Can you define a foreign key, with a key from the same
table?
Answers were Sorted based on User's Feedback
Answer / 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 |
Answer / samsudeen
Foreign key is a reference key of the Database.
if u set the foreing key refernece to the table, its make
the relation between two table.
Is This Answer Correct ? | 0 Yes | 1 No |
How many types of jdbc drivers are available?
What is a statement in java?
how can we get the metaData (columnNames) from a table which has no Records..
What is jdbc odbc connection?
What are the Normalization Rules?
What is represented by the connection object?
Is jdbc connection secure?
What is sqlwarning and discuss the procedure of retrieving warnings?
Differentiate between a statement and a preparedstatement.
Are there any ODBC drivers that do not work with the JDBC- ODBC Bridge?
What is meant by connection string?
What is database deadlock ? How can we avoid them?