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Select Random Records in MySQL

By theoryapp Posted on July 20, 2020 Posted in MySQL, SQL Tagged with mysql, random result, sql, subquery

Selecting random records from a table is helpful when showing items with no preferences or testing different result sets. The following SQL defines a table holding images. Imagine that we wish to pick up 10 random rows from it. In …

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Generate Serial Number in SQL

By theoryapp Posted on December 27, 2019 Posted in SQL Tagged with mysql, serial number, sql, user defined variable

The next query generates results as below. Suppose we want to add a column with serial numbers, just as below. In MySQL, this can be done by defining a variable in the query: Reference: MySQL User Defined Variables

Tag: sql

Select Random Records in MySQL

Generate Serial Number in SQL