Answers for "select max value from sequence in oracle"

oracle set sequence value to max(id)

SELECT LAST_NUMBER FROM ALL_SEQUENCES WHERE SEQUENCE_NAME = 'seq_name';

ALTER SEQUENCE seq_name INCREMENT BY 100;	-- Value to reach desired value - 1
SELECT seq_name.nextval FROM dual;			-- Reinitialize value to desired
ALTER SEQUENCE seq_name INCREMENT BY 1;		-- Back to init step

oracle alter sequence max value

ALTER SEQUENCE seq_name INCREMENT BY 2;
ALTER SEQUENCE seq_name MAXVALUE 1000;
ALTER SEQUENCE seq_name NOMAXVALUE;
ALTER SEQUENCE seq_name MINVALUE 10;
ALTER SEQUENCE seq_name NOMINVALUE;
ALTER SEQUENCE seq_name CACHE 1000;
ALTER SEQUENCE seq_name NOCACHE;
ALTER SEQUENCE seq_name CYCLE;
ALTER SEQUENCE seq_name NOCYCLE;