Views

The View are a tables that are taken or derived from other table. View is in the SQL is a logical subset of a data from one or more table. A view themselves do not contain data. It is used to restrict data access. Create the view used the CREATE command. Syntax: CREATE OR REPLACE [...]

SQL Join

SQL have a powerful capability to retrieve data from the table using single command. This process is called Join. In Join, table are listed in the WHERE/FROM clause. Syntax: SELECT , = FROM , WHERE = ; Equi join :- In the join, joining condition is based on equality between values the common column is [...]