What is primary key and unique key?

1134

---

Why do we need databases?

1058

---

What are primary key and foreign key and how they work?

989

---

What are the different types of dbmss?

1029

---

What are the advantages of normalization?

1094

---

What are the different types of dbms?

1026

---

Explain the working of primary key?

1118

---

What are sql functions? Describe the different types of sql functions?

1160

---

Describe different types of general function used in sql?

1052

---

What are sql functions? Describe in brief different types of sql functions?

1117

---

What is the difference between sql and isql*plus?

1118

---

Explain exception handling in pl/sql?

1051

---

What is the use of double ampersand (&&) in sql queries? Give an example

1156

---

what is the use of double ampersand (&&) in sql queries?

1190

---

What is sql and also describe types of sql statements?

1078

---