Category: SQL

Data and databases

There are two fundamental concepts in SQL: data and databases. Continue reading on Medium » There are two fundamental concepts in SQL: data and databases.Continue reading on Medium » Read…

SAPI & ALTER TABLEs

Running SQL commands in your SAPI Cloud console Continue reading on Medium » Running SQL commands in your SAPI Cloud consoleContinue reading on Medium » Read More Sql on Medium…

SUM in MySQL

SUM is an aggregate function that calculates the sum of a numeric column. It’s commonly used to add up values in a table. Continue reading on Medium » SUM is…

JOINS in MySQL

Joins are used to combine rows from two or more tables based on a related column between them. Continue reading on Medium » Joins are used to combine rows from…

JOINS in MySQL

Joins are used to combine rows from two or more tables based on a related column between them. Continue reading on Medium » Joins are used to combine rows from…

COUNT in MySQL

In MySQL, COUNT is an aggregate function that returns the number of rows that matched a specified condition. Continue reading on Medium » In MySQL, COUNT is an aggregate function…

AVG in MySQL

AVG function returns the average value of a specified column. It ignores `NULL` values in the column when calculating the average. Continue reading on Medium » AVG function returns the…