How to resolve SQLServerException: Invalid object name?

I am creating a spring boot application using MS SQL server. I have a requirement where I need to initialize USERS table in user_database database using data.sql file placed in /src/main/resources/ folder and rest of the tables should be created automatically in springboot_db database with the help of @Table annotation. Below is the code snippet.

applicaiton.properties file

spring.datasource.platform=mssql
spring.datasource.url=jdbc:sqlserver://localhost;databaseName=springboot_db
spring.datasource.username=sa
spring.datasource.password=einfochips@123
spring.datasource.driver-class-name=com.microsoft.sqlserver.jdbc.SQLServerDriver
spring.jpa.show-sql=true
spring.jpa.hibernate.ddl-auto=create-drop
spring.datasource.initialize=true

data.sql

USE master
IF EXISTS(select name from sys.databases where name='user_database')
DROP DATABASE user_database;
CREATE DATABASE user_database;
USE user_database;
CREATE TABLE tbl_users (
  id INTEGER NOT NULL IDENTITY(1,1),
  name VARCHAR(25),
  email  VARCHAR(50),
  username VARCHAR(25),
  password VARCHAR(225),
  gender VARCHAR(1),
  contact_number VARCHAR(12),
  address VARCHAR(150),
  country VARCHAR(20),
  newsletter BIT,
  framework VARCHAR(500),
  skill VARCHAR(500),
  role_id INTEGER,
  PRIMARY KEY (id)
);
INSERT INTO tbl_users 
(name, email, username, password, gender, contact_number, address, country, newsletter, framework, skill, role_id) 
VALUES 
('Admin User1', 'admin@gmail.com', 'admin', '$2a$10$WOf9uuaNfUgqpfXrfK1QiO.scUjxJMA.wENEu4c8GJMbPhFwbxMwu', 'f', 919979294062, 'Ahmedabad', 'India', 0, 'Spring MVC', 'Spring', 1);

AppConfiguration.java (One of the entity file)

@Entity
@Table(name = "tbl_configuration_details")
public class AppConfiguration implements Serializable {

    /**
     * 
     */
    private static final long serialVersionUID = 6657691404940352980L;

    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    @Column(name = "config_id")
    private Integer id;

    @Column(name = "schedule_time")
    private Integer scheduleTimePeriod;
// other variables and respective getter setters
}

If I am running my application keeping both the approaches separately than its working fine. When I merge both into a single application, it is showing following error.

Caused by: com.microsoft.sqlserver.jdbc.SQLServerException: Invalid object name 'tbl_configuration_details'.
    at com.microsoft.sqlserver.jdbc.SQLServerException.makeFromDatabaseError(SQLServerException.java:232) ~[mssql-jdbc-6.1.0.jre7.jar:na]
    at com.microsoft.sqlserver.jdbc.SQLServerStatement.getNextResult(SQLServerStatement.java:1672) ~[mssql-jdbc-6.1.0.jre7.jar:na]
    at com.microsoft.sqlserver.jdbc.SQLServerPreparedStatement.doExecutePreparedStatement(SQLServerPreparedStatement.java:460) ~[mssql-jdbc-6.1.0.jre7.jar:na]
    at com.microsoft.sqlserver.jdbc.SQLServerPreparedStatement$PrepStmtExecCmd.doExecute(SQLServerPreparedStatement.java:405) ~[mssql-jdbc-6.1.0.jre7.jar:na]
    at com.microsoft.sqlserver.jdbc.TDSCommand.execute(IOBuffer.java:7535) ~[mssql-jdbc-6.1.0.jre7.jar:na]
    at com.microsoft.sqlserver.jdbc.SQLServerConnection.executeCommand(SQLServerConnection.java:2438) ~[mssql-jdbc-6.1.0.jre7.jar:na]
    at com.microsoft.sqlserver.jdbc.SQLServerStatement.executeCommand(SQLServerStatement.java:208) ~[mssql-jdbc-6.1.0.jre7.jar:na]
    at com.microsoft.sqlserver.jdbc.SQLServerStatement.executeStatement(SQLServerStatement.java:183) ~[mssql-jdbc-6.1.0.jre7.jar:na]
    at com.microsoft.sqlserver.jdbc.SQLServerPreparedStatement.executeQuery(SQLServerPreparedStatement.java:317) ~[mssql-jdbc-6.1.0.jre7.jar:na]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_144]
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[na:1.8.0_144]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[na:1.8.0_144]
    at java.lang.reflect.Method.invoke(Unknown Source) ~[na:1.8.0_144]
    at org.apache.tomcat.jdbc.pool.StatementFacade$StatementProxy.invoke(StatementFacade.java:114) ~[tomcat-jdbc-8.5.23.jar:na]
    at com.sun.proxy.$Proxy92.executeQuery(Unknown Source) ~[na:na]
    at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
    ... 94 common frames omitted

Answer

Using the same database for both the tables resolves my issue. However, I am still confused as to why I am not allowed to use two different databases?

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Answer