SQL: A Structured Notation for SQL Statements - provides an S-expression notation for a subset of SQL. It provides forms that produce statements (as opaque values rather than strings) that can be used directly with Racket’s db library.
sql-sourcery - Database backed structs for functional programmers. An ORM for mapping structures in Racket to database entries in a SQL database. All versions 0.1.X are unstable Alpha releases. Current version 0.1.0
mongodb - A native Racket interface to MongoDB & BSON.
binary-class-dbf - Interface to *.dbf files (dBase, Foxpro, ...).
dbm - An interface to UNIX dbm files using a libdbm FFI.
fra - Purely functional implementation of relational algebra.