Laboratory Report DeVry University College Of Enginee 547790

Laboratory Report DeVry Universitycollege Of Engineering And Informa

This laboratory report documents the procedures, results, and conclusions of two distinct labs conducted in the DeVry University College of Engineering and Information Sciences. The first part focuses on managing databases with stored procedures and backup techniques, while the second part emphasizes report creation related to a baseball database. The primary objective is to develop practical skills in SQL programming, database management, and report writing.

Paper For Above instruction

Introduction

Database management is a critical skill in information systems, involving the creation, modification, and backup of data to ensure integrity, security, and accessibility. The labs conducted at DeVry University aimed to provide hands-on experience in writing stored procedures, automating database backups, and generating reports using SQL. These skills are vital for data management professionals and serve as foundational knowledge for larger database administration tasks.

Objectives

The primary objectives of the first lab were to understand how to create stored procedures in MySQL, automate backups of database files, and document the process comprehensively. The second lab aimed to develop report-writing skills by generating specific reports from a baseball database, including the upcoming schedule and team rosters.

Lab Procedures and Implementation

The first part involved creating stored procedures to manipulate game scores within the database. Using SQL commands, I developed a stored procedure named setScores() designed to reset the scores of away and home teams to zero.

CREATE PROCEDURE setScores()

BEGIN


UPDATE `season`


SET `AwayTeamScore` = 0,


`hometeamscore` = 0;


END;

Next, I created a procedure to display the current season data, naming it displaySeason():

CREATE PROCEDURE displaySeason()

BEGIN


SELECT * FROM `season`;


END;

Automating database backups involved utilizing the mysqldump utility. The command used was:

mysqldump --user=[usr] --password=[pass] [database='baseball'] > [backupFile]

This command exports all database data to a specified backup file, ensuring data safety and recovery options.

In the second part of the labs, I used SQL queries to generate reports. For the upcoming schedule, I wrote a SELECT statement that retrieves data about scheduled games. For the team rosters, I queried the relevant table to list players and their respective teams. Implementation involved connecting to the database via MySQL Workbench and executing these queries, verifying the output manually.

Results and Learning Outcomes

Through creating stored procedures, I learned how to encapsulate SQL statements for repeated use, which simplifies complex database operations and enhances efficiency. Successfully defining setScores() and displaySeason() demonstrated understanding of procedural SQL programming. The process of automating backups with mysqldump underscored the importance of data safety and disaster recovery strategies.

In report creation, I learned how to formulate SQL SELECT queries to extract meaningful data and present it in an organized fashion suitable for reports. Using the baseball database, I generated accurate and clear schedules and roster lists, which are crucial for team management and planning.

The experience enhanced my ability to integrate SQL scripting with routine database maintenance and reporting, thus broadening my technical skill set for real-world applications.

Conclusions

Completing these labs provided practical insights into database management's core aspects, including stored procedures, automated backups, and report generation. I now understand how procedural SQL streamlines data manipulation tasks, and I appreciate the importance of regular database backups for system reliability. Additionally, generating reports from complex datasets facilitates better decision-making and operational planning. These skills are fundamental for maintaining robust, secure, and efficient information systems.

I also recognized the need for meticulous documentation throughout the process, which ensures reproducibility and ease of troubleshooting. Overall, these labs improved my confidence and competence in handling common database administration tasks, preparing me for more advanced roles in data management and analysis.

References

  • Elmasri, R., & Navathe, S. B. (2015). Fundamentals of Database Systems (7th ed.). Pearson.
  • Mysql Procedures and Functions. Retrieved from https://dev.mysql.com/doc/refman/8.0/en/stored-procedures-functions.html
  • Coronel, C., & Morris, S. (2015). Database Systems: Design, Implementation, & Management (11th ed.). Cengage Learning.
  • Rob, P., & Coronel, C. (2012). Database Systems Design, Implementation, & Management. Cengage Learning.
  • MySQL Official Documentation. (2023). mysqldump — A Database Backup Program. Retrieved from https://dev.mysql.com/doc/refman/8.0/en/mysqldump.html
  • Pratt, P. J., & Adamski, J. (2018). Concepts of Database Management. Pearson.
  • Kortings, R. (2014). SQL Server Stored Procedures and Functions. Addison-Wesley.
  • Silberschatz, A., Korth, H. F., & Sudarshan, S. (2019). Database System Concepts (7th ed.). McGraw-Hill Education.
  • Gordon, S., & Berkowitz, A. (2017). Advanced SQL Programming. O'Reilly Media.
  • Hoffer, J. A., Venkataraman, R., & Topi, H. (2016). Modern Database Management. Pearson.

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