Can primary key be null?

879

---

What is varray?

1034

---

What do you create a sessionfactory?

299

---

Explain the gray box testing?

1116

---

There is a column with date in it. If I want to get just month how it can be done? Can I use sub string?

1059

---

Are javascript variables global?

1000

---

How do you retrieve the data for repetitive structures ? : abap hr

1137

---

Is unix free to use?

864

---

What are the different approaches to implement a function to generate a random number?

997

---

How are count counta and countif functions different from each other?

589

---

Why is mq used?

972

---

Short Answer on __________written Down value

1868

---

which stabilizer is better ? AVR, Servo Stabilizer, Static stabilizer etc & why explain it

2806

---

How do I delete categories?

161

---

Define what is a p-n junction?

1098

---