CIS 515 Strategic Planning for Database Systems

CIS 515 WEEK 3 DISCUSSION 2Week 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

5 Other / Other strayer university / CIS 515 07 Apr 2018

CIS 515 WEEK 3 DISCUSSION 1Week 3 Discussion 1 "The Entity Relationship Model" Please respond to the following: Defining relationships within a database can improve search capabilities and optimal performance of the database in the long run. Identify at least two relationship strength types that can be used within the entity relationship model. Using the classifications from part one of this discussion; provide a rea

5 Other / Other strayer university / CIS 515 07 Apr 2018

CIS 515 WEEK 2 DISCUSSION 2Week 2 Discussion 2 "Aggregate Queries" Please respond to the following: Suppose you have been hired as an IT professional to support database reporting functionality for a Human Resources system. Compose at least two aggregate function queries that can be useful for the executives of the organization to extract summary data from a database system. Synthesize how aggregate functions help the

5 Other / Other strayer university / CIS 515 07 Apr 2018

CIS 515 WEEK 2 DISCUSSION 1Week 2 Discussion 1 "Maintaining Data Integrity" Please respond to the following: Describe the importance of maintaining integrity rules throughout the database structure. Create at least three examples of common relationships that are used within a relational database system. Justify your response. Many times, database designs do not include the proper use of indexes. Provide a specific exa

5 Other / Other strayer university / CIS 515 07 Apr 2018

CIS 515 WEEK 2 ASSIGNMENT 2Week 2 Assignment 2Assignment 2: Database Systems and Database ModelsThe Strayer Oracle Server may be used to test and compile the SQL Queries developed for this assignment. Your instructor will provide you with login credentials to a Strayer University maintained Oracle server.Imagine that you have been hired as a consultant to assist in streamlining the data processing of an international based organization that

30 Other / Other strayer university / CIS 515 07 Apr 2018

CIS 515 WEEK 1 DISCUSSION 2Week 1 Discussion 2 "Database Modeling" Please respond to the following: Following a data model is important in the planning of a database system. Evaluate at least two classic models that are used in providing structure for database solutions. Compare and contrast the effectiveness of classic models and recently evolved models such as Big Data and NoSQL. Give your opinion on which type of mo

5 Other / Other strayer university / CIS 515 07 Apr 2018

CIS 515 WEEK 1 DISCUSSION 1Week 1 Discussion 1 "Planning Database Design" Please respond to the following: The proper implementation of a database is essential to the success of the data performance functions of an organization. Identify and evaluate at least three considerations that one must plan for when designing a database. Suggest at least two types of databases that would be useful for small businesses, two typ

5 Other / Other strayer university / CIS 515 07 Apr 2018

CIS 515 WEEK 3 Discussion 2Week 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

5 Other / Other strayer university / CIS 515 03 Apr 2018

CIS 515 WEEK 2 Discussion 2Week 2 Discussion 2 "Aggregate Queries" Please respond to the following: Suppose you have been hired as an IT professional to support database reporting functionality for a Human Resources system. Compose at least two aggregate function queries that can be useful for the executives of the organization to extract summary data from a database system. Synthesize how aggregate functions help the

5 Other / Other strayer university / CIS 515 03 Apr 2018

CIS 515 WEEK 2 Discussion 1Week 2 Discussion 1 "Maintaining Data Integrity" Please respond to the following: Describe the importance of maintaining integrity rules throughout the database structure. Create at least three examples of common relationships that are used within a relational database system. Justify your response. Many times, database designs do not include the proper use of indexes. Provide a specific exa

5 Other / Other strayer university / CIS 515 03 Apr 2018