Relational database: selected writings
Relational database: selected writings
A guide to the SQL standard
The database experts' guide to SQL
The database experts' guide to SQL
Understanding user errors in database query
Understanding user errors in database query
Relational database writings (1985–1989)
Relational database writings (1985–1989)
The relational model for database management: version 2
The relational model for database management: version 2
No IFs, ANDs, or ORs: a study of databases querying
International Journal of Man-Machine Studies
Human factors comparison of a procedural and a nonprocedural query language
ACM Transactions on Database Systems (TODS)
Human Factors Studies of Database Query Languages: A Survey and Assessment
ACM Computing Surveys (CSUR)
Relational database: a practical foundation for productivity
Communications of the ACM
A relational model of data for large shared data banks
Communications of the ACM
Providing better support for a class of decision support queries
SIGMOD '96 Proceedings of the 1996 ACM SIGMOD international conference on Management of data
Including Group-By in Query Optimization
VLDB '94 Proceedings of the 20th International Conference on Very Large Data Bases
The development of ordered SQL packages to support data warehousing
Data warehousing and web engineering
A practical guide to SQL white-box testing
ACM SIGPLAN Notices
Journal of Computing Sciences in Colleges
Information and Software Technology
Exploiting maximal redundancy to optimize SQL queries
Knowledge and Information Systems
An extension of SQL to support ordered domains in relational databases
IDEAS'97 Proceedings of the 1997 international conference on International database engineering and applications symposium
A comparison of database fault detection capabilities using mutation testing
Proceedings of the ACM-IEEE international symposium on Empirical software engineering and measurement
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Relational database systems have been on market for more than a decade. SQL has been accepted as the standard query language of relational systems. To further understand the usage of relational systems and relational query language SQL, we conducted a survey recently that covers various aspects of the usage of SQL in industrial organizations. In this paper, we present those results that may interest DBMS researcher and developers, including the profiles of SQL users, the application areas where SQL is used, the usage of different features of SQL and difficulties encountered by SQL users.