Which of the following is NOT an isolation level for database transactions?
A. READ UNCOMMITTED
B. READ COMMITTED
C. REPEATABLE READ
D. DATA UNCHANGED
Answer: Option D
Solution(By Examveda Team)
"DATA UNCHANGED" is not an isolation level; the correct option is typically "SERIALIZABLE".What is database connectivity in Python?
A. Connecting to internet databases
B. Establishing a connection between Python and databases
C. Creating new databases using Python
D. Sending emails from Python to databases
Which module is commonly used for database connectivity in Python?
A. dbconnect
B. pydb
C. sqlite3
D. dbconnector
A. A type of programming language
B. A relational database management system
C. A Python module for web scraping
D. A version control system
How can you create a new SQLite database using the sqlite3 module?
A. Using the create_database() function
B. By writing SQL queries
C. By calling the new_database() method
D. By executing the sqlite3.create() command
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