Table Existence

//Checking to see if a table (or tables) exist or not

let hasNonEmptyTable = (T:string, T2:string) 
{ 
   toscalar( 
   union isfuzzy=true 
   ( table(T) | take 1 | count as Count ),
   ( table(T2) | take 1 | count as Count),
   (print Count=0) 
   | summarize sum(Count) 
   ) > 1
};
let TableName = 'AzureActivity';
let TableName2 = 'SecurityEvent';
print  IsPresent=iif(hasNonEmptyTable(TableName,TableName2 ), "present", "not present")