The relational model is based on predicate logic and set theory, which provide a solid mathematical foundation for database management.
關(guān)系模型基于謂詞邏輯和集合論，為數(shù)據(jù)庫管理提供了堅(jiān)實(shí)的數(shù)學(xué)基礎(chǔ)。
唯一真正的智慧是自知無知。
The reason we can stand on stage is because of you.
The challenge for us is to create content that is compelling and relevant.