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What is DML compiler?
DML Compiler: Translates DML statements in a query language within low level instructions understandable through the query evaluation engine. Attempts to transforms users request within an equivalent and well-organized from for executing the query understandable through Data Manager, Interprets DDL statements and records them within a set of tables containing Meta data in a form that can be used through other elements of a DBMS.
What is conceptual schema? The schemas at the view level are known as subschema that describe dissimilar views of the database.
Briefly explain the state diagram by taking one example. State Diagram - An object can be given a sequence of input instructions. The state of the object can vary depending u
Define Serializable schedule Serializable schedule: An interleaved schedule of much more than one transaction is known as a serializable schedule, if it is equal to some serial
1. Design the logic, using a looping structure, for a program that outputs every even number from 1 through 25 along with its square and cube. 2. Mr. Sanchez owns 12 apartme
Question: (a) Can a set of data requirements be correctly modelled by two or more different ER diagrams? Explain your answer. You may use a small example, if you think it will
Control as State within Program 1. The term control exactly means to check effect of input within a program. For illustration, in Figure, after the ATM card is inserted (a
What is schema
Object Oriented model :An object has values stored in instance variables within the object. An object also has bodies of code that execute on the object. These bodies of code are
What are the advantages of DBMS ? 1. Centralized Management and Control - One of the major advantages of using a database system is in which the organization could exert, thr
case study
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