optimistic
Pronunciation:
/ˌɒptɪˈmɪstɪk//ˌɑptɪˈmɪstɪk/adjective
Definitions
Expecting the best in all possible ways.
Example: in an optimistic mood
Antonyms:pessimisticAllowing other processes to perform transactions on the same data at the same time, and checking for conflicts only when changes need to be written back.
Example: optimistic concurrency