Can you define a foreign key, with a key from the same
table?
Answer Posted / abhay
No, foreign key in a table is a reference from another
table, making a key foreign in the table itself will not be
useful for anything since the table will reference itself
during a query
| Is This Answer Correct ? | 4 Yes | 0 No |
Post New Answer View All Answers
How vendor Naming registry supports JNDI?
How you restrict a user to cut and paste from the html page using java programing?
What is the significance of DataBaseMetaData.tableIndexStatistics? How to obtain and use it?
What are different types of ResultSet?
What is the use of the statement in jdbc?
How can we disable a constraint ?
What are jdbc and its components?
What is difference between jdbc and odbc?
Differentiate between a statement and a preparedstatement.
What is a jdbc driver and how many jdbc drivers are available?
What are the benefits of PreparedStatement over Statement?
State the three different ways in which you can create a table?
What is an advantage of using the jdbc connection pool?
Explain jdbc savepoint?
What do you mean by two phase commits?