📊 MySQL
Q. How many among the following use NULL to indicate failure?
mysql_init(), mysql_real_connect()
  • (A) 0
  • (B) 1
  • (C) 2
  • (D) 3
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✅ Correct Answer: (C) 2

Explanation: This question is asking about how functions in MySQL handle errors. In particular, it wants to know if they use NULL to signal that something went wrong.

Explanation by: Ravi Shankar
This question is asking about how functions in MySQL handle errors. In particular, it wants to know if they use NULL to signal that something went wrong.

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