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Database design
Database tables will be created for you on the Technology web server. The schema will be as follows. Please note that this is a simplified database structure, designed to make it straightforward to implement the assignment on a basic level; you can modify this or add additional tables if you wish. Only the first two tables are absolutely essential to implement a bare pass solution.
sc_users table
Records users in the system, and whether they are an administrator or a regular user.
ID INT PRIMARY KEY
isadmin TINYINT
name VARCHAR(255)
username VARCHAR(255)
password VARCHAR (255)
dayofbirth INT
monthofbirth INT
yearofbirth INT
filmshowings
Records the current film showings.
film VARCHAR(255)
date VARCHAR(255)
time VARCHAR(255)
screen INT
maxtickets INT
certificate VARCHAR(5)
mybookings
A table which can be used if you wish to implement code to allow users to view, change and cancel their bookings. Not required for a bare pass answer but useful for more advanced answers.
username varchar(255)
showingID INT
ntickets INT
A database to track your progress in your college program will track your progress towards graduation! A database that has information containing the classes that you have taken, c
Improved Reliability: In a centralised DBMS, a server failure stops the operations of the DBMS. Though, a failure at single site of a DDBMS, or a failure of a communication link cr
What is system catalog or catalog relation? How is better known as? A RDBMS maintains a explanation of all the data that it contains, information about every relation and index
example of bank
Illustration of implementation of inheritance Let us take the illustration of implementation of inheritance. Suppose that we are about to implement the Stack class and by now w
Explain the Log Based Recovery Method? The system log that is generally written on stable storage consists of the redundant data required to recover from volatile storage failu
1. Which relational algebra operations do not need the participating tables to be union-compatible? Ans: Join is the relational algebra operations that do not need the particip
What is the meaning of Data independence? Data independence means a programs that are not dependent on the physical attributes of data and a programs that are not dependent on
What is a SELECT operation? The select operation selects tuples that please a given predicate. We use the lowercase letter σ to denote selection.
Information about a bank is about customers and their account. Customer has a name, address that consists of house number, area and city, and one or more phone numbers. Account ha
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