ADT-based Type System for SQL. - Krishna G. Kulkarni; Jonathan Bauer; Umeshwar Dayal; Mike Kelley; Jim Melton (Query Processing for Advanced Database Systems, 1991)

Object ADTs (with improvements for Value ADTs) - Jim Melton; Jonathan Bauer; Krishna G. Kulkarni (ANSI X3H2, 1991)

Inheritance for ADTs (revised) - Krishna G. Kulkarni; Jim Melton; Jonathan Bauer; Mike Kelley (ANSI X2H2, 1991)

Object-oriented databases - a semantic data model approach. - Peter M. D. Gray; Krishna G. Kulkarni; Norman W. Paton (Prentice Hall, 1992)

Object-Oriented Extensions in SQL3: A Status Report. - Krishna G. Kulkarni (SIGMOD Conference, 1994)

TSQL2 Language Specification. - Richard T. Snodgrass; Ilsoo Ahn; Gad Ariav; Don S. Batory; James Clifford; Curtis E. Dyreson; Ramez Elmasri; Fabio Grandi 001; Christian S. Jensen; Wolfgang Käfer; Nick Kline; Krishna G. Kulkarni; et al. (SIGMOD Rec., 1994)

A TSQL2 Tutorial. - Richard T. Snodgrass; Ilsoo Ahn; Gad Ariav; Don S. Batory; James Clifford; Curtis E. Dyreson; Ramez Elmasri; Fabio Grandi 001; Christian S. Jensen; Wolfgang Käfer; Nick Kline; Krishna G. Kulkarni; et al. (SIGMOD Rec., 1994)

Active Database Features in SQL3. - Krishna G. Kulkarni; Nelson Mendonça Mattos; Roberta Cochrane (Active Rules in Database Systems, 1999)

SQL and Management of External Data. - Jim Melton; Jan-Eike Michels; Vanja Josifovski; Krishna G. Kulkarni; Peter M. Schwarz; Kathy Zeidenstein (SIGMOD Rec., 2001)

SQL/MED - A Status Report. - Jim Melton; Jan-Eike Michels; Vanja Josifovski; Krishna G. Kulkarni; Peter M. Schwarz (SIGMOD Rec., 2002)

The SQL Standard. - Jan-Eike Michels; Krishna G. Kulkarni; Christopher M. Farrar; Andrew Eisenberg; Nelson Mendonça Mattos; Hugh Darwen (it Inf. Technol., 2003)

SQL: 2003 has been published. - Andrew Eisenberg; Jim Melton; Krishna G. Kulkarni; Jan-Eike Michels; Fred Zemke (SIGMOD Rec., 2004)

Integration of SQL and XQuery in IBM DB2. - Fatma Özcan; Donald D. Chamberlin; Krishna G. Kulkarni; Jan-Eike Michels (IBM Syst. J., 2006)

Temporal features in SQL: 2011. - Krishna G. Kulkarni; Jan-Eike Michels (SIGMOD Rec., 2012)

The New and Improved SQL: 2016 Standard. - Jan-Eike Michels; Keith W. Hare; Krishna G. Kulkarni; Calisto Zuzarte; Zhen Hua Liu; Beda Christoph Hammerschmidt; Fred Zemke (SIGMOD Rec., 2018)

Temporal Extensions in the SQL Standard. - Krishna G. Kulkarni; Jan-Eike Michels (Encyclopedia of Database Systems (2nd ed.), 2018)