What is the difference between a primary key and a composite key?
- 0 Answers
- 555 Views
- I also Faced
- E-Mail Answers
More Postgre Interview Questions
What is gis data?
Where is pgadmin installed?
What is foreign key violation?
Does unique index improve performance?
Who owns postgres database?
How do you define a composite key?
How do I delete a table in postgresql?
What port does pgadmin use?
What is postgres xc?
Is primary key indexed by default?
i have three table 1. student (stuid,name) 2. subject (subid,sname,studid) 3. marks (subid,studentid,marks) i want the reslut of how as got max marks in each subject sudentname,max(marks), name abc,70,nikitha
Is edb postgres free?
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)
