Relational database schema generation includes obtaining an input requirements specification for a relational database to be generated, interpreting text characters of the requirements specification as values of a predefined character encoding, parsing the interpreted text characters and identifying complete sentences of the requirements specification, identifying, using an input dictionary that specifies combinations of character values of the predefined character encoding, proper nouns in the identified complete sentences and common nouns in the identified complete sentences, and generating a relational database schema script for the relational database, the generating including indicating the identified proper nouns of the complete sentences as entities of the relational database and indicating the identified common nouns of the complete sentences as attributes of those entities.