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Identifiers and Keywords
DeltaStream SQL uses a lexical policy for identifiers (such as tables, columns, and function names) similar to SQL:
- The case of identifiers is not preserved unless they are quoted.
`allow identifiers to contain non-alphanumeric characters, e.g.
SELECT a AS `my field` FROM t.
String literals must be enclosed in single quotes
', e.g., '你好 Joe'. Duplicate a single quote for escaping, e.g.,
SELECT 'It''s me'.
The following is a list of reserved keywords in DeltaStream SQL: