Developer Diary

March 01, 2005

When making the parser we ran into some problems. It had been decided to use CoCo/R, a free open source LL(1) parser/scanner generator as the tool for code generation. Originally CoCo/R was not able to generate the Object Pascal code, so we had to improve it.

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Testimonial

With users expecting better and better interfaces to deal with complex data retrieval, Active Query Builder has allowed me to provide a highly professional, robust environment to both novice users and skilled query writers.

Thanks to all the team involved. Please keep up the good work.
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Screenshots

Multiple joins

Automatic Joins Creation
Active Query Builder automatically determines relationships between tables and creates appropriate joins for them.

Join Types

Different Join Types
Active Query Builder allows to define different join types and various server-specific query options visually.

Criteria pane

Grouping, Sorting and Criteria
Active Query Builder allows to define grouping, sorting, and constructing criteria in a simple and direct way.

Unions and Sub-queries

Unions and Sub-Queries
Unions, sub queries and derived tables can be accessed and built visually in Active Query Builder as easy as the main query.


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