Tagged: SQL for Data Analysis

MySQL Limit the Number of Characters Returned

MySQL Limit the Number of Characters Returned, you may sometimes need to truncate a string and return only a specific number of characters from a column. For example, suppose a table contains team names...

How to Get the Last Day of the Previous Month in MySQL

Get the Last Day of the Previous Month in MySQL, Working with month-end dates is a common requirement in SQL. A report might need to compare this month’s sales with the previous month’s closing...

How to INNER JOIN on Multiple Columns in MySQL

mysql inner join multiple columns, sometimes one column isn’t enough to identify the relationship between two tables. Imagine a basketball database where the same team has a Guard, Forward, and Center. If you join...