What is the difference between unique and primary key constraints?

1071

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What is the use of nvl function?

1198

---

How many types of privileges are available in sql?

1347

---

What is the difference between clustered and non-clustered indexes?

1087

---

Explain what is a column in a table?

1107

---

Explain what is a field in a database and record in a database?

1097

---

Explain what is rdbms?

1032

---

What is a join?

1066

---

What is database white box testing and black box testing?

1109

---

What is the difference between delete, truncate and drop command?

1151

---

Tell me something about security and sql azure?

114

---

How many replicas are maintained for each sql azure db?

124

---

What is federation member?

116

---

Is it possible to link two groups inside a cross products after the cross products group has been created?

1002

---

What is the difference between a primary key and a unique key?

1052

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