anchor.diff:      : TEMPORARY?
       ;
   
  -notExistClause_
  +tableNotExistClause_
       : (IF NOT EXISTS)?
       ;
   
  
positive.code: createIndexSpecification_
      : (UNIQUE | FULLTEXT | SPATIAL)?
      ;
  
  
  
  
negative.code: import Symbol, Keyword, Literals, BaseRule;
  
  createTable
      : CREATE createTableSpecification_ TABLE tableNotExistClause_ tableName (createDefinitionClause_ | createLikeClause_)
      ;
  
  createIndex
  