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Professional set of Delphi and C++Builder components for virtual instrumentation

  • Meters, Bars (Gauge), with linear or log(10) scaling
  • Digital indicators (time, value)
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  • DB-Aware components and many more

Found 2 records. Shown from 1 to 3.

VolgaDB Engine v.5.1

DB-Aware Components > Direct DB Access > Custom

By Olga Vlasova.

GPLS Update 20 Jun 2006

Description

VolgaDB Engine is a single-user engine for working with flat files or client-server multi-user engine for working with MSSQL, MySQL, MS Access without using BDE. Component package consists of TVolgaTable, TVolgaQuery, TVolgaServQuery, TVolgaDatabase.

Main features:

  • all standard properties, methods, events of TDataSet, working with any visual DB-aware controls;
  • supporting most data types (including BLOB and autoinc fields), field descriptions, default values;
  • record range and filter, sort-on-the-fly;
  • cached updates, reverting records;
  • temporary in-memory tables, automatic backup;
  • cloning and batch move, restructuring tables in code;
  • password protection with ciphering;
  • saving external objects (pointers) for any record;
  • saving any arbitrary text within Volga table;
  • exporting data to text, DBF, XML, Excel files, importing from text;
  • loading and saving data from table to stream;
  • executing SQL-select queries for Volga tables on disk and already opened datasets in memory;
  • executing SQL queries for MS SQL, MySQL, MS Access databases;
  • edit, sort, range, master-detail, filter operations on query result as a table;
  • cached updates in queries which can be saved in one (original) table;
  • callback events to visualization loading/saving process;
  • properties ReadOnly for whole table and RecReadOnly for current record.

Informations

  • Status: Trial (work while IDE is running)
  • Source: Included
  • Exe demo: included
  • Size: 115kB

Platforms: CB4, CB5, CB6, D2006, D4, D5, D6, D7

VolgaDB Engine for Kylix v.5.1

Kylix > Database > Direct Access

By Olga Vlasova.

GPLS Update 21 Jun 2006

Description

VolgaDB Engine is a small and fast single-user engine for working with flat files in own Volga format or client-server multi-user engine for working with MS SQL, MySQL, MS Access, dBASE databases without using BDE. Component package consists of TVolgaTable, TVolgaQuery, TVolgaServQuery, TVolgaDatabase and VolgaDB Desktop utility for managing Volga files. It works with any visible DB-aware controls.
  • All necessary code is included in your application without additional DLLs. Distribution of your applications will be very simple - only copy exe and data files into any folder and it works.
  • Files in Volga format usually have *.d extension, although it is not mandatory. No external index or memo files are used. Sorting records is performed on the fly in memory, memos and images are saved within the *.d file.
  • Cloned tables are used for avoiding duplicate file loading and to use one data source in different views: use different sort orders, ranges and filters at the same time. All changes in all cloned tables are placed into shared cursor and saved with one ApplyUpdates method.
  • VolgaDB Engine implements password protection and uses Sapphire algorithm for ciphering flat Volga files.
  • Sort-on-the-fly, cached updates, master-detail, exporting data to text, DBF, XML, Excel files and more...

Informations

  • Status: Fully functional
  • Source: Included
  • Size: 79kB

Platforms: KLX3