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Categories / Oracle PLSQL / Select Query

 

Using and, or operator in having clause

SQL> SQL> CREATE TABLE server_usage (   2    pro_id                   NUMBER(4),   3    emp_id                  NUMBER,   4    time_log_date                DATE,   5    hours_logged                 NUMBER(8,2),   6    dollars_charged              NUMBER(8,2),   7    CONSTRAINT server_usage_pk  PRIMARY KEY (pro_id, emp_id, time_log_date)   8  ); Table created. SQL> INSERT INTO server_usage(pro_id, emp_id, time_log_date, hours_logged, dollars_charged)   2                    VALUES (1001,101,to_date('4-Apr-2004','dd-mon-yyyy'),1123,222); 1 row created. SQL> INSERT INTO server_usage(pro_id, emp_id, time_log_date, hours_logged, dollars_charged)   2                    VALUES (1002,102,to_date('4-Apr-2005','dd-mon-yyyy'),1124,223); 1 row created. SQL> INSERT INTO server_usage(pro_id, emp_id, time_log_date, hours_logged, dollars_charged)   2                    VALUES (1003,103,to_date('4-Apr-2006','dd-mon-yyyy'),1125,224); 1 row created. SQL> INSERT INTO server_usage(pro_id, emp_id, time_log_date, hours_logged, dollars_charged)   2                    VALUES (1004,104,to_date('4-Apr-2007','dd-mon-yyyy'),1126,225); 1 row created. SQL> INSERT INTO server_usage(pro_id, emp_id, time_log_date, hours_logged, dollars_charged)   2                    VALUES (1005,105,to_date('4-Apr-2008','dd-mon-yyyy'),1127,226); 1 row created. SQL> INSERT INTO server_usage(pro_id, emp_id, time_log_date, hours_logged, dollars_charged)   2                    VALUES (1001,106,to_date('4-Apr-2009','dd-mon-yyyy'),1128,227); 1 row created. SQL> INSERT INTO server_usage(pro_id, emp_id, time_log_date, hours_logged, dollars_charged)   2                    VALUES (1002,107,to_date('4-Apr-2010','dd-mon-yyyy'),1129,228); 1 row created. SQL> SQL> SET ECHO ON SQL> SELECT emp_id, pro_id   2  FROM server_usage   3  GROUP BY emp_id, pro_id   4  HAVING (pro_id = 1001 OR pro_id=1002)   5     AND SUM(hours_logged) > 20;        101       1001        102       1002        106       1001        107       1002 4 rows selected. SQL> SQL> drop table server_usage; Table dropped.