Variable B-Tree. Used by HG, LF for varchar, varbinary datatypes.
Fixed B-Tree. Used by HG, LF, WD, DT, TM, DTTM indexes for fixed datatypes. Table VDO to store index metadata.
Persistent Bit Vector. Used by Join bloom filters and range predicate processing.
Variable Sized Data Object. Used by Table VDO to store index metadata.
DBSpace Header Block. Used by First block of each dbspace.
Database Identity. Used by One block per database.
Sort data. Used by Sort objects in the temp cache.
Temporary data storage. Used by Scrolling cursor store. Temporary query storage: union, cursors, OLAP.
Group Array structure. Used by HG, WD index, Join Index.
Byte Array. Used by FP and LOB index.
Blockmap. Used by Metadata for all objects.
Hash Table data. Used by Hash Objects in the temp cache.
Checkpoint Log. Used by Checkpoint log entries in the main store.
Bitmap Data. Used by Indexes, query processing and database structures.
Multiplex Commit Identity. Used by Multiplex to notify query servers of new versions.
Recid Cache Data. Used by Used by sp_iqcheckdb in temp only.
Long Binary Storage. Used by Long varchar and long binary storage.
