Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / ravin
Unique constraint and unique index are different things but
their goals might be similar.
Unique index is created implicitly with the creation of
Primary key and unique key both.
Hence no primary key can be created without a unique index.
| Is This Answer Correct ? | 19 Yes | 0 No |
Post New Answer View All Answers
How do I copy a table in sql?
Is merge a dml statement?
Is sql procedural language?
what is sp_pkeys? : Transact sql
how to analyze tables with 'mysqlcheck'? : Sql dba
Are there any features that are decommissioned in 11g that are not present in 11g?
How to assign sql query results to pl sql variables?
What is normalization sql?
what are the differences between procedure-oriented languages and object-oriented languages? : Sql dba
Does sap use sql?
How do I create a sql script?
Write a program that shows the usage of while loop to calculate the average of user entered numbers and entry of more numbers are stopped by entering number 0?
Do we need to create index on primary key?
Write a query to find the names of users that begin with "um" in sql?
How do I kill a query in postgresql?
