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MySQL (/ ˌ m aɪ ˌ ɛ s ˌ k juː ˈ ɛ l /) [5] is an open-source relational database management system (RDBMS). [5] [6] Its name is a combination of "My", the name of co-founder Michael Widenius's daughter My, [7] and "SQL", the acronym for Structured Query Language.
Oracle Database (commonly referred to as Oracle DBMS, Oracle Autonomous Database, or simply as Oracle) is a proprietary multi-model [4] database management system produced and marketed by Oracle Corporation. It is a database commonly used for running online transaction processing (OLTP), data warehousing (DW) and mixed (OLTP & DW) database ...
Knowledge extraction is the creation of knowledge from structured (relational databases, XML) and unstructured (text, documents, images) sources. The resulting knowledge needs to be in a machine-readable and machine-interpretable format and must represent knowledge in a manner that facilitates inferencing.
Oracle, SQL Server, MySQL, PostgreSQL: 5.2.4 Proprietary: 2020-01-24 Yes Yes Yes Elcom CMS: ASP.NET: SQL Server: 9.0 Proprietary: 2011-02-15 Yes Yes Yes OpenText Documentum: Java Oracle, SQL Server, IBM Db2: 16.4 Proprietary: 2018-05-01 No No Yes Episerver CMS: ASP.NET: SQL Server: 11.14.2 Proprietary: 2020-02-24 Yes Yes Yes Hyland OnBase ECM ...
However, Oracle databases store schema objects logically within a tablespace of the database. The data of each object is physically contained in one or more of the tablespace's datafiles . For some objects (such as tables, indexes, and clusters) a database administrator can specify how much disk space the Oracle RDBMS allocates for the object ...
It runs on a web server, such as Apache HTTP Server, Internet Information Services, Lighttpd, Hiawatha, Cherokee, and Zeus Web Servers. By default, it supports storing the tag profile and associated knowledge tags in a MySQL database, but can be configured to use an IBM DB2, Microsoft SQL Server, or Oracle database instance.
The terms data dictionary and data repository indicate a more general software utility than a catalogue. A catalogue is closely coupled with the DBMS software. It provides the information stored in it to the user and the DBA, but it is mainly accessed by the various software modules of the DBMS itself, such as DDL and DML compilers, the query optimiser, the transaction processor, report ...
In relational databases, the information schema (information_schema) is an ANSI-standard set of read-only views that provide information about all of the tables, views, columns, and procedures in a database. [1]