived by users. It is not deals with how the da
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