Physical Database Design What is the best data type definition for Oracle when a field is alphanumeric and has a length that can vary? LONG NUMBER VARCHAR2 CHAR LONG NUMBER VARCHAR2 CHAR ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design What is the best data type definition for Oracle when a field is alphanumeric and has a fixed length? CHAR LONG VARCHAR2 NUMBER CHAR LONG VARCHAR2 NUMBER ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design In general, larger block sizes are used for online transaction processing applications and smaller block sizes are used for databases with a decision support or data warehousing system. False True False True ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design A pointer is a detailed coding scheme recognized by system software for representing organizational data. True False True False ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design The primary goal of physical database design is data processing efficiency. True False True False ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design If a denormalization situation exists with a one-to-one binary relationship, which of the following is true? All fields are stored in one relation. All fields are stored in two relations. All fields are stored in four relations. All fields are stored in three relations. All fields are stored in one relation. All fields are stored in two relations. All fields are stored in four relations. All fields are stored in three relations. ANSWER DOWNLOAD EXAMIANS APP
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