Increasing significance and popularity of XML is the main reason why many commercial object-relational database management systems (ORDBMS’s) developed XML storage and processing functionality. Additionally, there are new types of specialized database systems known as ’native’ XML database systems. As we know, concurrency control is one of the most important mechanisms in DBMS’s. Unfortunately,...

Concurrency control schemes for object-oriented database systems (OODBSs) used in the area of performance-critical applications should increase the degree of concurrency and decrease locking overhead in order to offer maximum performance. However, most commercially available OODBSs use conventional concurrency control schemes that never exploit the rich semantics of object-oriented data model, ...

Increasing significance and popularity of XML is the main reason why many commercial object-relational database management systems (ORDBMSs) developed XML storage and processing functionality. Additionally, there are new types of specialized database systems known as ’native’ XML database systems. As we know, concurrency control is one of the most important mechanisms in DBMSs. Unfortunately, c...