3. Write an SQL query to fetch the EmpId and FullName of all the employees working under Manager with id – ‘121’. 4.Write an SQL query to fetch the count of employees working in project ‘P2'.

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A: HERE IS COMPLETE SOLUTION REGARDING YOUR PROBLEM :

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A: Please refer to the following step for the complete solution of the problem above.

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A: Actually, SQL stands for Structured Query Language.

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A: Find the required procedure in PL/SQL given as below :

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A: The solution is written in SQL. Please check the solution in the next step. Note:  As per the…

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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.