6 docs tagged with "analytics"

Oracle GROUP BY & HAVING | Summarizing Grouped Data

Learn how to use GROUP BY and HAVING in Oracle SQL. Master categorical reporting and filtering aggregated results like a professional. Complete.

Oracle PIVOT & UNPIVOT | Transposing Data

Master advanced data transformation in Oracle. Learn how to convert rows to columns with PIVOT and rotate columns to rows with UNPIVOT. Complete.

Oracle ROLLUP, CUBE, & GROUPING SETS | Advanced Aggregation

Oracle advanced grouping — ROLLUP, CUBE, and GROUPING SETS with syntax and examples. Multi-dimensional aggregation for BCA Oracle SQL exam topics.

SQL Aggregate Functions | SUM, AVG, COUNT, MIN, MAX

Learn how to use SQL aggregate functions to perform calculations on sets of values. In-depth guide to SUM, AVG, COUNT, MIN, and MAX. Complete.

SQL GROUP BY Clause | Categorizing Results

Learn how to use the SQL GROUP BY clause to arrange identical data into groups. Often used with aggregate functions for reporting. Complete practical.

SQL HAVING Clause | Filtering Grouped Data

Master the SQL HAVING clause. Learn why WHERE cannot be used with aggregates and how to filter your GROUP BY results effectively. Free student exam study guide.