Multi-level modelling promotes flexibility in modelling by enabling the use of several meta-
levels instead of just two, as is the case in mainstream two-level modelling approaches …

Database normalization is one of the main principles for designing relational databases,
which is the most popular database model, with the objective of improving data and system …

SQL antipatterns are frequently-made missteps that are commonly found in the design of
relational databases, the use of SQL, and the development of database applications. They …

A common task in software maintenance is refactoring. The essential refactoring goal is
improving software quality. The refactoring has extended for a wide range of software …

Database users refer to database objects by using their identifiers, ie, names. Good names
of database objects facilitate understanding of the data in the database and its usage by …

Architectural refactoring requires substantial effort. We introduce an approach and a tool to
predict this effort prior to refactoring. We focus on PL/SQL programs that are developed as …

Presented in this paper is a possible solution for speeding up the integration of various data
in the big data mainstream. The data enrichment and convergence of all possible sources is …

SQL is a very resilient and widely used software language. In case of building a SQL
database, one has to design schemas of the database so that the database management …

Renovating a database application is the act of significantly reprogramming the application
to meet new needs, extend functionality, or re-design to foster maintainability. It can be costly …

Relational Database Management Systems (RDBMSs) are advanced software packages
responsible for providing storage and access to relational databases; data stores in which …