[SQL 자동화] 실무에서 바로 쓰는 PL/SQL

A DBA instructor with 30 years of experience teaches you 45 core SQL tuning techniques that can be immediately applied in practice through real-world examples. Learn practical know-how to make slow queries 10 times faster, from execution plan analysis to index optimization and join tuning!

There are common patterns in the questions frequently asked on the Big Data Analytics Engineer practical exam. And there are also a few lines of code that you must memorize before going to the test center. If passing the exam is your goal, please make sure to take this course.

Author's direct lecture for the SQL200제 book published by Jeongbomunhwasa! So far, numerous data analysts have gained wings in their data retrieval skills with Instructor Yooyeonsu's SQL lectures.

This course provides developers/operators using Oracle with PL/SQL concepts and practical skills that can be immediately applied in the field.

You will be able to extract the data you want directly without the help of a developer. We will provide everything you need for analysis, from simple queries to joins. Start learning SQL with a direct lecture from the author of the book <Planner's SQL>.

'Complete Mastery of Practical SQL in 49 Sessions I - Basic Course' contains essential content that you must know for SQL. By learning using a practical database, you can apply it right away in the field, and it is structured so that you can fully learn the learning content through theoretical explanations, practice, and solving a total of 200 application problems. For intuitive understanding, practice is conducted using a database written in Korean.

I learned it the hard way, so you can learn it the easy way I've discarded unnecessary theory and included only the SQL essentials. Quickly build your SQL confidence.

From Java basics to advanced concepts, and Oracle SQL too, Backend web development series with hands-on practice, taught by star instructor Young Cody Kim who explains clearly for non-majors and coding beginners

This course is a master class that systematically covers the fundamental principles and practical applications of MongoDB. Starting with core MongoDB concepts, you will systematically learn essential topics for practical work, such as database design, CRUD operations, indexing, aggregation pipelines, performance optimization, transactions, and security. It explains topics step-by-step so even beginners can understand, and you can deeply learn the working principles of MongoDB through exercises and examples. This is the best introductory and practical course for developers who want to build strong MongoDB skills for practical work.

This course teaches MS-SQL through baseball/company databases.

Make the most of relational database systems!

By implementing various practical data analysis cases using SQL, you can simultaneously improve your data analysis and SQL utilization skills.

A current database expert from a major global company generously shares 20 years of corporate practice and teaching experience!

From understanding SQL to using actual functions, Complete preparation for SQLD certification with the latest past exam questions!