Ingres 9.2 Migration Guide - Actian

Increased Maximum Size of Character Data Types ................................................................. 194User-Visible DBA Enhancements .......................................................................................... 194Usermod Utility............................................................................................................ 194Auditdb Utility ............................................................................................................. 195Copydb Utility ............................................................................................................. 195Raw Location Support................................................................................................... 195GatherWrite Threads .................................................................................................... 196XML Import/Export Utility.............................................................................................. 196Journal Analyzer .......................................................................................................... 196Import Assistant .......................................................................................................... 196Automated Creation of Location Directories...................................................................... 197Remote Command Server Enhancements ........................................................................ 198Microsoft Transaction Server Support.............................................................................. 198Concurrent Rollback ..................................................................................................... 198Internal Performance Enhancements .................................................................................... 198Aggregate Sort Nodes................................................................................................... 198Composite Histograms.................................................................................................. 198Optimizer Support for Hash Joins ................................................................................... 199Locking System Performance Improvements ......................................................................... 199Preallocated RSB/LKBs.................................................................................................. 199Miscellaneous Locking System Improvements .................................................................. 199Logging System Performance Improvements ......................................................................... 200Buffer Manager Performance Improvements .......................................................................... 200Operating System Integration ............................................................................................. 20064-Bit Operating Systems ............................................................................................. 200Operating System Thread Implementation on Linux .......................................................... 200Ingres ICE Enhancements................................................................................................... 201ICE Development Environment ...................................................................................... 201ODBC Enhancements ......................................................................................................... 201Functions Supported by ODBC Driver.............................................................................. 201Unavailable Features in the ODBC Driver ......................................................................... 202JDBC Enhancements .......................................................................................................... 202Support for Unicode........................................................................................................... 203New Character Sets to Support Euro Currency Symbol............................................................ 204Appendix G: Features Introduced in Ingres II 2.5207Sort Enhancements ........................................................................................................... 207QEF Sort Enhancements................................................................................................ 208DMF Sort Enhancements ............................................................................................... 209Parallel Sort Techniques................................................................................................ 209ANSI/ISO Constraint Enhancements..................................................................................... 210Large Cache Support ......................................................................................................... 211x Migration Guide