Physical Database Design The blocking factor is: attributes grouped together by the same secondary key. attributes grouped together by the same primary key. a group of fields stored in adjacent memory. the number of physical records per page. attributes grouped together by the same secondary key. attributes grouped together by the same primary key. a group of fields stored in adjacent memory. the number of physical records per page. ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Which of the following improves a query's processing time? Use compatible data types. Query one query within another. Write complex queries. Combine a table with itself. Use compatible data types. Query one query within another. Write complex queries. Combine a table with itself. ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design What is the best data type definition for Oracle when a field is alphanumeric and has a length that can vary? NUMBER CHAR VARCHAR2 LONG NUMBER CHAR VARCHAR2 LONG ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design A multidimensional database model is used most often in which of the following models? Hierarchical Network Relational Data warehouse Hierarchical Network Relational Data warehouse ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Which of the following is not a factor to consider when switching from small to large block size? The length of all of the fields in a table row Random row access speed The number of columns Block contention The length of all of the fields in a table row Random row access speed The number of columns Block contention ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Distributing the columns of a table into several separate physical records is known as horizontal partitioning. True False True False ANSWER DOWNLOAD EXAMIANS APP
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