What is SCD (Slowly Changing Dimensions)? What are its types?

2721

In my project I am using star schema and only diimension tables are loaded and not fact tables any one can help me why it is happening? Plase guide me.

2948

Hi guys, I have four tables those are emp,dept,eliminate and uneliminate. i wrote small cursor..when i run, it display one error (ORA-01403 nodata found)... The query is: Declare cursor c1 is select e.ename emp_name from emp e,dept d where e.deptno=d.deptno group by deptno; r1 c1%rowtype; test_emp varchar2(200); begin for r1 in c1 loop begin select eliminate_emp into test_emp from eliminate t,uneliminate ut where t.number=ut.number and t.deptno=e.deptno and rownum<1; end; dbms_output.put_line(r1.emp_name); end loop; end; Thanks...

2804

What is Mutex error in Triggers?

3130

[ERROR] [main 11:01:20] (JCLLoggerAdapter.java:error:454) Unsuccessful: alter table user.CEN_USER_MASTER add constraint FKF4EDEDC3D0BAAE75 foreign key (ROLE_ID) references user.CEN_ROLE_MASTER [ERROR] [main 11:01:20] (JCLLoggerAdapter.java:error:454) ORA-02275: such a referential constraint already exists in the table

2779

When do you get "getwmicomexception"?

2735

ORA-26028: index string.string initially in unusable state

3916

ORA-26082: load of overlapping segments on table string.string is not allowed

1823

What is the meaning of lock escalation and why/how to stop this?

2716

when i ran any workflow or session, getting below error: seesion task instance[s_xxx]: Execution terminated unexpecterdly

2300

ORA-07497: sdpri: cannot create trace file 'string'; errno = string.

2866

NZE-28890: Entrust Login Failed

1932

What is the use of NOLOCK locking hint?

1837

if the lengths of two wires are same and the area of cross sections is 4:7 then what will be the ratio of current passing through these wires

2759

why we are using shift key in unix shell script

3237