Identify the correct syntax for declaring a variable of type int in Java.

Which of the following is the correct way to print 'Hello, World!' to the console in Java?

Select the correct statement about Java data types: Which of these is a floating-point type?

Choose the correct option: What is the default value of a boolean variable in Java?

Fill in the blanks: Complete the code to declare and initialize a String variable with the value 'Java'.

Match pairs: Match the Java keywords to their correct descriptions (e.g., 'class', 'public', 'static').

Which of the following is the correct way to start a for loop that counts from 1 to 5 in Java?

Fill in the blanks: Complete the if statement to check if a variable 'x' is greater than 10.

Select the correct answer: What is the purpose of the 'main' method in a Java application?

Drag and drop: Arrange the code snippets in the correct order to define a simple Java class named 'Car'.

Match pairs: Match the Java primitive data types to their correct size in bits.

Match pairs: Match the Java access modifiers to their correct level of access.

Multiple choice question on Python variable assignment. The question will present several code snippets and ask which one correctly assigns the value 10 to a variable named 'x'.

Fill in the blanks: Complete the Python code to print 'Hello, World!'. The code will have missing keywords or function names that need to be filled in with the correct single-word answers.

Match pairs: Match common Python data types (e.g., int, str, list) on the left with their correct example values on the right.

Drag and drop: Rearrange the provided Python statements to form a valid function definition that returns the sum of two numbers.

Multiple choice question with multiple correct answers: Which of the following are valid ways to create a list in Python? The options will include several code snippets, and more than one may be correct.

Identify which of the following is a mutable data structure in Python. The question will present several options such as list, tuple, and string.

Given a code snippet that creates a dictionary, select the correct way to access a value by its key from multiple choices.

Fill in the blanks: Complete the code to add an element to a Python set using the appropriate method. The code will have a missing method name.

Choose the correct statement about tuples in Python from a list of options. The question will test knowledge of tuple immutability and usage.

Match pairs: Match each data structure (list, set, dictionary, tuple) to its correct characteristic (ordered, mutable, allows duplicates, etc.).

Drag and drop: Rearrange the given code snippets to correctly create and iterate over a Python list.

Identify the correct syntax for printing 'Hello, World!' in Python. The question will present several code snippets, and you must select the correct one.

Choose the correct data type for the value 3.14 in Python. The question will provide multiple options such as int, float, str, and bool.

Fill in the blank: Complete the code to assign the value 10 to a variable named 'x'. The code snippet will have a missing word that you need to fill in.

Match pairs: Match the Python keywords on the left (e.g., 'if', 'for', 'def') with their correct descriptions on the right (e.g., 'conditional statement', 'loop', 'function definition').

Select the correct option: Which of the following is used to create a comment in Python? The question will list several possible comment syntaxes.

Drag and drop: Arrange the following lines of code in the correct order to create a simple function that returns the sum of two numbers.

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

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