Breaking of relationships is allowed once referential integrity on a d
Practice Oracle Certification – Breaking of relationships is allowed once referential integrity on a database is enforced
Practice Oracle Certification – Breaking of relationships is allowed once referential integrity on a database is enforced
Practice Oracle Certification – what will be the output of the following code?
class Value
{
public int i = 15;
}
public class Test
{
public static void main(String argv[])
{
Test t = new Test();
t.first();
}
public void first()
{
int i = 5;
Value v = new Value();
v.i = 25;
second(v, i);
System.out.println(v.i);
}
public void second(Value v, int i)
{
i = 0;
v.i = 20;
Value val = new Value();
v = val;
System.out.println(v.i + ” ” + i);
}
}
Practice Oracle Certification – In the following pieces of code, B and D will compile without any error. True or false ?
A: StringBuffer sb1 = “abcd”;
B: Boolean b = new Boolean(“abcd”);
C: byte b = 255;
D: int x = 0x1234;
E: float fl = 1.2;
Practice Oracle Certification – What is the maximum number of triggers, can apply to a single table?
Practice Oracle Certification – Which dml command is used in conjunction with @@identity?
Practice Oracle Certification – The SQL keyword(s) ________ is used with wildcards.
Practice Oracle Certification – A relational database developer refers to a record as
Practice Oracle Certification – Which packages contain the JDBC classes?