The Ultimate SQL Practice Test-400+ Questions

“Mistakes are proof that you’re trying. Embrace them, learn from them, and let them fuel your journey to greatness.”

Welcome to The Ultimate SQL Practice Test

Exam Syllabus

SQL Fundamentals and Query Techniques

This Chapter covers fundamental SQL concepts and syntax, including basics like SQL SELECT statements and SELECT DISTINCT. You’ll delve into SQL clauses such as WHERE and SELECT TOP, as well as keywords like ORDER BY. The test also addresses SQL operators like AND, OR, and NOT, handling SQL NULL values, and executing statements for INSERT, UPDATE, and DELETE. Additionally, it includes numeric functions such as MIN, MAX, COUNT, AVG, and SUM, providing a well-rounded foundation in SQL for effective database management and analysis.

Advanced SQL Concepts and Query Techniques

This Chapter covers key SQL topics including SQL operators, wildcard characters, aliases, IN and BETWEEN operators, and the UNION operator. It also explores various joins like INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL JOIN, and SELF JOIN, along with the GROUP BY statement, HAVING clause, EXISTS operator, and ANY and ALL operators. Additionally, it includes subqueries, SQL statements such as SELECT INTO and INSERT INTO, NULL functions, comments, and database and table management tasks like creation, dropping, and altering.

SQL and PL/SQL Constraints, Statements, Operators, Loops, Datatypes, Variables

This Chapter includes SQL constraints like NOT NULL, UNIQUE, PRIMARY KEY, and FOREIGN KEY, as well as CHECK and DEFAULT constraints. It covers SQL statements for creating indexes, auto-increment fields, and handling date data types. You’ll also explore SQL views and SQL injection prevention, hosting, operators, and data types. The PL/SQL portion includes basics and syntax, data types and variables, constants and literals, operators and conditions, loops, and handling strings and arrays. This comprehensive review provides essential knowledge for advanced SQL and PL/SQL development.

PL/SQL Procedures, Functions, and Advanced Topics

This Chapter features essential PL/SQL concepts. Topics include procedures, functions, and cursors, as well as records, exceptions, and triggers. You’ll also explore PL/SQL packages, collections, and transaction management. Additional focus areas include DBMS output and date and time data types. This section provides a thorough review of advanced PL/SQL functionalities and best practices.

Key Features

• Comprehensive Coverage: Addresses essential PL/SQL concepts such as procedures, functions, and cursors, along with advanced topics like packages, collections, and transactions.
• Detailed Questions: Focuses on practical applications of PL/SQL records, exceptions, and triggers, ensuring a deep understanding of key functionalities.
• Real-World Scenarios: Includes questions on DBMS output and date/time data types to reflect real-world use cases and best practices.
• Interactive Learning: Designed to enhance learning through multiple-choice questions that challenge and reinforce knowledge.