• SQL Tutorials

    SQL is an intuitive programming language with broad application scope, so solid SQL skills are essential for any data scientist. With our hands-on tutorials, you can learn the basics of SQL for free and build your relational database knowledge.

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    What Are Duplicate Records in SQL?

    SQL Tutorials

    What Are Duplicate Records in SQL?

    Duplicate records in SQL, also known as duplicate rows, are identical rows in an SQL table. This means the values in each column coincide.

    Article by Martin Ganchev by Martin Ganchev 5 min read
    How to Create an Inner Join in SQL

    SQL Tutorials

    How to Create an Inner Join in SQL

    Article by Martin Ganchev by Martin Ganchev 11 min read
    Relationships between Tables in SQL

    SQL Tutorials

    Relationships between Tables in SQL

    Article by Martin Ganchev by Martin Ganchev 6 min read

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