What you'll learn:
- Create tables in a database and ALTER columns in the table.
- Know what data type to use in various situations, and use functions to manipulate date, number and string data values.
- Retrieve data using SELECT, FROM, WHERE, GROUP BY, HAVING and ORDER BY.
- JOIN two or more tables together, finding missing data.
- INSERT new data, UPDATE and DELETE existing data, and export data into a new table.
- Create constraints, views and sequences, subqueries and CTEs
- Use UNION, CASE, MERGE and error checking
- Apply ranking and analytic functions, grouping
- Learn about transactions, indexes, users, privileges, roles and more
This course is the foundation for the Oracle Database SQL1Z0-071 certification. It covers the SELECTstatement in detail, with additional requirements for controlling user access. It is divided into 6 sessions, each of which should take a morning or afternoon to complete.
What do people like you say about this course?
Prashant says: "Course has been designed in way that a person with no knowledge of Oracle can understand it. Good learning and thanks a lot for making such nice course."
Shubho says:"Awesome course. The instructor explains the concepts very thorougly and in a easy-to-grasp way. Also, the practice exercises are super helpful. If you want to master Oracle SQL, this is the course for you."
Henry says:"I want to thank Phillip for this formidable course. This course along with other materials helped me to pass the 1Z0-071 Exam last Saturday."
We'll install for free Oracle Express Edition and Oracle SQLDeveloper. Then we'll take a look at the 6 principal clauses of the SELECTstatement:SELECT, FROM, WHERE, GROUP BY, HAVING and ORDER BY.
Then we'll start creating tables, but find that we can't get very far without understanding data types. We'll then look at string, date and number types and functions, together with looking at functions converting between them.
We'll revisit the SELECT statement and go into more detail. We'll create tables and JOIN them together. Once you have finished this session, you should be secure in your knowledge of the 6 principal clauses of the SELECT statement, the most important part of Oracle SQL.
In session 3, we'll looking for missing data, and find out how to delete and update data. We'll look at the difference between implicit and explicit transactions, and various constraints, including primary and foreign keys.
We'll start off by saving our queries in views. Then we'll combine tables, not by adding additional columns using JOINS, but adding additional rows such Oracle SQLset operators such as UNION, INTERSECT and MERGE. Then we'll look at analytical functions using the OVERclause.
Session 5 starts off by adding totals to our SELECT queries. We'll then look at subqueries, and how you can add them into the FROM, SELECT and WHEREclauses, and also into the WITH clause. Finally, we'll look at Oracle SQLself-joins, which are useful when you have hierarchies.
Session 6 starts off with two additional data types, TIMEZONE and INTERVAL data types and functions. We'll then have a look at SEQUENCEs and INDEXes, together with how these are shown in the Data Dictionary. We'll then create new users, and assign privileges and roles to them, and we'll finish with the last few requirements for the exam.
No prior knowledge is required - we'll even install Oracle Database and Oracle SQL Developer on your computer for free!
Once finished, you will know what how to manipulate numbers, strings and dates, and create database and tables, create tables, insert data and create analyses, and have an appreciation of how they can all be used in Oracle SQL.