68Pxx Theory of data ( 0 Dok. )

• 68P05 Data structures ( 0 Dok. )
• 68P10 Searching and sorting ( 0 Dok. )
• 68P15 Database theory ( 0 Dok. )
• 68P20 Information storage and retrieval ( 0 Dok. )
• 68P25 Data encryption, See also {94A60} ( 0 Dok. )
• 68P99 None of the above but in this section ( 0 Dok. )