InterviewSolution
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InterviewSolution
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1. A collection of tables to represent both data and the relationships among data, is known as Entity relationship modelRelational ModelObject-based Data modelSemi structured data modelAnswer 2. The designer can review the schema to ensure it meets all the functional requirements, at the stageConceptual designExecution designControlling designInitial PlanningAnswer 3. In the database design, to characterize fully the data needs of the prospective database users, in theInitial phaseExecution phaseMaintenance phaseClosure phaseAnswer 4. The preface that converts the DML statements to normal procedure calls in the host language, is known asDML pre-executorDML executorDML compilerDML precompileAnswer 5. The problem of being unable to represent some information, can be solved by introducingPointersNull values0 valueNull pointerAnswer the 5 question |
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Answer» 1.A collection of tables to represent both DATA and relationships among data, is known as. Entity relationship model is known as a collection of tables to represent both data and relationship among data.2.The DESIGNER can review the schema to ensure it meets all the functional requirements, at the stage is Conceptual design3. In the database design, to characterize fully the data needs of the prospective database USERS, in the Initial phase4.special character prefaces DML calls, and a preprocessor, called the DML precompiler, converts the DML statements to normal procedure calls in the host language.5.The problem of being unable to represent some information, can be SOLVED by introducingans:Null values |
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