ID: 28790, Absolutely freeware Database (9db)

by Roman Silin Email: Anonymous

The variant array mixed with list and dataset for D7 - Delphi XE3. File format 9db has several tables.

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For Delphi, Version 7.0 to 17.0 482 downloads
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Size: 389,743 bytes
Updated on Tue, 14 May 2013 09:02:57 GMT
Originally uploaded on Fri, 30 Mar 2012 02:32:24 GMT
SHA1 Hash: 543757F9C9AFE331F38A15B756A4232A931C195E
MD5 Hash: 36398C8B83D7A58C7133281E76FF36F6

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Description

Absolute freeware Database (9db)

Limitation.
Your copyrights begin right after the first use.

Concept.
Limitation correspond BSD to the license adapted for micro-products. Conditions eval the period are included, your copyrights begin right after the first use. Legally, amendments on one symbol are considered as changes.

Second conditional.
For first author - can by no change one symbol.

The variant array mixed with list and dataset for D7 - Delphi XE3. File format 9db has several tables. Variety client dataset.

Small db

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Briefly About.
• Component TvDatabase for store all DataSet’s on one file.
• Client index for fast locate and lookup.
• Auto increment and unique restriction.
• Case insensitive index.
• Work with data without DB components and events.
• Property DataByCell without dependency on RecNo.
• Dynamic addition fields-columns.
• Suspended loading of table, - load first 1000 and another TThread for load remained.
• Customize stream for TvDatabase.Open with progress bar.
• vdbXplor – small tolls and expert for work with any count of DB.
• Sort of real data in table and store with new order.
• Support TExtendedField and Variant of Extended for 32 platform.
• Load from disk and fetch all open of 5 594 490 records for 3 second 438-:-816 millisecond.

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Last fix
- Just SortLocal <> Index.Eval (slow down).
- Support now-default for datetime fields.
- Fix for XE3 datetime field, + TDateField & TTimeField.
- Update vdbXplor (empty table, fix for ehlib, add not null warning,
test on exception's).
- QSort final fix 3. -9 millions comparisons.
- QSort fixup 2. Repair revert sort. -7 millions comparisons
chaotic data.
- New QuickSort method. That is to say I win approximately
5 millions (comparisons) on chaotic data. fix shl 1.
- Fix for string sorting of demo EndWithIndex (used custom index).

For more information, see http://sourceforge.net/p/vdbi/wiki/Home/