How to Create a Table, Sequence, Trigger, and Insert Data in Oracle Database
In this Oracle Database tutorial, you will learn how to create a table, generate auto-increment IDs using a sequence and trigger, and insert data into a table step by step.
This tutorial is perfect for beginners who want to understand the fundamentals of Oracle Database development and learn how auto-increment functionality works in Oracle using sequences and triggers.
Topics Covered
✅ Create a table in Oracle Database
✅ View tables in the current schema
✅ Create a sequence
✅ Create a trigger for auto-increment IDs
✅ Insert records into a table
✅ Query and display data using SELECT statements
SQL Objects Used
Table
Sequence
Trigger
Primary Key
INSERT Statement
SELECT Statement
Sample Scenario
We will create an EMPLOYEE table and automatically generate employee IDs using a sequence and trigger before inserting data into the database.
Software Used
Oracle Database 12c
TOAD for Oracle / Oracle SQL Developer
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