Title: Valid PCAD-31-02 Exam Voucher | PCAD-31-02 Questions Answers [Print This Page] Author: jimking945 Time: 3 day before Title: Valid PCAD-31-02 Exam Voucher | PCAD-31-02 Questions Answers Through our prior investigation and researching, our PCAD-31-02 preparation exam can predicate the exam accurately. You will come across almost all similar questions in the real PCAD-31-02 exam. Then the unfamiliar questions will never occur in the examination. Even the PCAD-31-02 test syllabus is changing every year; our experts still have the ability to master the tendency of the important knowledge as they have been doing research in this career for years.
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The Tester's Handbook: PCAD-31-02 Online Test EngineThere are a lot of sites provide the Python Institute PCAD-31-02 exam certification and other training materials for you. SurePassExams is only website which can provide you Python Institute PCAD-31-02 exam certification with high quality. In the guidance and help of SurePassExams, you can through your Python Institute PCAD-31-02 Exam the first time. The questions and the answer provided by SurePassExams are IT experts use their extensive knowledge and experience manufacturing out. It can help your future in the IT industry to the next level. Python Institute Certified Associate Data Analyst with Python (PCAD-31-02) Sample Questions (Q124-Q129):NEW QUESTION # 124
Which of the following correctly demonstrates the use of parameterized queries using Python's sqlite3 module?
A. cursor.execute("SELECT * FROM users WHERE id = ':id'", {'id': user_id})
B. cursor.execute("SELECT * FROM users WHERE id = ?", (user_id,))
C. cursor.execute("SELECT * FROM users WHERE id = ?", user_id)
D. cursor.execute("SELECT * FROM users WHERE id = " + user_id)
Answer: B
NEW QUESTION # 125
How would you extract the last three rows of a DataFrame df using position-based indexing?
A. df.iloc[-3:]
B. df[-3]
C. df.loc[-3:]
D. df.tail(3)
Answer: A
NEW QUESTION # 126
Which best practices help enhance database security when building Python data analysis pipelines?
(Choose two)
A. Limit database user permissions to only necessary operations
B. Sanitize input by replacing dangerous characters with asterisks
C. Store credentials securely using environment variables
D. Construct queries using f-strings for readability
Answer: A,C
NEW QUESTION # 127
Which techniques are commonly used to manage type conversion between SQL and Python when importing database values?
(Choose two)
A. Automatically casting Python variables to SQL column types without validation
B. Defining column types in Python using sqlite3.register_converter()
C. Using a mapping function to convert SQL types into Python objects
D. Ignoring data types and treating everything as strings
Answer: B,C
NEW QUESTION # 128
Which SQL commands can be used to modify the contents of a table's data directly?
(Choose all that apply)
A. UPDATE
B. DELETE
C. INSERT
D. SELECT
Answer: A,C
NEW QUESTION # 129
......
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