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  2. pandas (software) - Wikipedia

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

    As such, a DataFrame can be thought of as having two indices: one column-based and one row-based. Because column names are stored as an index, these are not required to be unique. [9]: 103–105 If data is a Series, then data['a'] returns all values with the index value of a. However, if data is a DataFrame, then data['a'] returns all values in ...

  3. Active record pattern - Wikipedia

    en.wikipedia.org/wiki/Active_record_pattern

    [1] [2] The interface of an object conforming to this pattern would include functions such as Insert, Update, and Delete, plus properties that correspond more or less directly to the columns in the underlying database table. The active record pattern is an approach to accessing data in a database. A database table or view is wrapped into a class.

  4. Data orientation - Wikipedia

    en.wikipedia.org/wiki/Data_orientation

    For example, a table of 128 rows with a Boolean column requires 128 bytes a row-oriented format (one byte per Boolean) but 128 bits (16 bytes) in a column-oriented format (via a bitmap). Another example is the use of run-length encoding to encode a column.

  5. List of column-oriented DBMSes - Wikipedia

    en.wikipedia.org/wiki/List_of_column-oriented_DBMSes

    An embeddable, in-process, column-oriented SQL OLAP RDBMS Databend Rust An elastic and reliable Serverless Data Warehouse InfluxDB: Rust Time series database: Greenplum Database C Support and extensions available from VMware. MapD: C++ MariaDB ColumnStore C & C++ Formerly Calpont InfiniDB: Metakit: C++ MonetDB: C

  6. More than a dozen states have passed new laws that led to ...

    www.aol.com/more-dozen-states-passed-laws...

    In Texas, Florida, and more than a dozen other states, users who try to access the world’s largest pornography website are greeted by a surprising sight: a message on a black screen telling them ...

  7. Help:Table - Wikipedia

    en.wikipedia.org/wiki/Help:Table

    A table is an arrangement of columns and rows that organizes and positions data or images. Tables can be created on Wikipedia pages using special wikitext syntax, and many different styles and tricks can be used to customise them.

  8. 3 people shot and 1 person stabbed at Phoenix airport ...

    www.aol.com/news/3-people-shot-1-person...

    Three people were shot and one person was stabbed following what authorities believe to be a family dispute at a restaurant in the Phoenix Sky Harbor International Airport.

  9. South Korea’s parliament votes to impeach president over ...

    www.aol.com/south-korea-parliament-votes-impeach...

    South Korea’s parliament voted to impeach President Yoon Suk Yeol on Saturday in an extraordinary rebuke that came about after his own ruling party turned on him following his refusal to resign ...