Uninitialized variable declaration Uninitialized variable declaration Crystal allows declaring uninitialized variables: x = uninitialized Int32 x # => some random value, ...

About this guide Comments Documenting code Literals Assignment Local variables Control expressions Requiring files Types and methods Exception handling Type grammar Ty...

CANCEL BACKUP Description example keyword CANCEL BACKUP Description This statement is used to cancel an ongoing BACKUP task. Grammar: CANCEL BACKUP FROM db_name; example ...

SHOW TABLET Description example keyword SHOW TABLET Description This statement is used to display tablet-related information (for administrators only) Grammar: SHOW TABLET...

SHOW FILE Description example keyword SHOW FILE Description This statement is used to show a file created in a database Grammar: SHOW FILE [FROM database]; Explain: Fi...

CANCEL RESTORE Description example keyword CANCEL RESTORE Description This statement is used to cancel an ongoing RESTORE task. Grammar: CANCEL RESTORE FROM db_name; Be car...

START MIGRATION CHECK Description Syntax Supplement Example Reserved word Related links START MIGRATION CHECK Description The START MIGRATION CHECK syntax is used to sto...

SHOW-INDEX Name Description Example Keywords Best Practice SHOW-INDEX Name SHOW INDEX Description This statement is used to display information about indexes in a table....

START MIGRATION CHECK Description Syntax Supplement Example Reserved word Related links START MIGRATION CHECK Description The START MIGRATION CHECK syntax is used to sto...

CANCEL RESTORE Description example keyword CANCEL RESTORE Description This statement is used to cancel an ongoing RESTORE task. Grammar: CANCEL RESTORE FROM db_name; Be car...