Inf3707 study notes Study guides, Study notes & Summaries

INF3707- Database Design And Implementation EXAM PACK 2022. Question 1 10 marks 1.1 Which Oracle Database management system is prescribed for this module? (2 marks) 1.2 How do you login as the system administrator on the Oracle SQL*plus interface? Provide the code. (2 marks) 1.3 After you have successfully installed Oracle database, how do you open the pluggable databases so that they can automatically open? (4 marks) 1.4 By default, Oracle pluggable databases remain closed and must be o...

INF3707 EXAM PACK 2022. Which Oracle Database management system is prescribed for this module? (2 marks) 1.2 How do you login as the system administrator on the Oracle SQL*plus interface? Provide the code. (2 marks) 1.3 After you have successfully installed Oracle database, how do you open the pluggable databases so that they can automatically open? (4 marks) 1.4 By default, Oracle pluggable databases remain closed and must be opened manually or set to automatically open. Which Oracle 18c ...

INF3707-Database Design And Implementation EXAM PACK 2022. Question 1 10 marks 1.1 Which Oracle Database management system is prescribed for this module? (2 marks) 1.2 How do you login as the system administrator on the Oracle SQL*plus interface? Provide the code. (2 marks) 1.3 After you have successfully installed Oracle database, how do you open the pluggable databases so that they can automatically open? (4 marks) 1.4 By default, Oracle pluggable databases remain closed and must be open...

INF3707 EXAM NOTES. Database Design And Implementation. Difference between inner & outer join: Both inner & outer are used to combine rows for different tables into a single result. The difference is that inner join does not allow/retrieve non-matching rows (matched by PK & FK) where outer join does. The outer join will display ALL records from the table selected (by LEFT or RIGHT keyword) as well as the matching records from the other table that is in the query. The inner join will only di...

INF3707 Exam Notes b.View – virtual table, not table on its own but mirrors table(temp table). Multiple tables – complex, single table – simple. In addition, the function and GROUP BY clause prevent changing the displayed data because each record might represent more than one row in the underlying key-preserved Reasons for view table – security, not direct DB access, efficiency – less direct DB hits table. CH. 13, text book pg 517 e-book pg 539 1.2 c. _ and % allows white chara...

INF3707 Exam Notes 1.1 b.View – virtual table, not table on its own but mirrors table(temp table). Multiple tables – complex, single table – simple. In addition, the function and GROUP BY clause prevent changing the displayed data because each record might represent more than one row in the underlying key-preserved Reasons for view table – security, not direct DB access, efficiency – less direct DB hits table. CH. 13, text book pg 517 e-book pg 539 1.2 c. _ and % allows white c...