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  2. Poincaré plot - Wikipedia

    en.wikipedia.org/wiki/Poincaré_plot

    A Poincaré plot, named after Henri Poincaré, is a graphical representation used to visualize the relationship between consecutive data points in time series to detect patterns and irregularities in the time series, revealing information about the stability of dynamical systems, providing insights into periodic orbits, chaotic motions, and bifurcations.

  3. Select (SQL) - Wikipedia

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

    MS SQL Server (This also works on Microsoft SQL Server 6.5 while the Select top 10 * from T does not) SELECT * FROM T LIMIT 10 OFFSET 20 Netezza , MySQL , MariaDB (also supports the standard version, since version 10.6), SAP SQL Anywhere , PostgreSQL (also supports the standard, since version 8.4), SQLite , HSQLDB , H2 , Vertica , Polyhedra ...

  4. SQL syntax - Wikipedia

    en.wikipedia.org/wiki/SQL_syntax

    The syntax of the SQL programming language is defined and maintained by ISO/IEC SC 32 as part of ISO/IEC 9075.This standard is not freely available. Despite the existence of the standard, SQL code is not completely portable among different database systems without adjustments.

  5. Hierarchical and recursive queries in SQL - Wikipedia

    en.wikipedia.org/wiki/Hierarchical_and_recursive...

    Recursive CTEs are also supported by Microsoft SQL Server (since SQL Server 2008 R2), [2] Firebird 2.1, [3] PostgreSQL 8.4+, [4] SQLite 3.8.3+, [5] IBM Informix version 11.50+, CUBRID, MariaDB 10.2+ and MySQL 8.0.1+. [6] Tableau has documentation describing how CTEs can be used. TIBCO Spotfire does not support CTEs, while Oracle 11g Release 2's ...

  6. Foreach loop - Wikipedia

    en.wikipedia.org/wiki/Foreach_loop

    foreach is usually used in place of a standard for loop statement. Unlike other for loop constructs, however, foreach loops [1] usually maintain no explicit counter: they essentially say "do this to everything in this set", rather than "do this x times". This avoids potential off-by-one errors and makes code simpler to read.

  7. Control-flow graph - Wikipedia

    en.wikipedia.org/wiki/Control-flow_graph

    Some CFG examples: (a) an if-then-else (b) a while loop (c) a natural loop with two exits, e.g. while with an if...break in the middle; non-structured but reducible (d) an irreducible CFG: a loop with two entry points, e.g. goto into a while or for loop A control-flow graph used by the Rust compiler to perform codegen.

  8. Data Analysis Expressions - Wikipedia

    en.wikipedia.org/wiki/Data_Analysis_eXpressions

    Data Analysis Expressions (DAX) is the native formula and query language for Microsoft PowerPivot, Power BI Desktop and SQL Server Analysis Services (SSAS) Tabular models. DAX includes some of the functions that are used in Excel formulas with additional functions that are designed to work with relational data and perform dynamic aggregation .

  9. SQL Server Management Studio - Wikipedia

    en.wikipedia.org/wiki/SQL_Server_Management_Studio

    Microsoft SQL Server Management Studio (SSMS) is a software application developed by Microsoft that is used for configuring, managing, and administering all components within Microsoft SQL Server. First launched with Microsoft SQL Server 2005, it is the successor to the Enterprise Manager in SQL 2000 or before. The tool includes both script ...