anchor.diff:  createLikeClause_
       : LP_? LIKE tableName RP_?
       ;
  +
  +createIndexSpecification_
  +    : (UNIQUE | FULLTEXT | SPATIAL)?
  +    ;
  +
  +
  +
  +
  +
   
   alterSpecifications_
       : alterSpecification_ (COMMA_ alterSpecification_)*
  
positive.code: import Symbol, Keyword, Literals, BaseRule;
  
  createTable
      : CREATE createSpecification_ TABLE notExistClause_ tableName (createDefinitionClause_ | createLikeClause_)
      ;
  
  createIndex
      : CREATE (UNIQUE | FULLTEXT | SPATIAL)? INDEX indexName indexType_? ON tableName
      ;
  
  alterTable
  
negative.code:     : TRUNCATE TABLE? tableName
      ;
  
  createTableSpecification_
      : TEMPORARY?
      ;
  
  