What is the difference between UNIQUE KEY and UNIQUE INDEX?
Answer Posted / varsha
A UNIQUE Key grantees Unique values to a column but does not sort the column data, whereas A UNIQUE Index grantees Unique values to a column and also sorts the column data.
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
how to convert character strings to numeric values? : Sql dba
How do you modify a table in sql?
How to use distinct and count in sql query? Explain
What are the uses of merge?
What are sql indexes?
what is union, minus and interact commands? : Sql dba
What is pl sql in oracle?
what is unique key constraint? : Sql dba
list out some tools through which we can draw e-r diagrams for mysql. : Sql dba
what is a cursor? : Sql dba
What is compilation error in pl sql?
Which kind of parameters cannot have a default value in pl sql?
Explain clause in sql?
Is oracle sql free?
What is the maximum rows in csv?