Discussions
Categories
- 197.1K All Categories
- 2.5K Data
- 546 Big Data Appliance
- 1.9K Data Science
- 450.7K Databases
- 221.9K General Database Discussions
- 3.8K Java and JavaScript in the Database
- 31 Multilingual Engine
- 552 MySQL Community Space
- 479 NoSQL Database
- 7.9K Oracle Database Express Edition (XE)
- 3.1K ORDS, SODA & JSON in the Database
- 555 SQLcl
- 4K SQL Developer Data Modeler
- 187.2K SQL & PL/SQL
- 21.3K SQL Developer
- 296.3K Development
- 17 Developer Projects
- 139 Programming Languages
- 293K Development Tools
- 110 DevOps
- 3.1K QA/Testing
- 646.1K Java
- 28 Java Learning Subscription
- 37K Database Connectivity
- 158 Java Community Process
- 105 Java 25
- 22.1K Java APIs
- 138.2K Java Development Tools
- 165.3K Java EE (Java Enterprise Edition)
- 19 Java Essentials
- 162 Java 8 Questions
- 86K Java Programming
- 81 Java Puzzle Ball
- 65.1K New To Java
- 1.7K Training / Learning / Certification
- 13.8K Java HotSpot Virtual Machine
- 94.3K Java SE
- 13.8K Java Security
- 204 Java User Groups
- 24 JavaScript - Nashorn
- Programs
- 466 LiveLabs
- 39 Workshops
- 10.2K Software
- 6.7K Berkeley DB Family
- 3.5K JHeadstart
- 5.7K Other Languages
- 2.3K Chinese
- 175 Deutsche Oracle Community
- 1.1K Español
- 1.9K Japanese
- 233 Portuguese
Compatible data type add FK

Hi
I'm trying to create the tables below, and it's time to create the FK, I'm getting a error below. I didn't get what may be wrong and why it's not compatible data type.
CREATE TABLE t_agendamento_exames (
cd_agendamento NUMBER GENERATED BY DEFAULT AS IDENTITY,
t_consulta_cd_consulta VARCHAR2(30) NOT NULL,
t_exames_cd_exame VARCHAR2(30) NOT NULL,
ds_exame VARCHAR2(250),
obs_exames VARCHAR2(250)
);
ALTER TABLE t_agendamento_exames ADD CONSTRAINT t_agendamento_exames_pk PRIMARY KEY ( cd_agendamento );
CREATE TABLE t_consulta (
cd_consulta NUMBER GENERATED BY DEFAULT AS IDENTITY,
t_medico_cd_medico VARCHAR2(30) NOT NULL,
t_paciente_cd_paciente VARCHAR2(30) NOT NULL,
hr_inicio TIMESTAMP WITH TIME ZONE NOT NULL,
hr_termino TIMESTAMP WITH TIME ZONE NOT NULL,
dt_hr_consulta DATE NOT NULL,
nr_consultorio VARCHAR2(30),
ob_observação_consulta VARCHAR2(300)
);
ALTER TABLE t_consulta ADD CONSTRAINT t_consulta_pk PRIMARY KEY ( cd_consulta );
ALTER TABLE t_agendamento_exames
ADD CONSTRAINT t_agend_ex_t_cons_fk FOREIGN KEY ( t_consulta_cd_consulta )
REFERENCES t_consulta ( cd_consulta );
Answers
-
I just noticed FK was Varchar2 type.
-
Please flag your post as "andwered".
Also, it would be nice if you highlight your code as code.