Why coalesce is used in sql?

0 Answers  

---

Is ms sql traffic encrypted?

0 Answers  

---

What is trigger in sql? Explain

0 Answers  

---

SELECT category, type, AVG(price) FROM products GROUP BY category, type ORDER BY 1, 2 If there are three distinct categories in the "products" table, and each one has five different types, how many rows are returned by the query above? 1. 1 row 2. 3 rows 3. 5 rows 4. 8 rows 5. 15 rows

3 Answers  

---

How many commands are in sql?

0 Answers  

---

what is Hash join?how it is different from inner join?what is the sign used for inner join?(eg: like the (+) sign used for outer join)?

3 Answers   TCS,

---

What is case function?

0 Answers  

---

Does group by remove duplicates?

0 Answers  

---

How to place comments in pl/sql?

0 Answers  

---

What is primary key and foreign key with example?

0 Answers  

---

What is an index in sql with example?

0 Answers  

---

i don't want the message as 14 rows updated just it should update what it will do

4 Answers  

---