Returns the hour from a time or datetime value.
| Category: | Date and Time | 
| Returned data type: | TINYINT | 
specifies any valid expression that represents a time value.
| Data type | TIME | 
| See | FedSQL Expressions | 
specifies any valid expression that represents a datetime value.
| Data type | TIMESTAMP | 
| See | FedSQL Expressions | 
| 
                           
                            Statements 
                           
                         | 
                        
                        
                           
                            Results 
                           
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|---|---|
                           
                           select hour(endtime) from custonline;  | 
                        
                        
                           
                           10 22 19 12 12 16 15 11 10 9  | 
                        
                     
                           
                           select hour(current_time);  | 
                        
                        
                           
                           14  |