Answer / Niraj Kumar

Yes, you can create an index on a primary key in SQL. Since primary keys are already unique and typically used for faster data retrieval, adding an index on a primary key can further improve the performance of queries involving that column.

What is the purpose of a secondary key?

1 Answers  

---

how would concatenate strings in mysql? : Sql dba

1 Answers  

---

What is difference between rank () row_number () and dense_rank () in sql?

1 Answers  

---

What does bitemporal mean?

1 Answers  

---

Can you sum a count in sql?

1 Answers  

---

Compare SQL and PL/SQL.

3 Answers  

---

What are the modes of parameters that can be passed to a procedure ?

3 Answers  

---

What is rank () in sql?

1 Answers  

---

How do you drop a trigger?

1 Answers  

---

What is microsoft t sql?

1 Answers  

---

How many commands are in sql?

1 Answers  

---

how can we optimize or increase the speed of a mysql select query? : Sql dba

1 Answers  

---