What is the usage of the distinct keyword?

1220

---

What are the disadvantages of not performing database normalization?

1165

---

What are the usages of sql?

1058

---

Which are the different character-manipulation functions in sql?

1065

---

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

1161

---

When sql appeared?

1101

---

What is normalization in a database?

1155

---

What are the syntax and use of the coalesce function?

1205

---

What is the usage of sql functions?

1146

---

What is the requirement of self-join?

1132

---

What is the difference between clustered and non-clustered index in sql?

1015

---

What is the unique index?

1054

---

What are the subsets of sql?

1134

---

What is an inconsistent dependency?

1046

---

What is a data manipulation language?

1024

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