Background:My only real programming experience is a C++ course I took nearly 10 years ago. My current job has me all sort of things, one of which is some rudimentary level IT work. Usually ...

Create a query expression to insert the data into the MySQL database. Use a prepared statement to properly escape data and avoid MySQL injection exploits.

MySQL SUM Function The MySQL SUM function takes the fields or rows you input and adds their values together, then returns the total. Save your query in a PHP variable.

Hiya,I want to update in one table dependant on the contents of another table, like;UPDATE table1 set column1 = '0' where table2 column2 ...