Posts by mateusvl • 23 points
2 posts
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viewsQ: What is the conceptual difference between OLAP and OLTP?
Good afternoon, everybody, all right? What is the conceptual difference between OLTP and OLAP? Contextualizing: I am starting my studies in data analysis and I am with a doubt that I could not…
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viewsQ: How to duplicate a table by changing string values to decimal
Good afternoon, you guys. I am learning SQL and I set out to import a table . csv from the central bank to apply my knowledge. The table consists of four columns: date entered | name of the currency…