UCSD DEPARTMENT OF COMPUTER SCIENCE CS 123 Computer Networks: Route Computation In earlier lectures, we broke routing up into four pieces. The first was addressing by which we defined the structure of IP addresses and prefixes and NATs. The second piece of the puzzle is neighbor routing by which endnodes talk to routers (e.g, things […]
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Introduction to Computer Security Module G6077 Password hashing Learning objectives: Use crypt method to secure password Use password_hash() and password_verify() Other factors like cost consideration in securing password Use password_get_info and rehashing old hashes Contents Learning objectives: 1 Crypt () 3 Example-01 3 Example-02 3 Task-01 4 password_hash() 4 Example-03 4 Task-02 5 Cost in
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SQL Injection Attack Lab 1 1 Overview SQL Injection Attack Lab SQL injection is a code injection technique that exploits the vulnerabilities in the interface between web applications and database servers. The vulnerability is present when user’s inputs are not correctly checked within the web applications before being sent to the back-end database servers. Many
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COMP3311 20T3 The University of New South Wales Database Systems COMP3311 Database Systems 20T3 [Instructions] [Notes] [Database] [Course Website] [Cheat Sheets] [Q1] [Q2] [Q3] [Q4] [Q5] [Q6] [Q7] [Q8] [Q9] [Q10] [Q11] [Q12] Question 5 (9 marks) Write a PLpgSQL function that takes the name of a team and returns a single table containing the
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COMP3311 20T3 The University of New South Wales Database Systems COMP3311 Database Systems 20T3 [Instructions] [Notes] [Database] [Course Website] [Cheat Sheets] [Q1] [Q2] [Q3] [Q4] [Q5] [Q6] [Q7] [Q8] [Q9] [Q10] [Q11] [Q12] Question 4 (9 marks) Write a PLpgSQL function that takes the names of two teams ans returns the number of matches that
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COMP3311 20T3 The University of New South Wales Database Systems COMP3311 Database Systems 20T3 [Instructions] [Notes] [Database] [Course Website] [Cheat Sheets] [Q1] [Q2] [Q3] [Q4] [Q5] [Q6] [Q7] [Q8] [Q9] [Q10] [Q11] [Q12] Question 6 (9 marks) Write Python/Psycopg2 script that produces a list of match reports for a specified team T. The team is
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COMP3311 20T3 The University of New South Wales Database Systems COMP3311 Database Systems 20T3 [Instructions] [Notes] [Database] [Course Website] [Cheat Sheets] [Q1] [Q2] [Q3] [Q4] [Q5] [Q6] [Q7] [Q8] [Q9] [Q10] [Q11] [Q12] Question 7 (10 marks) Write a Python/Psycopg2 script that uses data from the footy database to produce a summary report on a
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COMP3311 20T3 The University of New South Wales Database Systems COMP3311 Database Systems 20T3 [Instructions] [Notes] [Database] [Course Website] [Cheat Sheets] [Q1] [Q2] [Q3] [Q4] [Q5] [Q6] [Q7] [Q8] [Q9] [Q10] [Q11] [Q12] Question 3 (8 marks) Write an SQL view that gives the country name of the team which has the most players who
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COMP3311 20T3 PostgreSQL Database Systems Summary information about what PostgreSQL v12 provides. In the examples below, x, y, s, etc. are attributes. Data Types Expressions Base Data Types integer, float, char(N), varchar(N), text, date, time, timestamp Domains create domain Name as BaseType check Constraint; Tuple Types create type Name as (Attr1 Type1, …, Attrn Typen);
COMP3311 20T3 The University of New South Wales COMP3311 Database Systems 20T3 [Instructions] [Notes] [Database] [Course Website] [Cheat Sheets] [Q1] [Q2] [Q3] [Q4] [Q5] [Q6] [Q7] [Q8] [Q9] [Q10] [Q11] [Q12] The University of New South Wales COMP3311 Database Systems 20T3 Thursday 3 December, 2020 1. Time Required: ~3 hours 2. Reading Time: as long
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