What do you understand by e-r model?

1038

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What do you understand by ‘database’?

989

---

Enlist some commands of ddl, dml, and dcl.

993

---

How to improve query performance using index hunting?

1191

---

Explain the importance of database partitioning.

984

---

Define weak entity set.

1086

---

What do you understand by data independence? What are its two types?

1079

---

What are the disadvantages of a query?

1038

---

Explain primary key and composite key.

993

---

Differentiate between ‘delete’, ‘truncate’ and ‘drop’ commands.

1166

---

What do you understand by data independence?

1111

---

What do you understand by ‘atomicity’ and ‘aggregation’?

919

---

Enlist the advantages of dbms.

979

---

What are the advantages and disadvantages of views in the database?

1079

---

What do you understand by functional dependency?

927

---