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  2. Comparison of object–relational database management systems

    en.wikipedia.org/wiki/Comparison_of_object...

    GIS for public utilities; can be stored inside Oracle Database WakandaDB 4th Dimension: AGPLv3 or proprietary Windows, Linux, macOS Based on REST and server-side JavaScript XDB Enterprise Server: Micro Focus: Proprietary DOS, Windows NT, OS/2 YugabyteDB: Yugabyte: Apache 2.0 Linux Zope Object Database: Zope Corporation Zope Public License ...

  3. Comparison of relational database management systems - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_relational...

    16ZB per instance 524,272 TB 8,060 bytes / 2 TB 6: 1,024 / 30,000(with sparse columns) 2 GB / Unlimited (using RBS/FILESTREAM object) 2 GB 6: 126 bits 2: 0001 9999 128 Microsoft SQL Server Compact (Embedded Database) 4 GB 4 GB 8,060 bytes 1024 2 GB 4000 154 bits 0001 9999 128 Mimer SQL: Unlimited Unlimited 16000 (+lob data) 252 Unlimited 15000 ...

  4. SQL Plus - Wikipedia

    en.wikipedia.org/wiki/SQL_Plus

    environment control commands such as SET; environment monitoring commands such as SHOW; Comments; External commands prefixed by the ! char; Scripts can include all of these components. An Oracle programmer in the appropriately configured software environment can launch SQL Plus, for example, by entering: $ sqlplus scott/tiger

  5. Oracle Database - Wikipedia

    en.wikipedia.org/wiki/Oracle_Database

    Oracle Database 23ai: 23.4.0 On May 2, 2024, Oracle Database 23ai [10] was released on Oracle Cloud Infrastructure (OCI) as cloud services, including OCI Exadata Database Service, OCI Exadata Database Cloud@Customer, and OCI Base Database Service. It is also available in Always Free Autonomous Database.

  6. Shard (database architecture) - Wikipedia

    en.wikipedia.org/wiki/Shard_(database_architecture)

    Horizontal partitioning splits one or more tables by row, usually within a single instance of a schema and a database server. It may offer an advantage by reducing index size (and thus search effort) provided that there is some obvious, robust, implicit way to identify in which partition a particular row will be found, without first needing to search the index, e.g., the classic example of the ...

  7. DTrace - Wikipedia

    en.wikipedia.org/wiki/DTrace

    The Linux DTrace implementation is a loadable kernel module, which means that the kernel itself requires no modification, and thus allows DTrace to avoid CDDL vs. GPL licensing conflicts (in its source form, at least). However, once DTrace is loaded the kernel instance will be marked as tainted.

  8. Oracle RAC - Wikipedia

    en.wikipedia.org/wiki/Oracle_RAC

    The database consists of a collection of data files, control files, and redo logs located on disk. The instance comprises the collection of Oracle-related memory and background processes that run on a computer system. In an Oracle RAC environment, 2 or more instances concurrently access a single database.

  9. Staging (data) - Wikipedia

    en.wikipedia.org/wiki/Staging_(data)

    Staging area architectures range in complexity from a set of simple relational tables in a target database to self-contained database instances or file systems. [4] Though the source systems and target systems supported by ETL processes are often relational databases, the staging areas that sit between data sources and targets need not also be ...