These are the thoroughly refereed post-proceedings of the 8th International Workshop on Database Programming Languages, DBPL 2001, held in Frascati, Italy, in September 2001. The 18 revised full papers presented together with an invited paper were carefully selected during two rounds of reviewing and revision. The papers are organized in topical sections on semistructured data OLAP and data mining systems, schema integration, and index concurrency XML spatial databases user languages and rules.
These are the thoroughly refereed post-proceedings of the 8th International Workshop on Database Programming Languages, DBPL 2001, held in Frascati, I...
In a relational database, the information is recorded as tabled rows. However, in many practical situations, the available information is incomplete and the values for some columns are missing. Yet few existing database management systems allow the user to enter null values in the database.
In a relational database, the information is recorded as tabled rows. However, in many practical situations, the available information is incomplete a...
