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Oracle database specificity. In the context of Oracle Databases, a schema object is a logical data storage structure. An Oracle database associates a separate schema with each database user. A schema comprises a collection of schema objects. Examples of schema objects include: tables; views; sequences; synonyms; indexes; clusters; database ...
For the application developer, JAAS is a standard library that provides: a representation of identity ( Principal) and a set of credentials ( Subject) a login service that will invoke your application callbacks to ask the user things like username and password. It returns a new Subject. a service that tests if a Subject was granted a permission ...
Synonym (database) In databases, a synonym is an alias or alternate name for a table, view, sequence, or other schema object. They are used mainly to make it easy for users to access database objects owned by other users. They hide the underlying object's identity and make it harder for a malicious program or user to target the underlying object.
Oracle Database provides information about all of the tables, views, columns, and procedures in a database. This information about information is known as metadata. [1] It is stored in two locations: data dictionary tables (accessed via built-in views) and a metadata registry. Other relational database management systems support an ANSI ...
In 2019, a collection of 2.7 billion identity records, consisting of 774 million unique email addresses and 21 million unique passwords, was posted on the web for sale. [5] In January 2024, a data breach dubbed the "mother of all breaches" was uncovered. [6] Over 26 billion records, including some from Twitter, Adobe, Canva, LinkedIn, and ...
Database activity monitoring (DAM, a.k.a. Enterprise database auditing and Real-time protection [1]) is a database security technology for monitoring and analyzing database activity. DAM may combine data from network-based monitoring and native audit information to provide a comprehensive picture of database activity.
A relational database ( RDB [1]) is a database based on the relational model of data, as proposed by E. F. Codd in 1970. [2] A database management system used to maintain relational databases is a relational database management system ( RDBMS ). Many relational database systems are equipped with the option of using SQL (Structured Query ...
Entity–relationship model. An entity–attribute-relationship diagram for an MMORPG using Chen's notation. An entity–relationship model (or ER model) describes interrelated things of interest in a specific domain of knowledge. A basic ER model is composed of entity types (which classify the things of interest) and specifies relationships ...