A survey on usage of SQL Hongjun Lu, Hock Chuan Chan, Kwok Kee Wei Available in: PDF Published in December 1993 (Vol.22 No.4)
Concurrency control in trusted database management systems: a survey Bhavani Thuraisingham, Hai-Ping Ko Available in: PDF Published in December 1993 (Vol.22 No.4)
Options in physical database design Goetz Graefe Available in: PDF Published in September 1993 (Vol.22 No.3)