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TurboDB 4.0

TurboDB Engine
·Column data types for Unicode support: dtWideString and dtWideMemo  
·Multi-session and multi-threading support  
·All objects of a database can be stored in one single file.  
·Column data type for 64 bit integer numbers  
·Column data type for GUIDs (16 byte globally unique identifiers)  
·Support for outer joins in queries  
·SQL command chaining, issue multiple commands within one statement  
·New SQL functions  
·Data Definition Language support  
·Improved query optimization  
·Fast mode for disk operations  
·New language driver technology based on OS functions  
·No more "dead" net files thanks to new automatic deletion mechanism  
·Ends the ever growing indexes problem for heavily modified tables.  

VCL/CLX Components
·There are WideString alternatives to TTdbDataSet.Filter and TTdbQuery.SQL.  
·The FilterMode property has been replaced by the WordFilter property to support combined filtering.  
·TTdbBatchMove exports to DataSets as well.  
·TTdbBatchMove can export from TTdbQuery, too.  
·New method TTdbDataSet.SaveToFile to create a fast copy of the data set  

.NET Managed Provider
·Reading and writing pictures, memos and wide memos  
·The GUID column data type  
·Accessing single-file databases