What do you understand by data model?

1156

---

What is the non-clustered index in sql?

1108

---

Does sql support programming?

1119

---

What are the different types of database management systems?

1046

---

What is self-join and what is the requirement of self-join?

1197

---

What is the difference between delete and truncate statement in sql?

1136

---

What is denormalization in a database?

1109

---

What is right join in sql?

1160

---

What is data control language?

1036

---

What is the usage of the distinct keyword?

1277

---

What are the disadvantages of not performing database normalization?

1218

---

What are the usages of sql?

1104

---

Which are the different character-manipulation functions in sql?

1115

---

What is a constraint? Tell me about its various levels.

1254

---

When sql appeared?

1153

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