rdbms
A relational database is a digital database based on the relational model of data, as proposed by E. F. Codd in 1970. A software system used to maintain relational databases is a relational database management system (RDBMS). Many relational database systems have an option of using the SQL (Structured Query Language) for querying and maintaining the database.
芝士就是力量，法国就是培根！
Knowledge is power -- Francis Bacon
人要是没有梦想，和咸鱼有什么分别？光标请勿在最高司令官身上停留！