⟩ Explain what are the Referential actions supported by FOREIGN KEY integrity constraint?
UPDATE and DELETE Restrict -
A referential integrity rule that disallows the update or deletion of referenced data.
UPDATE and DELETE Restrict -
A referential integrity rule that disallows the update or deletion of referenced data.
Explain There is a field of type character in the table, but we are storing numeric values like (Roll number) in this field, so if we want to sort the field (in java) according to numbers. How?
Explain When does a Transaction end?
Explain What does ROLLBACK do?
What is COST-based approach to optimization?
Explain What are the values that can be specified for OPTIMIZER_GOAL parameter of the ALTER SESSION Command?
Explain What are the factors that affect OPTIMIZER in choosing an Optimization approach?
Explain What are the values that can be specified for OPTIMIZER MODE Parameter?
What Is Transport Network Substrate (TNS) in Oracle?
What is Oracle Database 10g Express Edition?
What Is Open Database Communication (ODBC) in Oracle?