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  2. Professional Association for SQL Server - Wikipedia

    en.wikipedia.org/wiki/Professional_Association...

    PASS (formerly known as the Professional Association for SQL Server) was a global community for data professionals who use the Microsoft data platform. An independent, non-profit, user-run association, PASS was founded in 1999 with funds from Microsoft and Computer Associates. PASS was governed by a board of directors, elected by PASS members ...

  3. Query plan - Wikipedia

    en.wikipedia.org/wiki/Query_plan

    Since SQL is declarative, there are typically many alternative ways to execute a given query, with widely varying performance. When a query is submitted to the database, the query optimizer evaluates some of the different, correct possible plans for executing the query and returns what it considers the best option. Because query optimizers are ...

  4. SQL:2011 - Wikipedia

    en.wikipedia.org/wiki/SQL:2011

    SQL:2011 or ISO/IEC 9075:2011 (under the general title "Information technology – Database languages – SQL") is the seventh revision of the ISO (1987) and ANSI (1986) standard for the SQL database query language. It was formally adopted in December 2011. [1] The standard consists of 9 parts which are described in detail in SQL.

  5. File:Microsoft SQL Server.pdf - Wikipedia

    en.wikipedia.org/wiki/File:Microsoft_SQL_Server.pdf

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more

  6. SQL - Wikipedia

    en.wikipedia.org/wiki/SQL

    SQL was initially developed at IBM by Donald D. Chamberlin and Raymond F. Boyce after learning about the relational model from Edgar F. Codd [12] in the early 1970s. [13] This version, initially called SEQUEL (Structured English Query Language), was designed to manipulate and retrieve data stored in IBM's original quasirelational database management system, System R, which a group at IBM San ...

  7. SQL syntax - Wikipedia

    en.wikipedia.org/wiki/SQL_syntax

    Title Authors ----- ----- SQL Examples and Guide 4 The Joy of SQL 1 An Introduction to SQL 2 Pitfalls of SQL 1 Under the precondition that isbn is the only common column name of the two tables and that a column named title only exists in the Book table, one could re-write the query above in the following form:

  8. Khloé Kardashian had 'trust' issues after therapist leaked ...

    www.aol.com/khlo-kardashian-had-trust-issues...

    Khloé Kardashian's "Revenge Body" started amid betrayal. In an interview with Bustle published Tuesday, the "Kardashians" star opened up about how a former therapist leaked private information to ...

  9. Query optimization - Wikipedia

    en.wikipedia.org/wiki/Query_optimization

    A SQL query to a modern relational DBMS does more than just selections and joins. In particular, SQL queries often nest several layers of SPJ blocks (Select-Project-Join), by means of group by, exists, and not exists operators. In some cases such nested SQL queries can be flattened into a select-project-join query, but not always. Query plans ...

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