Can a composite key be null?
No Answer is Posted For this Question
Be the First to Post Answer
Is natural join and inner join same?
What is error ora-12154: tns:could not resolve the connect identifier specified?
I have 2 table A and B. In A 1 lakh record is present. In b 20 thousand data is present. To get the unique data from table A and B which join we should prefer left inner join or right outer join. Please answer.
What is the difference between in and between in sql?
What is delimiter in pl sql?
cursor types? explain with example programs?
What is the basic structure of an sql?
What is meant by truncate in sql?
Difference between inline query and stored procedure?
Can any one tell me how to increase the performance of a sql query ie what are the performance tips in creating or writing a sql query !!?
What is the fastest way of accessing a row in a table?
pl/sql testing means what ...... explain process how to find pl/sql bugs
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)