Does a primary key have to be a number?
No Answer is Posted For this Question
Be the First to Post Answer
How to check if a column is nullable before setting to nullable?
What are different sql data types?
Which is better join or subquery?
What is the difference between inner join and left join?
Explain what is sql?
Does oracle roll back the transaction on an error?
IF i write before / after insert / update trigger and i do rollback what will happen?
there are .......different types of serializability
Explain how you can copy a file to file content and file to pl/sql table in advance pl/sql?
What is a package ? What are the advantages of packages ?
What are literals in sql server?
what is the difference between to_char and to_date functions?
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)