anchor.diff:  
   
   
  -tableOption
  -    : DATA_COMPRESSION EQ_ (NONE | ROW | PAGE) (ON PARTITIONS LP_ partitionExpressions RP_)?
  -    | FILETABLE_DIRECTORY EQ_ ignoredIdentifier_ 
  -    | FILETABLE_COLLATE_FILENAME EQ_ (collationName | DATABASE_DEAULT)
  -    | FILETABLE_PRIMARY_KEY_CONSTRAINT_NAME EQ_ ignoredIdentifier_
  -    | FILETABLE_STREAMID_UNIQUE_CONSTRAINT_NAME EQ_ ignoredIdentifier_
  -    | FILETABLE_FULLPATH_UNIQUE_CONSTRAINT_NAME EQ_ ignoredIdentifier_
  -    | SYSTEM_VERSIONING EQ_ ON (LP_ HISTORY_TABLE EQ_ tableName (COMMA_ DATA_CONSISTENCY_CHECK EQ_ (ON | OFF))? RP_)?
  -    | REMOTE_DATA_ARCHIVE EQ_ (ON (LP_ tableStretchOptions (COMMA_ tableStretchOptions)* RP_)? | OFF LP_ MIGRATION_STATE EQ_ PAUSED RP_)
  -    | tableOptOption
  -    | distributionOption
  -    | dataWareHouseTableOption
  -    ;
  -
  -tableOptOption
  -    : (MEMORY_OPTIMIZED EQ_ ON) | (DURABILITY EQ_ (SCHEMA_ONLY | SCHEMA_AND_DATA)) | (SYSTEM_VERSIONING EQ_ ON (LP_ HISTORY_TABLE EQ_ tableName (COMMA_ DATA_CONSISTENCY_CHECK EQ_ (ON | OFF))? RP_)?)
  -    ;
  -
  -distributionOption
  -    : DISTRIBUTION EQ_ (HASH LP_ columnName RP_ | ROUND_ROBIN | REPLICATE) 
  -    ;
  -
  -dataWareHouseTableOption
  -    : CLUSTERED COLUMNSTORE INDEX | HEAP | dataWareHousePartitionOption
  -    ;
  -
  -dataWareHousePartitionOption
  -    : (PARTITION LP_ columnName RANGE (LEFT | RIGHT)? FOR VALUES LP_ simpleExpr (COMMA_ simpleExpr)* RP_ RP_)
  -    ;
  -
  -tableStretchOptions 
  -    : (FILTER_PREDICATE EQ_ (NULL | functionCall) COMMA_)? MIGRATION_STATE EQ_ (OUTBOUND | INBOUND | PAUSED)
  -    ;
  -
  -partitionScheme_
  -    : (ON (schemaName LP_ columnName RP_ | ignoredIdentifier_ | STRING_))?
  -    ;
  -
  -fileGroup_
  -    : (TEXTIMAGE_ON (ignoredIdentifier_ | STRING_))? ((FILESTREAM_ON (schemaName) | ignoredIdentifier_ STRING_))? (WITH LP_ tableOption (COMMA_ tableOption)* RP_)?
  -    ;
  -
  -periodClause
  -    : PERIOD FOR SYSTEM_TIME LP_ columnName COMMA_ columnName RP_
  -    ;
  +
  
positive.code:     : SET LP_ LOCK_ESCALATION EQ_ (AUTO | TABLE | DISABLE) RP_
      | MEMORY_OPTIMIZED EQ_ ON
      | DURABILITY EQ_ (SCHEMA_ONLY | SCHEMA_AND_DATA) 
      | SYSTEM_VERSIONING EQ_ ON (LP_ HISTORY_TABLE EQ_ tableName (COMMA_ DATA_CONSISTENCY_CHECK EQ_ (ON | OFF))? RP_)?
      ;
  
  tableExistClause_
  
negative.code:     ;
  
  tableIndex
      : INDEX indexName indexNameOption_ (WITH indexOptions_)? indexOnClause? fileStreamOn_?
      ;
  
  indexNameOption_
      : (CLUSTERED | NONCLUSTERED)? columnNames | CLUSTERED COLUMNSTORE | NONCLUSTERED? COLUMNSTORE columnNames
      ;
  
  indexOptions_
      : LP_ indexOption (COMMA_ indexOption)* RP_
      ;
  
  periodClause
      : PERIOD FOR SYSTEM_TIME LP_ columnName COMMA_ columnName RP_
      ;
  
  partitionScheme_
      : (ON (schemaName LP_ columnName RP_ | ignoredIdentifier_ | STRING_))?
      ;
  
  fileGroup_
      : (TEXTIMAGE_ON (ignoredIdentifier_ | STRING_))? ((FILESTREAM_ON (schemaName) | ignoredIdentifier_ STRING_))? (WITH tableOptions)?
      ;
  
  tableOptions
      : LP_ tableOption (COMMA_ tableOption)* RP_
      ;
  
  tableOption
      : DATA_COMPRESSION EQ_ (NONE | ROW | PAGE) (ON PARTITIONS LP_ partitionExpressions RP_)?
      | FILETABLE_DIRECTORY EQ_ ignoredIdentifier_ 
      | FILETABLE_COLLATE_FILENAME EQ_ (collationName | DATABASE_DEAULT)
      | FILETABLE_PRIMARY_KEY_CONSTRAINT_NAME EQ_ ignoredIdentifier_
      | FILETABLE_STREAMID_UNIQUE_CONSTRAINT_NAME EQ_ ignoredIdentifier_
      | FILETABLE_FULLPATH_UNIQUE_CONSTRAINT_NAME EQ_ ignoredIdentifier_
      | SYSTEM_VERSIONING EQ_ ON onHistoryTableClause?
      | REMOTE_DATA_ARCHIVE EQ_ (ON tableStretchOptions? | OFF migrationState_)
      | tableOperationOption
      | distributionOption
      | dataWareHouseTableOption
      ;
  
  tableStretchOptions
      : LP_ tableStretchOptions (COMMA_ tableStretchOptions)* RP_
      ;
  
  tableStretchOption
      : (FILTER_PREDICATE EQ_ (NULL | functionCall) COMMA_)? MIGRATION_STATE EQ_ (OUTBOUND | INBOUND | PAUSED)
      ;
  
  migrationState_
      : LP_ MIGRATION_STATE EQ_ PAUSED RP_
      ;
  
  tableOperationOption
      : (MEMORY_OPTIMIZED EQ_ ON) | (DURABILITY EQ_ (SCHEMA_ONLY | SCHEMA_AND_DATA)) | (SYSTEM_VERSIONING EQ_ ON onHistoryTableClause?)
      ;
  
  distributionOption
      : DISTRIBUTION EQ_ (HASH LP_ columnName RP_ | ROUND_ROBIN | REPLICATE) 
      ;
  
  dataWareHouseTableOption
      : CLUSTERED COLUMNSTORE INDEX | HEAP | dataWareHousePartitionOption
      ;
  
  dataWareHousePartitionOption
      : (PARTITION LP_ columnName RANGE (LEFT | RIGHT)? FOR VALUES LP_ simpleExpr (COMMA_ simpleExpr)* RP_ RP_)
      ;
  
  createIndexSpecification_
  