36.9. check_constraints
  The view
  
   check_constraints
  
  contains all check
   constraints, either defined on a table or on a domain, that are
   owned by a currently enabled role.  (The owner of the table or
   domain is the owner of the constraint.)
 
   
    Table 36.7. 
    
     check_constraints
    
    Columns
   
  
| 
        Column Type Description  | 
     
|---|
| 
        
         Name of the database containing the constraint (always the current database)  | 
     
| 
        
         Name of the schema containing the constraint  | 
     
| 
        
         Name of the constraint  | 
     
| 
        
         The check expression of the check constraint  |