CIS 515 Week 3 Discussion 2

• CIS 515 Week 3 Discussion 2

  "Preparing an Adequate Data Model" Please respond to the following:
  
  • Using specialization hierarchies can provide an efficient application development structure. Justify the use of surrogate primary keys for a database design. Provide an example to support your response.
  • Historical data can be important to measuring performance. Prepare an example on how time-variant data can be properly captured and maintained within a database system.  
  "Preparing an Adequate Data Model" Please respond to the following:
  
  • Using specialization hierarchies can provide an efficient application development structure. Justify the use of surrogate primary keys for a database design. Provide an example to support your response.
  • Historical data can be important to measuring performance. Prepare an example on how time-variant data can be properly captured and maintained within a database system.  
  
  
  "Preparing an Adequate Data Model" Please respond to the following:
  
  • Using specialization hierarchies can provide an efficient application development structure. Justify the use of surrogate primary keys for a database design. Provide an example to support your response.
  • Historical data can be important to measuring performance. Prepare an example on how time-variant data can be properly captured and maintained within a database system.  
  "Preparing an Adequate Data Model" Please respond to the following:
  
  • Using specialization hierarchies can provide an efficient application development structure. Justify the use of surrogate primary keys for a database design. Provide an example to support your response.
  • Historical data can be important to measuring performance. Prepare an example on how time-variant data can be properly captured and maintained within a database system.  

http://hwacer.com/Tutorial/cis-515-week-3-discussion-2/

CIS 515 Week 3 Discussion 2

"Preparing an Adequate Data Model" Please respond to the following:

• Using specialization hierarchies can provide an efficient application development structure. Justify the use of surrogate primary keys for a database design. Provide an example to support your response.
• Historical data can be important to measuring performance. Prepare an example on how time-variant data can be properly captured and maintained within a database system.  

"Preparing an Adequate Data Model" Please respond to the following:

• Using specialization hierarchies can provide an efficient application development structure. Justify the use of surrogate primary keys for a database design. Provide an example to support your response.
• Historical data can be important to measuring performance. Prepare an example on how time-variant data can be properly captured and maintained within a database system.  

"Preparing an Adequate Data Model" Please respond to the following:

• Using specialization hierarchies can provide an efficient application development structure. Justify the use of surrogate primary keys for a database design. Provide an example to support your response.
• Historical data can be important to measuring performance. Prepare an example on how time-variant data can be properly captured and maintained within a database system.  

"Preparing an Adequate Data Model" Please respond to the following:

• Using specialization hierarchies can provide an efficient application development structure. Justify the use of surrogate primary keys for a database design. Provide an example to support your response.
• Historical data can be important to measuring performance. Prepare an example on how time-variant data can be properly captured and maintained within a database system.