More general Ntuples: Column-Wise-Ntuples (CWN)

A CWN supports the storage of the following data types: floating point numbers (REAL*4 and REAL*8), integers, bit patterns (unsigned integers), booleans and character strings.

• Data Compression
• Storage Model
• Performance
• Booking a CWN
• Describing the columns of a CWN
• Alternative way of booking a CWN
• Filling a CWN
• Recovery procedure
• Disk resident Ntuples