How to do performance tunning a database in DB2 V8.2 UDB
in linux
What are the advantages of normalizing a database.
What is the difference between primary and candidate key?
Two tables emp(empid,name,deptid,sal) and dept(deptid,deptname) are there.write a query which displays empname,corresponding deptname also display those employee names who donot belong to any dept.
What happens when shared and exclusive locks are applied on data item?
What are the concurrency problems a database faces?
wHat Is THE difference between MOVEL and MOVEL(P)……….. CAN ANYONE EXPLAIN ME..
Does facebook use graph database?
aht is the difference b/w network & hierarchial & relational dbms????
Is data lake a database?
Explain the field term used in database.
what is the difference between relational calculus and relational algebra ?
What is the main difference b/w Teradata and Oracle?