{"product_id":"motion-stream","title":"Motion Stream","description":"\u003cp\u003e\u003cspan\u003e\u003cb\u003e1. Problem Statement\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStruggling to see how data moves from a table to the final SQL result? You’re not alone: after learning SELECT, FROM, WHERE, and ORDER BY, many learners need a clearer way to understand grouping, table joins, and the middle logic of a query. Many learners can read a simple example but feel unsure when several tables or summary values appear. Because of this, a query may seem longer and more confusing than its actual purpose. Motion Stream was created to show SQL as a sequence of data changes through conditions, relationships, and calculations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003e2. Solution\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis course will teach you SQL programming through the idea of flow: from the starting table to a filtered, grouped, or joined result. You will explore how GROUP BY works, why aggregate functions are used, and how tables connect through shared fields. The materials explain each topic through examples that show what changes after each part of a query. You will learn not only to recognize syntax, but also to understand the logic of moving from raw rows to a summary table. Motion Stream is a good fit for learners ready for the next step after basic SQL query structure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003e3. What's Inside\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eModule 1: Data Flow View\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e — an explanation of how to read an SQL query as a sequence of actions on data: choosing a table, filtering rows, selecting columns, sorting, and preparing the result.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eModule 2: Aggregate Functions\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e — an introduction to COUNT, SUM, AVG, MIN, and MAX in study examples; learners see how calculations describe a set of rows.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eModule 3: GROUP BY Logic\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e — a breakdown of data grouping, creating summaries by category, reading grouped results, and common mistakes when selecting columns.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eModule 4: HAVING in Context\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e — an explanation of the difference between WHERE and HAVING, filtering before and after grouping, and examples of conditions for summary values.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eModule 5: First Join Patterns\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e — an introduction to table joins: shared fields, record matching, basic INNER JOIN logic, and reading results from several sources.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eModule 6: Join Result Reading\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e — learning exercises for understanding why joins may create new columns, repeated values, or a larger number of rows.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eModule 7: Stream Practice Tasks\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e — practice tasks where learners filter data, group records, apply aggregate functions, and read the result step by step.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eModule 8: Query Flow Checklist\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e — a short self-review checklist: which table starts the query, where the condition is applied, what is grouped, what is calculated, and how the result is formed.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003e4. Who is this for?\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e✅ A good fit if you:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003ealready know SELECT, FROM, WHERE, and ORDER BY;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ewant to understand grouping and summary values;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eare beginning to work with several tables;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ewant to read longer SQL queries more clearly;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eare looking for exercises that show how data changes after each step.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e❌ Not for you if you:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003edo not yet understand basic SQL query structure;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eare looking only for a short introduction without grouping or joins;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ealready work comfortably with multi-layer subqueries and complex analytical structures;\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eexpect topics outside SQL programming.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003e5. What You'll Learn\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eHow to read an SQL query as a sequence of data changes.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHow to use aggregate functions in study examples.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHow COUNT, SUM, AVG, MIN, and MAX work.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHow to group data with GROUP BY.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHow to tell WHERE and HAVING apart.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHow to filter regular rows and summary groups.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHow basic INNER JOIN logic works.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHow to read output after joining tables.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHow to notice repeated values and row count changes.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHow to build simple summary queries.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHow to check whether the result matches the learning task.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003e6. 30-day refund policy\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Motion Stream plan includes a 30-day refund policy according to the Rowlyx store terms. If the materials do not match your expectations or you need to clarify the return rules, you may contact the support team within 30 days after purchase. The request will be reviewed according to the store policy and order terms.\u003c\/span\u003e\u003c\/p\u003e","brand":"Rowlyx","offers":[{"title":"Default Title","offer_id":56936946630980,"sku":null,"price":150.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/4874\/6564\/files\/Motion.jpg?v=1783506072","url":"https:\/\/rowlyx.org\/products\/motion-stream","provider":"Rowlyx","version":"1.0","type":"link"}