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  2. Microsoft SQL Server - Wikipedia

    en.wikipedia.org/wiki/Microsoft_SQL_Server

    Microsoft SQL Server (Structured Query Language) is a proprietary relational database management system developed by Microsoft.As a database server, it is a software product with the primary function of storing and retrieving data as requested by other software applications—which may run either on the same computer or on another computer across a network (including the Internet).

  3. Two-phase commit protocol - Wikipedia

    en.wikipedia.org/wiki/Two-phase_commit_protocol

    The commit-request phase (or voting phase), in which a coordinator process attempts to prepare all the transaction's participating processes (named participants, cohorts, or workers) to take the necessary steps for either committing or aborting the transaction and to vote, either "Yes": commit (if the transaction participant's local portion ...

  4. Administrative error - Wikipedia

    en.wikipedia.org/wiki/Administrative_error

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Help; Learn to edit; Community portal; Recent changes; Upload file

  5. Active Directory - Wikipedia

    en.wikipedia.org/wiki/Active_Directory

    Windows Server operating systems include it as a set of processes and services. [1] [2] Originally, only centralized domain management used Active Directory. However, it ultimately became an umbrella title for various directory-based identity-related services. [3] A domain controller is a server running the Active Directory Domain Services (AD ...

  6. Database - Wikipedia

    en.wikipedia.org/wiki/Database

    An SQL select statement and its result. In computing, a database is an organized collection of data or a type of data store based on the use of a database management system (DBMS), the software that interacts with end users, applications, and the database itself to capture and analyze the data.

  7. HTTP - Wikipedia

    en.wikipedia.org/wiki/HTTP

    The request was received, continuing process. 2XX (successful) The request was successfully received, understood, and accepted. 3XX (redirection) Further action needs to be taken in order to complete the request. 4XX (client error) The request contains bad syntax or cannot be fulfilled. 5XX (server error) The server failed to fulfill an ...

  8. Storage area network - Wikipedia

    en.wikipedia.org/wiki/Storage_area_network

    A storage area network (SAN) or storage network is a computer network which provides access to consolidated, block-level data storage.SANs are primarily used to access data storage devices, such as disk arrays and tape libraries from servers so that the devices appear to the operating system as direct-attached storage.

  9. Network socket - Wikipedia

    en.wikipedia.org/wiki/Network_socket

    A TCP server may serve several clients concurrently by creating a unique dedicated socket for each client connection in a new child process or processing thread for each client. These are in the established state when a socket-to-socket virtual connection or virtual circuit (VC), also known as a TCP session , is established with the remote ...