What are different types of queries in sql?

0 Answers  

---

Can we join tables without foreign key?

0 Answers  

---

How many null values can be inserted in a coulmn whihc is unique constraint

8 Answers   Flextronics,

---

write a query to display diference between two dates in sql server

2 Answers  

---

What is relationship? How many types of relationship are there?

0 Answers  

---

---

What is materialized view. What are different methods of refresh?

0 Answers  

---

Are subqueries better than joins?

0 Answers  

---

Explain alias in sql?

0 Answers  

---

How to change sql*plus system settings?

0 Answers  

---

How many types of privileges are available in sql?

0 Answers  

---

How do I enable sql encryption?

0 Answers  

---

have table with two columns with datatypes as number and varchar and the values in A column like 1,2,3 AND B column values like a,b,c. now need to display data in a single column as 1,a,2,b,3,c.

8 Answers   IBM, Zensar,

---