GK SHARMA – Page 15 – TutorialNexa

What is function in sql? Explain group functions and string function with example.

Group Functions in SQL In SQL, group functions help us perform calculations on groups of rows in a database table. These functions allow us to summarize and retrieve information…

GK SHARMA October 4, 2023

SQL_PLSQL

What are the fundamental SQL concepts, and can you provide clear examples for each of the following: NULL value, comment, special operator, ORDER BY clause, GROUP BY clause, column alias, and HAVING clause?

Understanding SQL Concepts Simplified In SQL, we have several important concepts to make our database queries powerful and precise. Let's break them down in simple terms: NULL Value What…

GK SHARMA October 4, 2023

SQL_PLSQL

Classification of SQL Commands

SQL: Structured Query Language SQL, which stands for Structured Query Language, is a powerful tool used to manage and manipulate databases. It allows you to interact with databases to…

GK SHARMA October 4, 2023

SQL_PLSQL

What is a Function in SQL?What are various kinds of functions in SQL?

Understanding Functions in SQL Functions in SQL are powerful tools that allow you to perform various operations on data stored in a database. These functions help simplify complex tasks…

GK SHARMA October 3, 2023

SQL_PLSQL

What Do You Mean by Database and DBMS?

Database: A database is like a digital filing cabinet for storing and organizing information. It's a place where we keep all sorts of data, like names, numbers, and more.…

GK SHARMA October 3, 2023

SQL_PLSQL

How can you DELETE USER Accounts in sql?

Deleting User Accounts in SQL Deleting user accounts in SQL is a simple process. Follow these steps to remove a user account: Step 1: Connect to the Database Before…

GK SHARMA September 30, 2023

SQL_PLSQL

How can you CREATE USERS in sql?

Creating Users in SQL Creating users in SQL allows you to give different people access to a database. Here's how you can do it in simple steps: Steps to…

GK SHARMA September 30, 2023

SQL_PLSQL

How can you remove a table in database?

Removing a Table in a Database Steps to Remove a Table from a Database Open Your Database Software: Start by launching the software you use to manage your database.…

GK SHARMA September 30, 2023

SQL_PLSQL

Why BETWEEN operator is used in SQL?

Why BETWEEN Operator is Used in SQL? In SQL, the BETWEEN operator is used to make it easier to find data within a specific range. It's like setting boundaries…

GK SHARMA September 30, 2023

SQL_PLSQL

What is the use of AND ,OR and NOT operator in SQL?

Understanding the Use of SQL AND, OR, and NOT Operators Introduction In SQL (Structured Query Language), we use special words called operators to help us filter and combine data…

GK SHARMA September 30, 2023