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Which database level is closest to the users?
External database level is closest to the users.
Problem: (a) Briefly explain the ‘Hierarchical Database Model' using appropriate diagram. (b) List and briefly describe five potential benefits of the database approach comp
need to get answer for questions 3&4 on this page in part 1
Given the following relations Vehicle (Reg_no, make, colour) Person(eno, name, address) Owner(eno, reg_no) Write expressions in the relational algebra to answer the following
under what condition log based recovery is feasible?
management information system based on functional organisation
Command Line Interfaces: These are interactive interfaces, character-based that let you use the complete power and functionality of the DBMS query language directly. They permit yo
Describe the capabilities offered via MySQL client APIs? . • Checking for errors. . • Connecting to the MySQL server, selecting a database, disconnecting from the server
What is the main goal of RAID technology? Describe the levels 1 through 5. RAID stands for Redundant Array of Inexpensive (or sometimes "Independent")Disks. RAID is a met
What is a primary index? A primary index is an index whose search key also explains the sequential order of the file.
What is D command work in the respect of QBE? D: It is the command inside QBE to delete tuple(s) from the relation.
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