Simple Expressions

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Simple expression can be either a column, a constant, or NULL.

Column Expression

A column expression refers to a column in a table by using its name, which can be either a fully qualifiedname or a simple name.

  1. column_expression ::= [keyspace_name.][table_name.][column_name]

Constant Expression

A constant expression represents a simple value by using literals.

  1. constant_expression ::= string | number

NULL

When an expression, typically a column, does not have a value, it is represented as NULL.

  1. null_expression ::= NULL

See Also

All Expressions