7. A system comprising: a processor; and a memory coupled to the processor, wherein the memory comprises: an authentication module configured to authenticate a participant (P) for writing an SQL query; an execution module configured to: provide access to the participant (P) to an emulated database through a shared pool of configurable computing resources; and execute the SQL query of the participant (P) against the emulated database; a database scaling module configured to scale volume of the emulated database by increasing volume of the emulated database by a percentage based on inputs received from the participant (P) to tune performance of the SQL query; and an evaluation module configured to evaluate performance efficiency of the SQL query against the emulated database, scaled based on the inputs of the participant (P).
8. The system as claimed in claim 7 , wherein the database scaling module is configured to increase number of rows of tables in the emulated database to a number based on inputs received from the participant (P).