Explain the difference between a primary key and a unique key?
No Answer is Posted For this Question
Be the First to Post Answer
What is instance in dbms?
For each user who needs access, the DBA creates an account in which database?
Why is it better to use an Integrity Constraint to validate data ?
What do you mean by cardinality and its types?
What built in subprogram is used to manipulate images in image items ?
describe and contrast a trigger and a procedure.
What is a 3nf table?
what is datapump? Difference between exp and expdp?
2 Answers Capital IQ, TCS, WNS,
I need data on eBay customers in Chicago who can did bid on certain item? I dont have access to eBay database directly. How I get the information?
What is difference between database and file?
Why rdbms is called relational?
What are the lock types?
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)