cc. questions

• Mysql: How do you create a table with multiple primary keys?
• Set a String to "" or leave it null?
• Optimizing if-else /switch-case with string options
• Why doesn't my string comparison work?
• How to use Intellij IDEA to its full functionality? [closed]
• Can I set the environment of Intellij IDE like Visual Studio?
• Java: Interview questions for software tester? [closed]
• It's possible to have a WHERE clause after a HAVING clause?

cc. answers