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On the other hand, non-schema objects may include: [6] users; roles; contexts; directory objects; Schema objects do not have a one-to-one correspondence to physical files on disk that store their information. However, Oracle databases store schema objects logically within a tablespace of the database. The data of each object is physically ...
A schema migration is performed on a database whenever it is necessary to update or revert that database's schema to some newer or older version. Migrations are performed programmatically by using a schema migration tool. When invoked with a specified desired schema version, the tool automates the successive application or reversal of an ...
Excel Services is a server technology included in SharePoint 2010 and SharePoint 2007. This shared service enables users to load, calculate, and display Excel 2010 workbooks on Microsoft Office SharePoint Server 2010.
MySQL as a service Some cloud platforms offer MySQL "as a service". In this configuration, application owners do not have to install and maintain the MySQL database on their own. Instead, the database service provider takes responsibility for installing and maintaining the database, and application owners pay according to their usage. [118]
A schema crosswalk is a table that shows equivalent elements (or "fields") in more than one database schema. It maps the elements in one schema to the equivalent ...
MS SQL Server (This also works on Microsoft SQL Server 6.5 while the Select top 10 * from T does not) SELECT * FROM T LIMIT 10 OFFSET 20 Netezza , MySQL , MariaDB (also supports the standard version, since version 10.6), SAP SQL Anywhere , PostgreSQL (also supports the standard, since version 8.4), SQLite , HSQLDB , H2 , Vertica , Polyhedra ...
Whereas the words server and client may refer either to a computer or to a computer program, server-host and client-host always refer to computers. The host is a versatile, multifunction computer; clients and servers are just programs that run on a host. In the client–server model, a server is more likely to be devoted to the task of serving.
State diagram for a turnstile A turnstile. An example of a simple mechanism that can be modeled by a state machine is a turnstile. [4] [5] A turnstile, used to control access to subways and amusement park rides, is a gate with three rotating arms at waist height, one across the entryway.