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Welcome to the first practical session in my Oracle DBA learning journey! In this tutorial, we'll set up our Oracle DBA lab ...

Oracle Database 26ai new feature | Empty String on NULL for JSON Generation Explained In this video, you will learn about ...

Put new data into a table. In this advanced-level lesson, "INSERT: Adding Rows", you type real queries, see the real results on ...

What actually happens inside an Oracle Database when you INSERT, UPDATE, DELETE, ROLLBACK or execute DDL? Oracle ...

Our channel covers a diverse range of topics including Oracle Database architecture, installation, database upgrades, ...

Design tables that protect your data. In this advanced-level lesson, "CREATE TABLE and Constraints", you type real queries, see ...

Spot repeated rows and clean them up. In this intermediate-level lesson, "Find and Remove Duplicates", you type real queries, ...

Read the message, find the cause, fix it. In this advanced-level lesson, "Common Errors and How to Fix Them", you type real ...

Oracle APEX Developers - Oracle Database Administrators (DBAs) - Oracle APEX Consultants - Enterprise application support ...

Save a query under a name. In this advanced-level lesson, "Views", you type real queries, see the real results on screen, and ...

All changes succeed, or none do. In this advanced-level lesson, "Transactions: COMMIT and ROLLBACK", you type real queries, ...

The classics, answered with queries. In this advanced-level lesson, "Interview Questions Part 1", you type real queries, see the ...

Think of SCN (System Change Number) like a ruler marking positions in Oracle's database history. As transactions, DML, and ...

Group dates into periods. In this intermediate-level lesson, "Reporting by Month and Quarter", you type real queries, see the real ...

The typical value, beyond the average. In this advanced-level lesson, "Median and Percentiles", you type real queries, see the ...

Build the answer one step at a time. In this advanced-level lesson, "Chaining CTEs", you type real queries, see the real results on ...

Name a query, then use it. In this advanced-level lesson, "CTEs: The WITH Clause", you type real queries, see the real results on ...

Pay, grades, tenure and structure. In this advanced-level lesson, "Case Study: HR Analytics", you type real queries, see the real ...

Stack the results of two queries. In this intermediate-level lesson, "UNION and UNION ALL", you type real queries, see the real ...