What is the primary key?

1009

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How to select all records from the table?

1194

---

How to write a query to show the details of a student from students table whose

1071

---

List different type of expressions with the example.

977

---

Define join and name different types of joins?

1060

---

What do we need to check in database testing?

1074

---

How we can update the view?

1110

---

How do we use distinct statement? What is its use?

1084

---

Enlist some predefined exceptions?

1119

---

What do you mean by query optimization?

1052

---

Explain the difference between cursor declared in procedures and cursors declared in the package specification?

1235

---

What do you mean by stored procedures? How do we use it?

1043

---

Difference between truncate, delete and drop commands?

1151

---

How do you add a column to a table?

1107

---

What is a table?

1064

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