Employee photo table (EMP_PHOTO)

 

The employee photo table contains a photo of each employee identified by an employee number.

The employee photo table is created with the following CREATE TABLE and ALTER TABLE statements: 

CREATE TABLE EMP_PHOTO  
             (EMPNO CHAR(6) NOT NULL, 
              PHOTO_FORMAT VARCHAR(10) NOT NULL, 
              PICTURE BLOB(100K), 
              EMP_ROWID CHAR(40) NOT NULL DEFAULT '', 
              PRIMARY KEY (EMPNO,PHOTO_FORMAT))



ALTER TABLE EMP_PHOTO             ADD COLUMN DL_PICTURE DATALINK(1000)
                LINKTYPE URL NO LINK CONTROL



ALTER TABLE EMP_PHOTO 
              ADD FOREIGN KEY (EMPNO) 
              REFERENCES EMPLOYEE 
              ON DELETE RESTRICT

The following index is created: 

CREATE UNIQUE INDEX XEMP_PHOTO 
              ON EMP_PHOTO (EMPNO,PHOTO_FORMAT)

The table below shows the content of the columns.

Column name Description
EMPNO Employee number
PHOTO_FORMAT Format of image stored in PICTURE
PICTURE Photo image
EMP_ROWID Unique row ID, not currently used

 

Parent topic:

DB2 Universal Database for iSeries sample tables