Creational Design Patterns in Modern C++ - Database Framework Usage

The lecture discusses the drawbacks of using preprocessor directives for creating database instances, highlighting issues with code maintenance and runtime flexibility. It suggests using conditional statements as an alternative but notes that this still poses challenges. The lecture emphasizes the need for consistent database usage and introduces the factory method as a potential solution to improve code structure and enforce consistency.

What is the main issue with using preprocessor directives for database class instantiation?

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How does the approach of using conditional statements compare to preprocessor directives?

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What potential problems arise when adding support for a new database like Oracle?

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What are the two main requirements for instantiating database classes mentioned in the lecture?

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What solution does the teacher propose to resolve the issues with database class instantiation?

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