Using Databases with Python (Python for Everybody Specialization)

Using Encoded Data in Python 3 :Using Databases with Python (Python for Everybody Specialization) Answers 2025

Question 1 What is the most common Unicode encoding when moving data between systems? ✅ UTF-8❌ UTF-16❌ UTF-128❌ UTF-64❌ UTF-32 Explanation:UTF-8 is the standard encoding for data transmission on the internet — compact, backward-compatible with ASCII, and universally supported. Question 2 What is the ASCII character that is associated with the decimal value 42? ✅… <a href="https://codeshala.io/platform/coursera/course/using-databases-with-python-python-for-everybody-specialization/assignment/using-encoded-data-in-python-3-using-databases-with-python-python-for-everybody-specialization-answers-2025/" rel="bookmark">Using Encoded Data in Python 3 :Using Databases with Python (Python for Everybody Specialization) Answers 2025</a>

Object Oriented Programming :Using Databases with Python (Python for Everybody Specialization) Answers 2025

Question 1 Which came first, the instance or the class? ✅ class❌ instance❌ method❌ function Explanation:A class defines the blueprint or template for objects — therefore, it must exist before any instances can be created from it. Question 2 In Object Oriented Programming, what is another name for the “attributes” of an object? ✅ fields❌… <a href="https://codeshala.io/platform/coursera/course/using-databases-with-python-python-for-everybody-specialization/assignment/object-oriented-programming-using-databases-with-python-python-for-everybody-specialization-answers-2025/" rel="bookmark">Object Oriented Programming :Using Databases with Python (Python for Everybody Specialization) Answers 2025</a>

Single-Table SQL :Using Databases with Python (Python for Everybody Specialization) Answers 2025

Question 1 Structured Query Language (SQL) is used to (check all that apply) ✅ Create a table✅ Insert data✅ Delete data❌ Check Python code for errors Explanation:SQL manages data in databases — creating tables, inserting, updating, and deleting data — not for checking Python syntax. Question 2 Which of these is the right syntax to… <a href="https://codeshala.io/platform/coursera/course/using-databases-with-python-python-for-everybody-specialization/assignment/single-table-sql-using-databases-with-python-python-for-everybody-specialization-answers-2025/" rel="bookmark">Single-Table SQL :Using Databases with Python (Python for Everybody Specialization) Answers 2025</a>

Multi-Table Relational SQL :Using Databases with Python (Python for Everybody Specialization) Answers 2025

Question 1 What is the primary added value of relational databases over flat files? ✅ Ability to scan large amounts of data quickly❌ Ability to convert to HTML❌ Execute JavaScript❌ Send across network❌ Execute Python code Explanation:Relational databases allow fast searching, indexing, and joining of large datasets — which flat files cannot do efficiently. Question… <a href="https://codeshala.io/platform/coursera/course/using-databases-with-python-python-for-everybody-specialization/assignment/multi-table-relational-sql-using-databases-with-python-python-for-everybody-specialization-answers-2025/" rel="bookmark">Multi-Table Relational SQL :Using Databases with Python (Python for Everybody Specialization) Answers 2025</a>

Many-to-Many Relationships and Python :Using Databases with Python (Python for Everybody Specialization) Answers 2025

Question 1 How do we model a many-to-many relationship between two database tables? ✅ We add a table with two foreign keys❌ ARRAY column type❌ 10 foreign keys❌ BLOB columns Explanation:A junction (association) table is used to model many-to-many relationships.For example, a StudentCourse table connects Students and Courses using two foreign keys: student_id and course_id.… <a href="https://codeshala.io/platform/coursera/course/using-databases-with-python-python-for-everybody-specialization/assignment/many-to-many-relationships-and-python-using-databases-with-python-python-for-everybody-specialization-answers-2025/" rel="bookmark">Many-to-Many Relationships and Python :Using Databases with Python (Python for Everybody Specialization) Answers 2025</a>