Examlex
An index can have from one to ____ columns (only 30 columns if it is a bitmap index) .
Q4: You can remove all the rows in
Q15: Nested table rows are associated with a
Q28: If using SQL*Plus and not SQL*Plus Worksheet,you
Q29: A _ baseline moves with the current
Q40: Subqueries can return more than a single
Q52: _ are automated counters,counting from a specific
Q64: A _ is a named group of
Q66: A(n)_ integrity constraint is the column or
Q67: A(n)_ is a chunk of memory allocated
Q82: You can use expressions in function-based indexes.