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  2. Data corruption - Wikipedia

    en.wikipedia.org/wiki/Data_corruption

    If a virus or trojan with this payload method manages to alter files critical to the running of the computer's operating system software or physical hardware, the entire system may be rendered unusable. Some programs can give a suggestion to repair the file automatically (after the error), and some programs cannot repair it.

  3. Memory corruption - Wikipedia

    en.wikipedia.org/wiki/Memory_corruption

    When the corrupted memory contents are used later in that program, it leads either to program crash or to strange and bizarre program behavior. Nearly 10% of application crashes on Windows systems are due to heap corruption. [1] Modern programming languages like C and C++ have powerful features of explicit memory management and pointer ...

  4. Blue screen of death - Wikipedia

    en.wikipedia.org/wiki/Blue_screen_of_death

    As mentioned earlier, the insider builds of Windows 10 and later, as well as Windows Server 2016 and later, display a green screen. [26] [27] [24] Windows 10 and later (and Windows Server 2016 and later) also display an orange screen in an extremely rare case where a hardware issue with the GPU or a graphics driver problem is encountered. [47]

  5. MySQL - Wikipedia

    en.wikipedia.org/wiki/MySQL

    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.

  6. SQL injection - Wikipedia

    en.wikipedia.org/wiki/SQL_injection

    A classification of SQL injection attacking vector as of 2010. In computing, SQL injection is a code injection technique used to attack data-driven applications, in which malicious SQL statements are inserted into an entry field for execution (e.g. to dump the database contents to the attacker).

  7. Database - Wikipedia

    en.wikipedia.org/wiki/Database

    Formally, a "database" refers to a set of related data accessed through the use of a "database management system" (DBMS), which is an integrated set of computer software that allows users to interact with one or more databases and provides access to all of the data contained in the database (although restrictions may exist that limit access to particular data).

  8. Error detection and correction - Wikipedia

    en.wikipedia.org/wiki/Error_detection_and_correction

    Error-correcting codes are used in lower-layer communication such as cellular network, high-speed fiber-optic communication and Wi-Fi, [11] [12] as well as for reliable storage in media such as flash memory, hard disk and RAM. [13] Error-correcting codes are usually distinguished between convolutional codes and block codes:

  9. PostgreSQL - Wikipedia

    en.wikipedia.org/wiki/PostgreSQL

    Rules allow the "query tree" of an incoming query to be rewritten; they are an, automatically invoked, macro language for SQL. "Query Re-Write Rules" are attached to a table/class and "Re-Write" the incoming DML (select, insert, update, and/or delete) into one or more queries that either replace the original DML statement or execute in addition ...