SQL Language Practice Exam Questions

SQL Language Practice Exam Questions

SQL is a domain-specific language that is used in programming. The SQL language exam provides you with the knowledge of the management of data held in a relational database management system. Hence, this exam is a good option for candidates who wish to develop their skills in using SQL language.

Exam Requirements

It is suggested for the candidates to have the basic knowledge and skills of data management and programming if they wish to appear for this exam.

Target Audience

This exam is intended for the following people-

• Web developers

• Students and graduates

• Programmers

• Candidates seeking job in IT departments 

Benefits

This exam is helpful as-

• It improves your data management skills.

• It enhances your knowledge of programming.

• It develops you for the competitive job market.

• It adds value to your CV.

Topics Covered

The SQL Language exam covers topics including - 

Basics of Database 

• Client/Server Fundamentals

• Defining Data

• Meaning of a Database

• Understanding DBMS (Database Management System)

• Data Models

• Knowledge of Relational Theory and Relational Model

• Understanding Databases and Tables

• RDBMS

• Architecture of RDBMS

• Database Communication Protocols

• Knowledge of SQL and the Relational Model

• Relational Operations

• Evolution of SQL 

SQL Syntax

• Knowledge of-

o SQL Lexical Structure

o Escape Characters

o Statements

o Identifiers

o Literals

o Whitespaces

o Reserved Words

o Case Sensitivity in SQL

o Comments

SQL Keys

• SQL Constraints 

• Primary and Foreign Key

• Other Constraints in SQL

SQL Database Statement

• Understanding Database Schema

• Generating Database Schemas

• Alter Schema and Drop Schema

• Creating a Database

• Alter Database

• The DROP TABLE

SQL Table Statement

• Create Table

• AlterTable

• Drop Table

SQL Select Statement

• SELECT Statement

• SQL SELECT LIMIT

• SELECT TOP Statement

SQL Clause Statement

• Knowledge of DISTINCT clause

• Understanding FROM Clause

• Knowing the WHERE Clause

• GROUP BY

• Understanding HAVING Clause

SQL Order by Statement

SQL Update Statement

SQL Insert Statement

SQL Delete Statement

SQL Join Statement

• Cross Join

• Outer join

• Inner Join

• Self-join

SQL Expressions

• Bool Expressions

• Date Expressions

• Numeric Expressions

SQL Operators

• Knowledge of Arithmetic Operators

• Understanding Comparison Operators

• Character Operators

• The Logical Operators

• Set Operators

SQL Functions

• Different Types of Function

• Mathematical Functions

• Aggregate Functions

• Date/Time Functions

• String Functions

• Branch Functions

Miscellaneous Topics

• SQL Subquery

• Trigger and Views

• Stored Procedures

• Transactions

• SQL Coding Standard

• Database Designing

• Database Normalization

• SQL Standards