# book.xml CREATE INDEX idx_nav_id ON book_info(nav_id); CREATE UNIQUE INDEX uniq_id ON book_info(id); CREATE UNIQUE INDEX uniq_nav_id ON navigation(id); CREATE INDEX idx_lib_id ON book(lib_id); CREATE INDEX idx_lib_id ON book(book_info_id); #borrowReturn.xml CREATE UNIQUE INDEX uniq_user_rtx_borrow_num ON user(user_rtx(8),borrow_num); CREATE INDEX idx_lib_id ON user(lib_id); CREATE INDEX idx_is_return ON borrowed(is_return); #reserve.xml CREATE INDEX idx_book_info_id ON reserve(book_info_id); CREATE INDEX idx_lib_id ON reserve(lib_id); CREATE INDEX idx_user_rtx ON reserve(user_rtx(8));