What is primary and foreign key?
- 0 Answers
- 802 Views
- I also Faced
- E-Mail Answers
More SQL PLSQL Interview Questions
Which is faster count (*) or count 1?
How many types of primary keys are there?
Why do we need a foreign key?
How to select all records from the table?
What are the syntax and use of the coalesce function?
Is sqlite good enough for production?
Why we use pl sql?
Does sql profiler affect performance?
what is the command for user data type?
What is self-join and what is the requirement of self-join?
Why we use cross join?
Why triggers are used?
Categories
-
Oracle (3258) - SQL Server (4518)
- MS Access (429)
- MySQL (1402)
- Postgre (483)
- Sybase (267)
- DB Architecture (141)
- DB Administration (291)
- DB Development (113)
- SQL PLSQL (3328)
- MongoDB (502)
- IBM Informix (50)
- Neo4j (82)
- InfluxDB (0)
- Apache CouchDB (44)
- Firebird (5)
- Database Management (1411)
- Databases AllOther (288)
