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  2. Insert (SQL) - Wikipedia

    en.wikipedia.org/wiki/Insert_(SQL)

    It is possible to insert a new row without specifying any data, using default values for all columns. However, some databases reject the statement if no data is given, such as Microsoft SQL Server, and in this case the DEFAULT keyword can be used.

  3. Non-lock concurrency control - Wikipedia

    en.wikipedia.org/wiki/Non-lock_concurrency_control

    In Computer Science, in the field of databases, non-lock concurrency control is a concurrency control method used in relational databases without using locking. There are several non-lock concurrency control methods, which involve the use of timestamps on transaction to determine transaction priority: Optimistic concurrency control

  4. Record locking - Wikipedia

    en.wikipedia.org/wiki/Record_locking

    In a SQL database, a record is typically called a "row". The introduction of granular (subset) locks creates the possibility for a situation called deadlock. Deadlock is possible when incremental locking (locking one entity, then locking one or more additional entities) is used. To illustrate, if two bank customers asked two clerks to obtain ...

  5. Optimistic concurrency control - Wikipedia

    en.wikipedia.org/wiki/Optimistic_concurrency_control

    Optimistic concurrency control (OCC), also known as optimistic locking, is a non-locking concurrency control method applied to transactional systems such as relational database management systems and software transactional memory. OCC assumes that multiple transactions can frequently complete without interfering with each other.

  6. Florida Shelter’s ‘Most Overlooked Dog’ Is 'Losing Her Spirit ...

    www.aol.com/florida-shelter-most-overlooked-dog...

    Karla is the shelter's "longest resident." For every shelter dog out there, we just know there is a human who could be their perfect match.

  7. Two-phase locking - Wikipedia

    en.wikipedia.org/wiki/Two-phase_locking

    In databases and transaction processing, two-phase locking (2PL) is a pessimistic concurrency control method that guarantees conflict-serializability. [ 1 ] [ 2 ] It is also the name of the resulting set of database transaction schedules (histories).

  8. Spending the holiday season alone this year? How to make the ...

    www.aol.com/spending-christmas-alone-most...

    Get a head start on your to-do list. Having a sense of accomplishment, such as by working on a home project, during this solitary time can also be one way to get through the holidays, Winston said.

  9. Jay-Z, Diddy accusations create mystery surrounding female ...

    www.aol.com/jay-z-diddy-accusations-create...

    Instead, the celebrity will look to fight and protect their name." Jay-Z was accused of rape in a Sean "Diddy" Combs lawsuit refiled Sunday. Read It: Jay-z Sends Blistering Memo Amid Diddy Allegations