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An identity column differs from a primary key in that its values are managed by the server and usually cannot be modified. In many cases an identity column is used as a primary key; however, this is not always the case. It is a common misconception that an identity column will enforce uniqueness; however, this is not the case. If you want to ...
A surrogate key is frequently a sequential number (e.g. a Sybase or SQL Server "identity column", a PostgreSQL or Informix serial, an Oracle or SQL Server SEQUENCE or a column defined with AUTO_INCREMENT in MySQL). Some databases provide UUID/GUID as a possible data type for surrogate keys (e.g. PostgreSQL UUID [3] or SQL Server ...
AutoNumber is a type of data used in Microsoft Access tables to generate an automatically incremented numeric counter. It may be used to create an identity column which uniquely identifies each record of a table. Only one AutoNumber is allowed in each table.
It uses a sequence-based hi-lo pattern to generate values. Hi/Lo is used in scenarios where an application needs its entities to have an identity prior to persistence. It is a value generation strategy. An alternative to Hi/Lo would be for the application to generate keys as universally unique identifiers (UUID).
Active Directory (AD) is a directory service developed by Microsoft for Windows domain networks. Windows Server operating systems include it as a set of processes and services. [1] [2] Originally, only centralized domain management used Active Directory.
For example, in Microsoft SQL Server, the key is retrieved via the SCOPE_IDENTITY() special function, while in SQLite the function is named last_insert_rowid(). Using a database-specific SELECT statement on a temporary table containing last inserted row(s). Db2 implements this feature in the following way:
Microsoft Identity Integration Server (MIIS) is an identity management (IdM) product offered by Microsoft. It is a service that aggregates identity-related information from multiple data-sources. It is a service that aggregates identity-related information from multiple data-sources.
Symlabs Federated Identity Suite [82] Symlabs: Commercial OpenID, A-Select, CAS, WS-Federation and OAuth Symplified [83] Symplified: Commercial SAML 1.1, SAML 2.0, WS-Federation, OpenID, OAuth, XACML, IBM LTPA, Microsoft IWA, 2-Factor, Facebook, Google, Twitter, ABAC / context-based AC Tivoli Federated Identity Manager [84] IBM: Commercial