Can we use more than one null value for unique key?
Answers were Sorted based on User's Feedback
Answer / pavani
No, we can't use more than one null value for unique key.
Unique means it doesn't accept duplicate values.
| Is This Answer Correct ? | 41 Yes | 67 No |
Do ddl statements need commit?
Explain autonomous transaction.
Which sql most popular?
What is AUTH_ID and AUTH_USER in pl/sql ?
write a query to display diference between two dates in sql server
What is the default isolation level in sql server? : Transact sql
What are the blocks in stored procedure?
What found sql?
What is sql lookup?
Why do we need view in sql?
column A column b | output 10 7 | 10 5 8 | 8 7 -9 | 7 3 5 | 5 0 6 | 6 Write a sql query to print such output.
Why do we need cursor in pl sql?
Oracle (3259)
SQL Server (4518)
MS Access (429)
MySQL (1402)
Postgre (483)
Sybase (267)
DB Architecture (141)
DB Administration (291)
DB Development (113)
SQL PLSQL (3330)
MongoDB (502)
IBM Informix (50)
Neo4j (82)
InfluxDB (0)
Apache CouchDB (44)
Firebird (5)
Database Management (1411)
Databases AllOther (288)