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  2. Hi/Lo algorithm - Wikipedia

    en.wikipedia.org/wiki/Hi/Lo_algorithm

    There is a variable defined to hold the currently assigned low value and it is assigned the value of the maximum low value plus 1 (one). The steps are: If the currently assigned low value is greater or equal than the maximum low value then call a function to fetch a new high value and reset the currently assigned low value to 0 (zero).

  3. List of SQL reserved words - Wikipedia

    en.wikipedia.org/wiki/List_of_SQL_reserved_words

    Reserved words in SQL and related products In SQL:2023 [3] In IBM Db2 13 [4] In Mimer SQL 11.0 [5] In MySQL 8.0 [6] In Oracle Database 23c [7] In PostgreSQL 16 [1] In Microsoft SQL Server 2022 [2]

  4. PostgreSQL - Wikipedia

    en.wikipedia.org/wiki/PostgreSQL

    PostgreSQL claims high, but not complete, conformance with the latest SQL standard ("as of the version 17 release in September 2024, PostgreSQL conforms to at least 170 of the 177 mandatory features for SQL:2023 Core conformance", and no other databases fully conformed to it [79]). One exception is the handling of unquoted identifiers like ...

  5. Database transaction schedule - Wikipedia

    en.wikipedia.org/wiki/Database_transaction_schedule

    In the F2 schedule, if T1 aborted, T2 has to abort because the value of A it read is incorrect. In both cases, the database is left in a consistent state. Schedule J is unrecoverable because T2 committed before T1 despite previously reading the value written by T1. Because T1 aborted after T2 committed, the value read by T2 is wrong.

  6. Universally unique identifier - Wikipedia

    en.wikipedia.org/wiki/Universally_unique_identifier

    Instead, it returns a 16-byte 128-bit RAW value based on a host identifier and a process or thread identifier, somewhat similar to a GUID. [34] PostgreSQL contains a UUID datatype [35] and can generate most versions of UUIDs through the use of functions from modules. [36] [37] MySQL provides a UUID function, which generates standard version-1 ...

  7. Missouri man executed for girl's murder after governor denies ...

    www.aol.com/missouri-man-faces-execution-girls...

    Missouri carried out its fourth execution this year on Tuesday night. The man condemned to death was convicted in a 9-year-old girl's 2007 murder.

  8. Woman who zipped boyfriend in suitcase, suffocating him ... - AOL

    www.aol.com/woman-zipped-boyfriend-suitcase...

    A Florida woman who said she was playing a game with her boyfriend when she zipped him up in a suitcase and left him to die has been sentenced to life in prison.

  9. Comparison of relational database management systems

    en.wikipedia.org/wiki/Comparison_of_relational...

    Min DATE value Max DATE value Max column name size Actian Zen (PSQL) 4 billion objects 256 GB 2 GB 1,536 2 GB 8,000 bytes 64 bits 01-01-0001 12-31-9999 128 bytes Polyhedra: Limited by available RAM, address space 2 32 rows Unlimited 65,536 4 GB (subject to RAM) 4 GB (subject to RAM) 64 bits 0001-01-01 8000-12-31 255 PostgreSQL [75] Unlimited