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  2. Cosmos DB - Wikipedia

    en.wikipedia.org/wiki/Cosmos_DB

    Session is scoped to a single client connection and basically ensures a read-your-own-writes consistency for each client; it is the default consistency level [15] Bounded staleness augments consistent prefix by ensuring that reads won't lag beyond x versions of an item or some specified time window

  3. List of in-memory databases - Wikipedia

    en.wikipedia.org/wiki/List_of_in-memory_databases

    Highly available distributed real-time in-memory NoSQL database. Often used with MySQL for SQL cross-shard parallel query processing. OmniSci: OmniSci (formerly MapD) 2013 Open Source (Apache License 2.0) GPU-accelerated, SQL database and visualization platform for real-time analytics. Product consists of the core database plus a BI ...

  4. Parallel database - Wikipedia

    en.wikipedia.org/wiki/Parallel_database

    A parallel database system seeks to improve performance through parallelization of various operations, such as loading data, building indexes and evaluating queries. [1] Although data may be stored in a distributed fashion, the distribution is governed solely by performance considerations.

  5. SQL syntax - Wikipedia

    en.wikipedia.org/wiki/SQL_syntax

    A query includes a list of columns to include in the final result, normally immediately following the SELECT keyword. An asterisk ("*") can be used to specify that the query should return all columns of the queried tables. SELECT is the most complex statement in SQL, with optional keywords and clauses that include:

  6. HTTP persistent connection - Wikipedia

    en.wikipedia.org/wiki/HTTP_persistent_connection

    Under HTTP 1.0, connections should always be closed by the server after sending the response. [1]Since at least late 1995, [2] developers of popular products (browsers, web servers, etc.) using HTTP/1.0, started to add an unofficial extension (to the protocol) named "keep-alive" in order to allow the reuse of a connection for multiple requests/responses.

  7. HTTP pipelining - Wikipedia

    en.wikipedia.org/wiki/HTTP_pipelining

    HTTP pipelining is a feature of HTTP/1.1, which allows multiple HTTP requests to be sent over a single TCP connection without waiting for the corresponding responses. [1] HTTP/1.1 requires servers to respond to pipelined requests correctly, with non-pipelined but valid responses even if server does not support HTTP pipelining.

  8. Kindergarten teacher begs parents to stop sending this 1 ...

    www.aol.com/news/kindergarten-teacher-begs...

    Elementary teacher Amy McMahon is begging parents to stop sending their kids to school with syrup-filled fruit cups for lunch or snack.

  9. Critical section - Wikipedia

    en.wikipedia.org/wiki/Critical_section

    In parallel programming, the code is divided into threads. The read-write conflicting variables are split between threads and each thread has a copy of them. Data structures such as linked lists , trees , and hash tables have data variables that are linked and cannot be split between threads; hence, implementing parallelism is very difficult. [ 6 ]