what are the advantages of primary key over unique+notnull
- 7 Answers
- 20904 Views
- Consultancy, LGS, Oracle, I also Faced
- E-Mail Answers
Answer Posted / nitesh
PRIMARY KEY CREATED WITH INDEXES WHICH IS NOT HAPPEN WITH
UNIQUE AND NOT NULL
| Is This Answer Correct ? | 8 Yes | 21 No |
Post New Answer View All Answers
Is keyword pl sql?
How delete all data from all tables in sql?
What is the difference between microsoft sql and mysql?
What is the difference between pl and sql?
What is cursor and its types?
Can we call a function containing dml statements in a select query?
What are % type and % rowtype?
Can you have a foreign key without a primary key?
Is sql dba a good career? : SQL DBA
Differentiate between syntax and runtime errors.
What are inner and outer joins examples of both?
What is recursive join in sql?
how tsql statements can be written and submitted to the database engine? : Transact sql
what are the different index configurations a table can have? : Sql dba
What are the types of operators available in sql?
