MySQL – Standard Deviation Table of content MySQL Standard Deviation Functions are mathematical functions that are used to calculate the variation or dispertion between values in a dataset. There are two types of standard deviations in MySQL, they are population standard deviation and sample standard deviation. Popular standard deviation The “population standard deviation” is the […]
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MySQL – Cursors Table of content The MySQL Cursors A MySQL cursor is a pointer that is used to iterate through a table”s records. They are used within stored programs such as procedures and functions and have the following features − READ ONLY − Cursors only allow you to read data; you can”t make changes […]
MySQL – Vertical Partitioning Table of content The MySQL Partitioning is used to divide large tables into smaller partitions that are stored in different physical locations and are treated as separate tables. Even though the smaller partitions are managed individually, they are still part of the main table. There are two forms of partitioning in […]