o if I have this table: staffNo dentistName patientNo patientName appointment_date appointment_time surgery_no S1011 Tony Smith P100 Gillian White 12-Aug-03 10:00 S10 S1011 Tony Smith P105 Jill Bell 13-Aug-03 12:00 S15 S1024 Helen Pearson P108 Ian MacKay 12-Sep-03 10:00 S10 S1024 Helen Pearson P108 Ian MacKay 14-Sep-03 10:00 S10 S1032 Robin Plevin P105 Jill Bell 14-Oct-03 16:30 S15 S1032 Robin Plevin P110 John Walker 15-Oct-03 18:00 S13   Here the non-trivial functional relations include at least the following: staffNo --> dentistName patientNo -->patientName partientNo, appointment_date, appointment_time --> surgery_no

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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.