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学生对 EDUCBA 提供的 Mastering Oracle SQL Functions with SQL Developer 的评价和反馈

4.5
12 个评分

课程概述

By the end of this course, learners will be able to apply advanced SQL operators, design efficient queries using views and indexes, and implement analytic and conditional functions to solve real-world business problems. Participants will learn how to restructure and aggregate data with CUBE, ROLLUP, and GROUPING SETS, as well as handle NULL values using NVL, NVL2, and COALESCE. This course goes beyond theory by offering case-study-driven practice in Oracle SQL Developer, ensuring learners gain hands-on experience with query optimization and advanced reporting. Learners will not only understand how to write SQL code but also evaluate performance impacts, analyze multidimensional data, and design logic-driven queries for decision-making. What makes this course unique is its practical approach, combining foundational SQL structures with advanced business-ready techniques such as DECODE, CASE, and ranking functions like ROW_NUMBER, RANK, and DENSE_RANK. By completing this course, learners will confidently create optimized, flexible, and insightful SQL queries that are essential for careers in data analytics, business intelligence, and database management....

热门审阅

XX

Dec 8, 2025

The course covers both basic and intermediate functions, making it useful for learners who want to strengthen their SQL skills.

LS

Jan 19, 2026

Many reviews emphasize that writing queries repeatedly with challenges helped them understand functions and joins deeper.

筛选依据:

1 - Mastering Oracle SQL Functions with SQL Developer 的 12 个评论(共 12 个)

创建者 felishameade

Jan 4, 2026

Loved how it starts with foundational operators and then moves into really useful functions and reporting logic. By the time we hit CUBE, ROLLUP, GROUPING SETS, and ranking functions, everything felt connected to practical tasks.

创建者 floridamead

Dec 2, 2025

The course covers many commonly used functions that professionals rely on daily, making it very useful for career growth in data analysis or database development.

创建者 Maya P

Nov 27, 2025

The pacing is beginner-friendly but still engaging enough for intermediate users who want to sharpen their query-writing skills.

创建者 Liam S

Jan 19, 2026

Many reviews emphasize that writing queries repeatedly with challenges helped them understand functions and joins deeper.

创建者 Shreya G

Jan 6, 2026

People often highlight that the video lessons are paired with meaningful exercises rather than just passive watching.

创建者 Chandrika N

Dec 30, 2025

Overall, it’s a well-rounded course for enhancing practical Oracle SQL function knowledge using SQL Developer.

创建者 Vikram S

Jan 13, 2026

It helps improve query efficiency and encourages writing cleaner, more readable SQL.

创建者 artiemeeks

Jan 9, 2026

Useful if you want to level up your SQL for reporting and data transformation. It gave me confidence, though I still need more practice on complex joins with functions.

创建者 loviemichaels

Dec 16, 2025

Excellent Oracle SQL course covering advanced functions with clear explanations, practical SQL Developer examples, and real-world query scenarios.

创建者 xiomarameredith

Dec 9, 2025

The course covers both basic and intermediate functions, making it useful for learners who want to strengthen their SQL skills.

创建者 Parth M

Jan 16, 2026

Commonly used single-row and group functions are covered with useful examples.

创建者 kyle m

Dec 23, 2025

It explains built-in SQL functions such as string, numeric, date, and conversion functions in a clear and practical way.