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  2. dplyr - Wikipedia

    en.wikipedia.org/wiki/Dplyr

    dplyr is an R package whose set of functions are designed to enable dataframe (a spreadsheet-like data structure) manipulation in an intuitive, user-friendly way. It is one of the core packages of the popular tidyverse set of packages in the R programming language . [ 1 ]

  3. Tidyverse - Wikipedia

    en.wikipedia.org/wiki/Tidyverse

    ggplot2 – for data visualization; dplyr – for wrangling and transforming data; tidyr – help transform data specifically into tidy data, where each variable is a column, each observation is a row; each row is an observation, and each value is a cell. readr – help read in common delimited, text files with data; purrr – a functional ...

  4. Database trigger - Wikipedia

    en.wikipedia.org/wiki/Database_trigger

    As of version 8.0, they allow for DDL (Data Definition Language) triggers and for DML (Data Manipulation Language) triggers. They also allow either type of DDL trigger (AFTER or BEFORE) to be used to define triggers. They are created by using the clause CREATE TRIGGER and deleted by using the clause DROP TRIGGER.

  5. Query language - Wikipedia

    en.wikipedia.org/wiki/Query_language

    SQL is a well known query language and data manipulation language for relational databases; XQuery is a query language for XML data sources; XPath is a declarative language for navigating XML documents; YQL is an SQL-like query language created by Yahoo! Search engine query languages, e.g., as used by Google [5] or Bing [6]

  6. pandas (software) - Wikipedia

    en.wikipedia.org/wiki/Pandas_(software)

    Pandas (styled as pandas) is a software library written for the Python programming language for data manipulation and analysis. In particular, it offers data structures and operations for manipulating numerical tables and time series. It is free software released under the three-clause BSD license. [2]

  7. Putin says Russia is ready to compromise with Trump on ...

    www.aol.com/news/putin-says-russia-getting...

    MOSCOW (Reuters) -Russian President Vladimir Putin said on Thursday that he was ready to compromise over Ukraine in possible talks with U.S. President-elect Donald Trump on ending the war and had ...

  8. Ryan Reynolds Admits Being Away from His Kids Sometimes Makes ...

    www.aol.com/ryan-reynolds-admits-being-away...

    The actor, 48, spoke with Andrew Garfield for Variety's Actors on Actors series in a video that went live on Monday, Dec. 9 and revealed whether he'd ever take more time away from his four kids ...

  9. Data manipulation language - Wikipedia

    en.wikipedia.org/wiki/Data_manipulation_language

    In SQL, the data manipulation language comprises the SQL-data change statements, [3] which modify stored data but not the schema or database objects. Manipulation of persistent database objects, e.g., tables or stored procedures, via the SQL schema statements, [3] rather than the data stored within them, is considered to be part of a separate data definition language (DDL).