this post delves into the significance of SQL with the essential skills to harness its power for practical data analysis. In SQL, "SELECT" defines the columns to extract, while "FROM" specifies the ...

SELECT * FROM yt_Opportunities_Data WHERE New_Account_No IN (SELECT New_Account_No FROM yt_account_lookup WHERE Sector = 'Banking') -- Exm 2 - 1 condition from another table - FY20 SELECT * FROM ...

Understanding the project and how to use Oracle Database 21c. Understanding the basics of data analysis, SQL commands, and their application. Working on DML commands and listing employee details based ...

The ease and ubiquity of SQL have even led the creators of many “NoSQL” or non-relational data stores, such as Hadoop, to adopt subsets of SQL or come up with their own SQL-like query languages.

often limiting the types of data and questions an analyst could ask. Schemaless SQL alleviates these constraints, enabling the data to “speak for itself”, dynamically extracting hidden structure and ...