Input from the keyboard, a string to convert all lowercase letters to uppercase, and the output to a disk file "test" save; Then read the data from a disk file "test", and its output to the display, the input string to! The end,

CodePudding user response:

In SQL environment do it?

CodePudding user response:

reference 1st floor qq_25388347 response:

requirements in SQL environment do it?

Help me, dl