Defines an ADO.NET DataTable.
                  
 
            	 
            
               Syntax:
 
               		 
               		>>--EXEC ADO---DECLARE datatable_name DATATABLE---------------------->
 >-------------( table_item_list )---------------------END-EXEC------><
where
table_item_list:
      +------------------   ,   ----------------------+
      V                                               |
 >-.--+-column_name data_type .----------------.------+--------------><
      |                       +-column_options-+      |
      |                                               |
      +-CONSTRAINT constraint_name constraint_def-----+
data_type: 
       
 >-+-BOOLEAN---+---><
   +-SBYTE-----+  
   +-INT16-----+
   +-INT32-----+
   +-INT64-----+
   +-DATETIME--+
   +-DECIMAL---+
   +-SINGLE----+
   +-DOUBLE----+
   +-STRING(N)-+
   +-OBJECT----+
   
column_options:
 >-.----------.---.-----------------.---.----------.---.--------.---->
   +-NULL-----+   +-DEFAULT literal-+   +-READONLY-+   +-UNIQUE-+
   +-NOT NULL-+   +-DEFAULT ident---+
   
 >-.---------------------------.--.---------------.------------------><  
   +-AUTOINCREMENT FROM N BY N-+  +-CAPTION ident-+
constraint_def:
 >--+--PRIMARY KEY (column_list)--+--><
    +--UNIQUE (column_list)-------+
 
               	   
            	 
            
               Parameters:
 
               		 
               		
                
                  		
                  
                      
                        			  
                        			  
                        			 
                         
                           				
                            
                              				  
                              | datatable_name | The DataTable to be declared. | 
 
                           				
                            
                              				  
                              | column_name | The name of a column in the DataTable | 
 
                           				
                            
                              				  
                              | data_type | The column data types available. | 
 
                           				
                            
                              				  
                              | column_options | The column options available. | 
 
                           				
                            
                              				  
                              | constraint_name | The name of a constraint for the DataTable. | 
 
                           				
                            
                              				  
                              | constraint_def | The definition of the primary or unique key for the DataTable, as specified with columns. | 
 
                           				
                            
                              				  
                              | column_list | A list of columns in the DataTable, separated by commas. | 
 
                           			 
                         
                        		  
                     
                    
                  		
                 
               	 
              
            	 
             
            	 
            
               Example:
 
               		 
               		     EXEC ADO
        DECLARE Orders DATATABLE
        ( OrderID               INT32           AUTOINCREMENT FROM -1 BY -1
         ,CustomerID            STRING(5)
         ,EmployeeID            INT32
         ,OrderDate             DATETIME
         ,RequiredDate          DATETIME
         ,ShippedDate           DATETIME
         ,ShipVia               INT32
         ,Freight               DECIMAL
         ,ShipName              STRING(40)
         ,ShipAddress           STRING(60)
         ,ShipCity              STRING(15)
         ,ShipRegion            STRING(15)
         ,ShipPostalCode        STRING(10)
         ,ShipCountry           STRING(15)
         , CONSTRAINT pk_Orders primary key(OrderID)) 
     END-EXEC. 
               	   
            
           
         
         
Comments:
A DECLARE DATATABLE statement is required for each DataTable specified in a DECLARE DATASET statement.
The DECLARE DATATABLE statement syntax is similar to the embedded EXEC SQL CREATE TABLE statement.