The database components of a data warehouse can be described using either relational database modeling or dimensional modeling. A conceptual database m…

Bill Inmon, ‘the so-called father of modern data warehousing,’ defines a data warehouse as “a subject-oriented, integrated, time-variant, and non-volat…

Data marts and data warehouses are not BI/DSS systems per se, but are rather major core components of the BI/DSS infrastructure that drive business applic…

/* the next two queries help you find out other objects you own.        */ /* use this query to find out what procedures, functions, and triggers */ /* yo…

In order to access DD tables that begin with “DBA_”, your userid would need to have been granted the DBA role.  Output displayed in the examples below wi…

REM REM Calculates average row size in a table REM PROMPT PROMPT AVERAGE ROW SIZE IN A TABLE PROMPT ACCEPT towner PROMPT 'Table owner name: ' …

Database Maintenance Maintenance activities include changing programs, procedures, or documentation to ensure correct system performance, adapting the …

At this point, the database has passed the test environment and ready to become fully operational to serve its purpose or it’s already fully operational…

Load Testing for Performance Validation: Performing load test will not only determine the type of tests (CPU utilization, memory, I/O subsystem, lockin…