He know how to write the SQL queries, and also he has a deep understanding of relational algebra, which is the technology behind SQL. He has extensive experience with SQL, knows a lot, not only on how to use SQL, but also the theoretical parts like normalization and security. He is also a very good and understanding teacher, with great ways of explaining advanced topics in simple words. Totally recommend his SQL lessons.
Bob is an excellent tutor and helped me to understand important foundational concepts in Data Warehousing and SQL queries. Bob went above and beyond by locating and discussing additional reference material that helped illustrate key advanced SQL query examples such as SQL ROLLUP and CUBE. I will seek out Bob as my tutor for anything related to SQL and Data Warehousing.
I asked Vignetha a few times for SQL tutoring, and she is very flexible with time and knowledgeable with SQL. I am always satisfied with her sessions because she quickly understood my project and homework and answered my questions. Therefore, I was able to complete them successfully and gain my knowledge of SQL. If you are looking for a tutor for SQL, I highly recommend her.