Things break and the DBA must be prepared for situations where a failure impacts the availability, integrity, or usability of a database. Reacting to failures and service disruptions is a key ...

In this world of so-called digital transformation and cloud computing that drives our always-on über-connected lifestyles, surely it would be useful to understand how many types of data are out ...

And thanks to the ubiquity of this type of storage in cloud environments, it has more recently become the object of affection for database applications. One of the knocks against object storage is ...

DBAs spend a lot of time on tuning application code and SQL statements to boost efficiency and optimize access. But SQL is only one aspect of database systems performance. It is also important for ...

These user-defined data types are called "classes," and one instance of a class is an "object." For example, in a payroll system, a class could be Manager, and Pat and Jan could be two instances ...