Chứng chỉ MOS Excel 2019 - Exam MO-200 Microsoft Excel
TS. Dang Xuan Tho
5.0 (500)·6h 10m · 91 lectures
$3.00$12–$199up to −98%
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Top SQL Interview Q&A Revealed: Land Your SQL Job [2025]
Prepare for Real-World SQL Questions for Interview Success with Expert Answers and Practical Tip
5.03 reviews17 learners
- All Levels
- 1h 22m video
- 53 lectures
- English
- Updated 2025
Taught by Few Steps
- 1h 22m of on-demand video
- 53 lectures across 3 sections
- One-off payment — no subscription
- Lifetime access on web and mobile
- English audio
Curriculum
3 sections53 lectures1h 22m total
- What are the main categories of SQL statements1:16
- What is the purpose of the GROUP BY clause0:34
- What is the difference between WHERE and HAVING clauses2:32
- What is the difference between INNER and OUTER joins2:05
- What is the difference between DDL and DML statements1:04
- What is SQL0:50
- What is an index. How does indexing improve query performance0:40
- What is a view. What are its advantages.0:34
- What is a self-join. When would you use it.0:41
- What is a NULL value. How do you check for it.0:27
- What are SQL data types. Give examples0:48
- What are SQL constraints. Name some common constraints.0:42
- How do you sort results in SQL2:32
- How do you remove a column from a table0:23
- How do you limit the number of rows returned by a query0:25
- How do you handle duplicate rows in SQL0:28
- How do you filter rows in a SELECT statement3:14
- How do you combine rows from multiple tables0:43
- How do you add a new column to an existing table1:55
About this course
Master the art of SQL interviews and secure your dream job with this comprehensive course. Whether you're tackling basic, mid-level, or advanced SQL interview questions, we've got you covered. Dive deep into each question with detailed explanations, ensuring you understand not just the what, but the why behind each answer. This comprehensive SQL course covers a wide array of essential topics designed to enhance your database management skills. Key subjects include the use of temporary tables, query parameteriza…
Before you start
- Familiarity with SQL Server basics is recommended.
- Prior knowledge in SQL is essential for optimal learning.
- Keep a notebook and pen handy to jot down key points during the course.
Who it’s for
- SQL Developer/Software Engineer
- Data Engineer/Data Scientist/Data Analyst/Business Intelligence Analyst
- Database Administrator/Database Manager/Database Architect/Database DesignerDatabase Consultant
- Technical Support Analyst/Project Manager (with SQL expertise)
- Data Modeler/Database Tester/Quality Assurance Analyst
- Tech Enthusiasts
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