builds, distributes, and supports The Berkeley Database (Berkeley DB), the Open Sourcetm embedded database system. Berkeley DB is a programmatic toolkit that provides high-performance built-in database support for both standalone and client/server applications.
MPSQL is a tool similar to Oracle's Server Manager motif worksheet and Microsoft's Windows based SQL Server iSQL query tool
The unixODBC project (was: LinuxODBC) goals are to develop and promote unixODBC to be the definitive standard for ODBC on the Linux platform. ODBC is an open specification for providing application developers with a portable API with which to access Data Sources. Data Sources include SQL Servers and any Data Source with an ODBC Driver. Written by Peter Harvey.
the Tcl interface to a flexible and efficient C++ storage library.
tclsql is a Tcl (Tool Command Language) interface to SQL (Structured Query Language). tclsql is probably INGRES 6.4 specific, but it could be ported to other SQL platforms.
The technical goal of the test suite is to help evaluate an SQL implementation's conformance to Entry SQL or Intermediate SQL, as specified in ANSI X3.135-1992 and ISO/IEC 9075:1992, through one or more standard programming language interfaces.
The ANSI Catalog database contains the following 66 items relevant to your query:
Database Language - SQL