Answer / Pradeep Sharma

Database development refers to the process of designing, constructing, testing, and maintaining a database system. It includes tasks such as data modeling, schema design, coding, testing, and deployment. The goal is to create a well-structured, efficient, and secure database that meets the needs of the organization.

Which four data types cannot be used as a return type from a user-defined function?

1 Answers  

---

Write the difference between case version and decode version.

2 Answers  

---

You have a table with three columns: amount1, amount2, and amount3 in a single row only one of these three columns will have a value and the other two will be null. Write a sql query to retrieve the values from these columns?

1 Answers  

---

Write the fastest query to find out how many rows exist in a table?

1 Answers  

---

What you can do to remove data from the cache and query plans from memory for testing the performance of a query repeatedly?

1 Answers  

---

how to find the first two highest salaries in deptno in emp table

2 Answers  

---

What is the database development process?

1 Answers  

---

Explain about xml databases?

1 Answers  

---

On friday, you issued several insert statements using query analyzer. You then verified the data had been correctly entered with a select statement on monday, your users report that the data is not there what happened?

1 Answers  

---

How to read and create .LDC data files which are used by linguatic dictionary.

1 Answers  

---

Explain what a database is?

1 Answers  

---

What are the key features of dbms?

1 Answers  

---