Calling SQL gurus

Hello SQL Gurus I am trying to write an sql statement that will return a row which contains vendor info, how much he owes, total payments and balance due. The results should look like this : ABC,VENDOR ONE,333.33,199.98,133.35 DEF,VENDOR TWO,333.33, 0.00,333.33 The statement uses 3 tables and

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I am a user whom it loves to use the services of mysql, but do not have like beginning, please to send the manuals to me of as to begin to work this fabulous manejador of data base att. randy ochoa