Answer Posted / sattprakash mittal

Primary key is a field which is uniquely identified each record in a table. A table can only one primary key but there are more field can be used as primary key are known as candidate keys

Is json a nosql?

541

---

What do you mean by field in sql?

536

---

How do I clear the screen in sql plus?

551

---

what does myisamchk do? : Sql dba

557

---

What view means?

558

---

---

Sql technical questions

777

---

What is function and procedure?

567

---

Which kind of parameters cannot have a default value in pl sql?

595

---

Does truncate require commit?

545

---

What is the difference between microsoft access and sql?

500

---

Can we join more than 2 tables in sql?

491

---

What are the two types of exceptions in pl/sql?

547

---

What programs use sql?

527

---

how can we submit a form without a submit button? : Sql dba

538

---

what is cursor. write example of it. What are the attributes of cursor.

745

---