Anna's Archive really has lots of books. Here, as a random example, Halpin and Morgan's "Information Modeling and Relational Databases": https://annas-archive.li/search?q=Information+Modeling%2C+Relational+Databases
#Databases
Anna's Archive really has lots of books. Here, as a random example, Halpin and Morgan's "Information Modeling and Relational Databases": https://annas-archive.li/search?q=Information+Modeling%2C+Relational+Databases
#Databases