You’ll learn how to define data types correctly when creating tables and how to apply different constraints to ensure data integrity and reliability.
We’ll cover:
✅ Common Oracle data types (NUMBER, VARCHAR2, DATE, CHAR, etc.)
✅ The purpose of each constraint (PRIMARY KEY, FOREIGN KEY, UNIQUE, CHECK, NOT NULL, DEFAULT)
✅ Practical examples using SQL Developer
✅ Best practices for designing stable and efficient database tables
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🔑 Keywords:
Oracle SQL tutorial, Oracle data types, Oracle constraints, SQL Developer tutorial, create table Oracle, primary key Oracle, foreign key Oracle, check constraint, SQL data integrity, Oracle database for beginners, learn Oracle SQL, SQL constraints examples, data type in Oracle, Oracle SQL full course, database management
