Scenario: You are working with an Oracle database and need to handle NULL values gracefully while reading data. Which method of the OracleDataReader would you use for this purpose?

  • GetOracleValue()
  • GetString()
  • GetValue()
  • IsDBNull()
The IsDBNull() method of the OracleDataReader class allows for the graceful handling of NULL values in an Oracle database. It returns true if the specified column contains a NULL value, enabling developers to handle NULLs appropriately in their application logic. GetValue() retrieves the value of the specified column, GetString() returns the value of the specified column as a string, and GetOracleValue() is not a valid method in OracleDataReader.
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