Certification Questions

Practice Oracle Certification – Which of the following is a comparison operator in SQL?

Practice Oracle Certification – MOV extension refers usually to what kind of files?

Practice Oracle Certification – Insert command falls in which sub-language of SQL ?

Practice Oracle Certification – Count function in SQL returns the number of

Practice Oracle Certification – In R-DBMS, the data is organized in the form of _____.

Practice Oracle Certification – Which command is used to return maximum value from result set?

Practice Oracle Certification – The SQL keyword BETWEEN is used:

Practice Oracle Certification – Data integrity constraints are used to

Practice Oracle Certification – STUFF and REPLACE are used to replace characters in a string

Practice Oracle Certification – Copying the logs on the standby/backup server is an operation of Log Shipping

Practice Oracle Certification – Can’t update primary table’s primary key if row being modified has related rows in secondary table once referential integrity is enforced

Practice Oracle Certification – Go command is a signal to execute the entire batch of SQL statements after previous Go

Practice Oracle Certification – What is the output after compile and run the following code ?

int Output = 10;
boolean b = false;
if((b == true) && ((Output += 10) == 20))
{
System.out.println(“We are equal ” + Output);
}
else
{
System.out.println(“Not equal! ” + Output);
}

Practice Oracle Certification – Which among the following keys are used to identify each row of the table uniquely?

Practice Oracle Certification – What is the default return value of a function?