Explain about Joins, Views, Normalization, Triggers?
What is SQL?
What are the usages of SQL?
Does SQL support programming language features?
What are the subsets of SQL?
What is the purpose of DDL Language?
What is the purpose of DML Language?
What are tables and fields in the database?
What is a primary key?
What is a foreign key?
What is a unique key?
What is the difference between a primary key and a unique key?
What is a Database?
What is meant by DBMS?
What are the different types of database management systems?
What is RDBMS?
参考