Select SALE_SEQUENCE_ABC.nextval into :NEW."ID" from dual Įnd You can use Oracle SQL Developer to create sequence and trigger more easily. )Since Oracle doesn’t support auto-increment attribute for a primary key, we need to create a sequence and a trigger so values for the ID column can be automatically generated.Run this statement to create a sequence: CREATE SEQUENCE "SALE_SEQUENCE" MINVALUE 1 MAXVALUE 100000 INCREMENT BY 1 START WITH 1 And execute the following Oracle SQL script to create a trigger: CREATE TRIGGER "SYSTEM"."SALE_PRIMARY_KEY_TRG" "ITEM" VARCHAR2(50 BYTE) NOT NULL ENABLE, You can run the following statement in SQL Developer tool to create this table: CREATE TABLE "SALES" ( Create Oracle DatabaseOur Spring Boot web application will manage data in a table with the following structure: Package and Run our Spring Boot Web Application 1. Code Spring Boot Application Main Classġ2. You will see how Spring Boot connects all these pieces together and greatly simplifies the coding process, and Spring JDBC is a good choice for simple need.By completing this tutorial, you will be able to develop a Spring Boot application that looks like this: This application allows the user to manage daily sales for grocery. Thymeleaf for the view layer instead of classic JSP, as Thymeleaf is more modern, simpler and easier to use than JSP and JSTL.Spring MVC for the controller layer, as the standard for a Spring web application.You will see how Spring simplifies programming with JDBC. We can use Spring JDBC for simple CRUD operations on a single table, instead of Hibernate.
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