Name: Oracle Database SQL 1Z0-071 Practice Tests
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Rating: 5.0 (1 reviews)

Oracle Database SQL 1Z0‑071 Practice Tests – Chavi Verma
Updated July 2026

If you are searching for a free Oracle SQL course, a Udemy course that prepares you for the 1Z0‑071 certification, or a way to learn Oracle Database SQL online, this practice‑test collection delivers exactly that. Chavi Verma’s “Oracle Database SQL 1Z0‑071 Practice Tests” focuses on exam‑style multiple‑choice questions, detailed explanations, and realistic database scenarios. The course equips beginners and seasoned developers with the concrete skills needed to pass the Oracle SQL exam and earn an industry‑recognized certification.

What You'll Learn

Build Oracle SQL queries that filter, sort, and handle NULL values using SELECT statements.
Master SQL functions—including character, numeric, date, and conversion functions—to transform data efficiently.
Learn how to join tables with inner, outer, and self‑joins, and apply GROUP BY and HAVING clauses.
Understand subqueries, correlated subqueries, and set operators such as UNION, INTERSECT, and MINUS.
Create DML statements (INSERT, UPDATE, DELETE, MERGE) and DDL commands (CREATE TABLE, ALTER TABLE) for data manipulation.
Apply transaction control, constraints, views, indexes, and sequences to maintain database integrity.
Analyze exam‑focused multiple‑choice questions, identify common traps, and improve answer accuracy.
Implement a structured study plan that targets weaker topics and maximizes exam readiness.

Course Details

Instructor: Chavi Verma
Rating: 5.0 stars (1307 reviews)
Enrolled students: 1,307
Level: Beginner to Intermediate
Language: English (en‑US)
Certificate: Yes, upon completion
Includes: Lifetime access, mobile‑friendly video playback, downloadable practice questions

What This Course Covers

SQL Fundamentals

SELECT statement syntax, column aliases, and expression evaluation.
Filtering techniques using WHERE, logical operators, and NULL handling.
Sorting results with ORDER BY and controlling output with DISTINCT.
Real‑world scenario: retrieving employee records based on department and salary ranges.

SQL Functions

Character functions: CONCAT, SUBSTR, INSTR, and UPPER/LOWER.
Numeric functions: ROUND, TRUNC, MOD, and TO_NUMBER conversions.
Date functions: SYSDATE, ADD_MONTHS, EXTRACT, and TO_DATE formatting.
Practical use: calculating age, formatting phone numbers, and generating report timestamps.

Joins & Aggregation

Inner joins, left/right outer joins, and full outer joins across multiple tables.
GROUP BY aggregation with SUM, AVG, COUNT, MIN, and MAX.
HAVING clause to filter grouped results based on aggregate conditions.
Example: summarizing sales totals per region while excluding zero‑revenue entries.

Subqueries & Set Operators

Nested subqueries in SELECT, FROM, and WHERE clauses.
Correlated subqueries that reference outer query columns.
Set operators: UNION, UNION ALL, INTERSECT, and MINUS to combine result sets.
Scenario: extracting customers who purchased every product category using NOT EXISTS.

Data Manipulation & Definition

DML commands: INSERT single rows, bulk INSERT with SELECT, UPDATE with CASE, DELETE with conditions.
MERGE statement for upsert operations based on matching keys.
DDL commands: CREATE TABLE with constraints, ALTER TABLE to add columns or modify data types.
Database objects: creating views, indexes, sequences, and managing constraints for data integrity.

Exam‑Focused Practice Strategies

Multiple‑choice questions aligned with each 1Z0‑071 exam objective.
Detailed answer explanations that reveal reasoning behind correct choices.
Common‑trap analysis to avoid typical pitfalls during the certification exam.
Structured revision tips for tracking progress and prioritizing weak areas.

Who Should Take This Course

Students preparing for the Oracle Database SQL 1Z0‑071 certification exam.
Beginners who want a solid foundation in Oracle SQL before tackling advanced topics.
SQL developers seeking to validate their skills with a recognized certification.
IT professionals such as database support engineers or system analysts aiming to enhance their résumé.
College graduates targeting entry‑level database or data‑analysis positions that require Oracle SQL competence.

Prerequisites

No prior experience needed — this course is beginner‑friendly and explains core concepts from the ground up.
Basic familiarity with relational databases or any SQL dialect is helpful but not mandatory.
Recommended: access to an Oracle Database environment (free Oracle Express Edition works well for practice).

Why Enroll in This Course

Enrolling gives you immediate access to a curated set of exam‑style questions that mirror the actual 1Z0‑071 objectives. A free coupon provides 100 % off for a limited time, making the certification preparation truly cost‑free while the content remains high‑quality. The self‑paced format lets you study whenever you choose, and the detailed explanations turn each mistake into a learning opportunity. Compared with generic SQL tutorials, this course focuses exclusively on Oracle’s certification requirements, ensuring efficient and targeted study.

Course Highlights

Lifetime access to all practice tests and explanations, allowing unlimited review.
Mobile‑friendly videos let you study on smartphones or tablets during commutes.
Certificate of completion that you can add to LinkedIn or your résumé.
Exam‑aligned questions covering every objective of the 1Z0‑071 exam.
Detailed answer keys that break down reasoning, syntax, and common errors.
Structured revision workflow to identify weak topics and allocate study time effectively.
No time‑limit on course availability, so you can revisit material even after passing