Consider the following ER diagram for a social network application. Write the SQL-DDL statements, to create tables for the following ER diagram and capture as many of the constraints as possible. Specify your decisions with the foreign key constraints.

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SQL Query

Structured Query Language is the full form of SQL. It is one of the standard languages to deal with the relational database. It is used to insert, update, delete, and search the records stored in a RDBMS. The relational databases are created and managed by using SQL.