vi IBM Informix OnLine Database Server Administrator’s Guide
Structure of a Blobspace or Dbspace Mirror Chunk ..... 2-92
OnLine Limits for Chunks ............. 2-93
Reserved Pages .................2-95
Chunk Free-List Page ...............2-103
tblspace Tblspace.................2-104
Database Tblspace ................2-107
Create a Database: What Happens on Disk ........2-108
OnLine Limits for Databases.............2-110
Create a Table: What Happens on Disk .........2-110
Create a Temporary Table: What Happens on Disk .....2-113
Structure of an Extent ...............2-114
Next Extent Allocation...............2-117
Structure of a Dbspace Page .............2-120
Data Row Format and Rowid ............2-123
Data Pages and Data Row Storage...........2-125
Structure of an Index Page .............2-133
Structure of a Dbspace Bit-Map Page ..........2-143
Blob Storage and the Blob Descriptor..........2-145
Structure of a Dbspace Blob Page ...........2-146
Blobspace Page Types ...............2-148
Structure of a Blobspace Blobpage...........2-149
Physical Log ....................2-152
Logical Log Files ..................2-154
Fast Recovery and Data Restore............2-154
File Rotation ..................2-155
File Contents ..................2-156
Number and Size.................2-156
Blobspace Logging ................2-158
Long Transactions ................2-159