structured data is data that is composed of smaller well-defined and indexable parts.
Structured data may be textually represented via some data format, and perhaps stored in a DBMS. Data structures may be serialized into structured data for purposes of communication or persistence.
In one sense, any program or script ever written is a system for working with structured data, but there are also programs dedicated to structuring, querying, and archiving data. This is a list of such systems in the Tcl world. It omits more general database management systems, and focuses on systems that provide a more customized interface for processing data. Also excluded are systems dedicated to Vector or matrix algebra in Tcl and Numerical Analysis in Tcl, which are enumerated on those pages.
- Speed Tables, by Karl Lehenbauer
- Generate C code that implements a table data structure and access routines, and use a Tcl interface to create, access and manipulate those tables.
- TclRAL, by Andrew Mangogna
- A Tcl extension written in C that implements the relational algebra.
- tDOM, by Jochen Loewer and Rolf Ade
- Billed as an XML parser, includes an interface to manipulate a DOM tree, and also full XPath processor, making it a formidable system in its own right.
- ycl eav, by PYK
- An entity-attribute-value system backed by sqlite that works something like a hierarchy of dictionaries, but with advanced querying capabilities and processing features such as trace.
- Yggdrasil, by SDW
- Provides nodes, containers, and typed links. Implemented in incr Tcl.
- data structure
- Compact data storage
- Data Modelling
- query language
- A necessary feature of any system for structuring data.