ㅇ_ㅇ
CREATE USER TODOLIST IDENTIFIED BY TODOLIST;
GRANT CONNECT, RESOURCE TO TODOLIST;
--------------------------------------------------------------------------------
CREATE TABLE AAA(
AAA_1 VARCHAR2(20),
AAA_2 NUMBER
);
CREATE SEQUENCE AAA_SEQ
START WITH 1
INCREMENT BY 1
MAXVALUE 100
MINVALUE 1
NOCYCLE
CACHE 20;
INSERT INTO AAA VALUES(123, 1);
SELECT * FROM AAA;
INSERT INTO AAA VALUES('시퀀스2', AAA_SEQ.NEXTVAL);
INSERT INTO AAA VALUES('시퀀스3', AAA.SEQ.CURRVAL);
SELECT AAA_SEQ.CURRVAL FROM DUAL;
-- SELECT AAA_SEQ.CURRVAL FROM AAA_SEQ;
-- SELECT * FROM AAA_SEQ;
SELECT * FROM USER_SEQUENCES;
SELECT AAA_SEQ.NEXTVAL FROM AAA;
SELECT AAA_2 FROM AAA;
DROP TABLE AAA;
DROP SEQUENCE AAA_SEQ;
--------------------------------------------------------------------------------
-- [TODOLIST]테이블 생성
CREATE TABLE TODOLIST(
TODO_TASK VARCHAR(2000),
TODO_DUEDATE DATE,
DDAY NUMBER
);
-- [TODO_SEQ]시퀀스 생성
CREATE SEQUENCE TODO_SEQ;
-- START WITH 1
-- INCREMENT BY 1
-- MAXVALUE 200
-- MINVALUE 1
-- NOCYCLE
-- CACHE 20;
-- [TODOLIST]테이블에 시퀀스값 및 우선순위NUMBER값 컬럼 추가
ALTER TABLE TODOLIST ADD TODO_SEQ NUMBER PRIMARY KEY
ADD TODO_PRIORITY NUMBER;
ALTER TABLE TODOLIST ADD TODO_EXCUTE CHAR(1);
ALTER TABLE TODOLIST MODIFY TODO_EXCUTE CHECK (TODO_EXCUTE IN ('Y', 'N'));
INSERT
INTO TODOLIST
VALUES('다 할 수 있을까', 230829, TO_CHAR(TODO_DUEDATE-SYSDATE), TODO_SEQ, 1, 'N');
SELECT TO_CHAR(SYSDATE) FROM DUAL;
SELECT SYSDATE FROM DUAL;
SELECT TO_CHAR(SYSDATE-SYSDATE) FROM DUAL;
-- [TODOLIST] DDAY 타입변경
ALTER TABLE TODOLIST MODIFY DDAY DATE;
COMMIT;
-- [TODOLIST]테이블 조회
SELECT * FROM TODOLIST;
Run
package com.kh.run;
import com.kh.view.TodoListView;
public class Run {
public static void main(String[] args) {
new TodoListView().mainMenu();
}
}
VO
package com.kh.model.vo;
import java.sql.Date;
public class TodoList {
private String task;
private Date dueDate;
private int remaining;
private int sequence;
private int priority;
private char execute;
public TodoList() {
super();
}
public TodoList(String task, Date dueDate, int remaining, int sequence, int priority, char execute) {
super();
this.task = task;
this.dueDate = dueDate;
this.remaining = remaining;
this.sequence = sequence;
this.priority = priority;
this.execute = execute;
}
public String getTask() {
return task;
}
public void setTask(String task) {
this.task = task;
}
public Date getDueDate() {
return dueDate;
}
public void setDueDate(Date dueDate) {
this.dueDate = dueDate;
}
public int getRemaining() {
return remaining;
}
public void setRemaining(int remaining) {
this.remaining = remaining;
}
public int getSequence() {
return sequence;
}
public void setSequence(int sequence) {
this.sequence = sequence;
}
public int getPriority() {
return priority;
}
public void setPriority(int priority) {
this.priority = priority;
}
public char getExecute() {
return execute;
}
public void setExecute(char execute) {
this.execute = execute;
}
@Override
public String toString() {
return "TodoList [task=" + task + ", dueDate=" + dueDate + ", remaining=" + remaining + ", sequence=" + sequence
+ ", priority=" + priority + ", execute=" + execute + "]";
}
}
View
package com.kh.view;
import java.util.Scanner;
public class TodoListView {
private Scanner sc = new Scanner(System.in);
// 접근제한자 (예약어static) 반환형 메소드명(매개변수){}
public void mainMenu() {
while(true) {
System.out.println(" --------- TodoList ----------- ");
System.out.println("1. 할일 추가");
System.out.println("2. 할일 조회");
System.out.println("3. 할일 수정");
System.out.println("4. 할일 삭제");
System.out.println("5. 완료 처리");
System.out.println("0. 프로그램 종료");
System.out.print("번호를 눌러주세요 : ");
System.out.println();
int menu = sc.nextInt();
sc.nextLine();
switch(menu) {
case 1 : insertTodo(); break;
case 2 : selectTodo(); break;
case 3 : updateTodo(); break;
case 4 : deleteTodo(); break;
case 5 : completeTodo(); break;
case 0 : System.out.println("프로그램을 종료합니다."); return;
}
}
}
private void insertTodo() {
System.out.print("할일을 입력해 주세요.");
}
private void selectTodo() {
// TODO Auto-generated method stub
}
private void updateTodo() {
// TODO Auto-generated method stub
}
private void deleteTodo() {
// TODO Auto-generated method stub
}
private void completeTodo() {
// TODO Auto-generated method stub
}
}
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