I have the following: one and three should always be updated. However, how can I update two only if it is null/empty? I can do this in a separate command, though how can I achieve this in one prepared statement? I am using SQLite3 Answer Use a CASE expression for column two: Or with COALESCE():
Tag: case
php switch statement with wildcard in the string
I would like to have a switch statement with both literal cases and cases with a wildcard in the string: Of course the * will be taken literally here cause I define it as a string, so this does not work, but you know what I would like to accomplish: for the A, B and D cases the numbers can
Show a text depending on the value of a column MySQL
I would like to know, how can I build a query that shows me an extra column where instead of showing the true value of the original column it shows me the text that i want? For example, The Column, in this case “inputOutput”, save values 0 or 1, and I would like to show in a query that if