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

2650

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...

2739

write a database figure to implement the master detained relationship.

2934

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...

2595

What is live lock, deadlock and what is Lock escalation?

2432

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.

2870

ORA-26030: index string.string had string partitions made unusable due to:

1941

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

2662

IMG-02003: 2FF03 - incorrect color histogram feature specification

1706

How to solve -805 error i.e. Bind issue. There are two conditions- 1) If you have access to the database table 2) If you don't have access to the table

2639

What is Mutex error in Triggers?

3064

How to resolve QSM-01108 error. I have no OR conditions in my query, but do have 9 IN conditions. The error says the max limit is 2 while I have 257 number of disjuncts. However, if I remove even a single IN condition, the query is rewritten. I cannot change my query. How can I resolve this issue?

2721

ORA-26094: stream format error: input column overflow

2797

ORA-16626: failed to enable specified object

2217

invalid quantity specification negative quantity are not allowed for this item please check this item definition quantity

3383