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The DROP statement destroys an existing database, table, index, or view. A DROP statement in SQL removes a component from a relational database management system (RDBMS). The types of objects that can be dropped depends on which RDBMS is being used, but most support the dropping of tables, users, and databases.
SaaS, Project Management, CRM. Web-based and Client-server. Java on JBoss, GlassFish, PostgreSQL, Oracle. Apache OFBiz: Apache License: Yes Yes Yes Small to mid-sized enterprises Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes SaaS, Calendar, Webmail Multi-User, Web Access, Cloud Hostable Java Compiere: GPL2, other ...
MySQL, Oracle, PostgreSQL, Microsoft SQL Server: 6.6.2.3 Proprietary: 2013-12-20 Yes Yes Yes Kentico CMS: ASP.NET: SQL Server: Xperience 13 [167] Free, Proprietary: 2020-10-27: Yes Yes Yes Movable Type: Perl: MySQL, Oracle, SQL Server: 7.7.1 Proprietary: 2021-05-27 [168] Yes Yes Yes Oracle WebCenter Content (formerly Universal Content ...
The DUAL table is a special one-row, one-column table present by default in Oracle and other database installations. In Oracle, the table has a single VARCHAR2(1) column called DUMMY that has a value of 'X'. It is suitable for use in selecting a pseudo column such as SYSDATE or USER.
MySQL (/ ˌ m aɪ ˌ ɛ s ˌ k juː ˈ ɛ l /) [6] is an open-source relational database management system (RDBMS). [6] [7] Its name is a combination of "My", the name of co-founder Michael Widenius's daughter My, [1] and "SQL", the acronym for Structured Query Language.
A grant table is an interface which grants access to memory pages to Virtual Machines that do not own the pages. [1] Grant tables are implemented on Xen hypervisor.
The concept of ABAC can be applied at any level of the technology stack and an enterprise infrastructure. For example, ABAC can be used at the firewall, server, application, database, and data layer. The use of attributes bring additional context to evaluate the legitimacy of any request for access and inform the decision to grant or deny access.
Tables can be set to inherit their characteristics from a parent table. Data in child tables will appear to exist in the parent tables, unless data is selected from the parent table using the ONLY keyword, i.e. SELECT * FROM ONLY parent_table;. Adding a column in the parent table will cause that column to appear in the child table.