Which of the following are valid SQL data types?

Which of the following SQL constraints ensure uniqueness?

Which SQL statement is used to retrieve data from a database?

Which of the following clauses can be used to filter query results?

Which SQL statements modify existing data in a table?

Which clause is used to filter records in SQL?

Which of the following are valid SQL aggregate functions?

Which SQL functions handle `NULL` values?

Which SQL clause is used to sort query results?

What actions can be performed using the `ALTER TABLE` command?

Match the SQL functions with their result

What keyword is used to remove duplicates from a result set?

Match the outputs with their aggregate functions

Match the types of joins with their description

How do you delete all rows from a table without removing its structure?

Match the categories with their correct SQL data types

Match the SQL operators with their function

What is the purpose of the `JOIN` operation in SQL?

Match the SQL execution order with its step

What is the default sorting order of `ORDER BY`?

Match the definitions with their SQL constraints

What is the correct way to print `"Hello, World!"` in Python?

Which of the following are valid string operations in Python?

Which of the following are built-in data types in Python?

Which of the following is a valid variable name?

Which of the following statements about Python lists are correct?

Which of the following are valid Python loop constructs?

How do you get the length of a list `my_list`?

Which of the following methods are used with dictionaries?

Which of the following will correctly convert a string to an integer?

What keyword is used to define a function in Python?

Which of the following are valid ways to create a set in Python?

Match pairs for string operation function and its meaning

Which statement is used to exit a loop prematurely?

Match the descriptions with their correct expressions

Which keyword is used for exception handling in Python?

Match pairs for list operation and its meaning

Match the descriptions with their correct functions

Which of the following is used to include a module in Python?

Match pairs for loop or conditional part and its meaning

What is the main advantage of using an index in SQL?

Which of the following statements about indexes are true?

Which type of `JOIN` returns only matching rows from both tables?

Which of these SQL functions can be used for string manipulation?

Which SQL function extracts a portion of a date?

Which statements are true about transactions in SQL?

Which of the following are aggregate functions?

Which of the following can be used to enforce data integrity in SQL?

Which of the following statements about SQL joins are true?

What is the purpose of a `COMMIT` statement in SQL?

Which SQL keywords are used for subqueries?

How do you find the highest salary from an "employees" table?

Match each SQL concept with its correct description

What does the following SQL query return?

Match each description with its correct SQL concept

Which SQL command is used to create a view?

What does the following SQL statement do?

Which SQL function returns the first non-NULL value from a list of arguments?

What is the default isolation level in most SQL databases?

What happens if you try to insert a `NULL` value into a column with a `NOT NULL` constraint?

How can you get the last inserted `ID` in a table?

What does the `enumerate()` function return?

Which of the following statements about Python's `is` operator are true?

Which of the following can be used as dictionary keys?

What is the purpose of the `__slots__` attribute in a Python class?

Which of the following statements about Python's `with` statement are true?

Which of the following are valid Python decorators?

Which of the following methods can be used to remove an element from a list?

Which of the following will cause a `ZeroDivisionError`?

What does the `@staticmethod` decorator do?

Which of the following operations modify a list in-place?

Match special Python variables with their meaning

Match descriptions with their Python file modes

What is the difference between `deepcopy()` and `copy()` in Python?

Match Python exception types with their causes

Match descriptions with Python dictionary methods

What does the `@classmethod` decorator do?

Match Python loop control statements with their behavior

Match descriptions with Python set operations

What happens if you try to modify a tuple?

What is the main advantage of using `asyncio` in Python?

What happens if an object has cyclic references in Python?

Which statements are true about `__slots__`?

How does Python's garbage collector determine when to free an object?

Which statements are true about Python's memory model?

How can you prevent accidental overriding of methods in subclasses?

What is the main purpose of `__slots__` in Python classes?

What are valid ways to share data between threads safely?

Which are valid use cases of metaclasses?

What is stored in Python's Thread-Local Storage (threading.local())?

What are valid ways to create custom exceptions in Python?

Match the concept with its correct description

What is the purpose of type annotations in Python?

How does Python prevent memory leaks with circular references?

Match the built-in module with its purpose

Match the descriptions with their correct Python memory management concepts

What is the function of the `@property` decorator in Python?

Match the Python feature with its correct explanation

Match the descriptions with their type annotations

How do metaclasses modify class behavior?

What is the purpose of the `MERGE` statement in SQL?

Which of the following are characteristics of a clustered index?

Which isolation level prevents dirty reads, non-repeatable reads, but allows phantom reads?

Which of the following SQL statements can improve query performance?

What does the `WITH CHECK OPTION` in a SQL view do?

In a distributed database system, which techniques help ensure high availability?

What are the advantages of using `PARTITION BY` in window functions?

What are some key advantages of indexing in SQL?

What are the characteristics of database transactions?

What happens when you execute `DELETE FROM table_name` without a `WHERE` clause?

Which constraints help maintain data integrity in SQL databases?

Which of the following best describes an SQL window function?

How does `CLUSTERED INDEX` differ from a `NON-CLUSTERED INDEX`?

Match properties with SQL isolation levels

What does `SHARDING` in databases refer to?

Match definitions (ACID principles) with SQL transaction properties

What is a phantom read in SQL transactions?

Match SQL operations with their correct use cases

Match common SQL errors with their causes