Employee attendance system

Question

hello all,
what are the requirements for creating a employee attendance tracking system
what are all the tables colums i want to create for the same

Answer 1

HI user13792460
FOR DATA BASE Side u can use intially
--======================
  FOR DATA BASE
--===========
CREATE TABLE DEPT
( DEPTNO NUMBER(3),
DNAME VARCHAR2(35) NOT NULL ,
LOC VARCHAR2(17),
CONSTRAINT PK_DEPT PRIMARY KEY ( DEPTNO ) );
--==================================
CREATE TABLE EMP
( EMPNO NUMBER(5) ,
ENAME VARCHAR2(39)NOT NULL,
JOB VARCHAR2(9),
DEPTNO NUMBER(3),
CONSTRAINT PK_EMP PRIMARY KEY ( EMPNO ) ,
CONSTRAINT FK_DEPT FOREIGN KEY ( DEPTNO )   
REFERENCES DEPT( DEPTNO )
--=================================
CREATE TABLE EMP_ATTENDANCE
( ATTEND_ID NUMBER(5) ,
ATT_DATE DATE,
TIME_IN  DATE,
TIME_OUT  DATE,
ATTENDANCE_FLAG  CHAR(1),
PERMISSION_FLAG  CHAR(1),
MISSION_FLAG     CHAR(1),
HOLIDAY_FLAG      CHAR(1),
EMPNO NUMBER(5) ,
DEPTNO NUMBER(3),
CONSTRAINT PK_ATTEND_ID PRIMARY KEY ( ATTEND_ID) ,
CONSTRAINT FK_EMP_ATTEND FOREIGN KEY ( EMPNO )   
REFERENCES EMP( EMPNO ),
CONSTRAINT FK_DEPT_ATTEND FOREIGN KEY ( DEPTNO )   
REFERENCES DEPT( DEPTNO )
--==================================Viewing Information about constraints
To see information about constraints, you can query the following data dictionary tables.
--==================================
SELECT * FROM  user_constraints;
SELECT * FROM  user_cons_columns;
--==================================
Hope this helps u...
Regards,
Abdetu...