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Code sample - 23c BOOLEAN data type with JDBC + SQL (#310)
* Added sample code - 23c BOOLEAN data type with JDBC + SQL * Added header with Copyright 2024 * code sample adjustments * additional code sample adjustments * update to ucp11 per request by jean * 2 spaces indentation + close jdbc resources * try with resources + 2 spaces indentation for POM * fixed 2 spaces indentation issues --------- Co-authored-by: Jean de Lavarene <jean.de.lavarene@oracle.com>
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‎java/jdbc-boolean/pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.oracle.dev.jdbc</groupId>
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<artifactId>jdbc-boolean</artifactId>
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<version>1.0-SNAPSHOT</version>
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<name>jdbc-boolean</name>
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<description>jdbc-boolean</description>
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<url>
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https://medium.com/oracledevs/the-new-boolean-data-type-in-oracle-database-23c-with-the-oracle-jdbc-drivers-23c-21c-jdbc-f3252b200838</url>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<maven.compiler.source>21</maven.compiler.source>
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<maven.compiler.target>21</maven.compiler.target>
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</properties>
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<dependencies>
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<dependency>
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<groupId>com.oracle.database.jdbc</groupId>
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<artifactId>ojdbc11</artifactId>
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<version>23.4.0.24.05</version>
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</dependency>
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<dependency>
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<groupId>com.oracle.database.jdbc</groupId>
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<artifactId>ucp11</artifactId>
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<version>23.4.0.24.05</version>
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</dependency>
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<dependency>
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<groupId>org.slf4j</groupId>
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<artifactId>slf4j-api</artifactId>
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<version>2.0.7</version>
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</dependency>
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<dependency>
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<groupId>org.slf4j</groupId>
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<artifactId>slf4j-simple</artifactId>
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<version>2.0.7</version>
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</dependency>
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</dependencies>
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<build>
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<pluginManagement><!-- lock down plugins versions to avoid using Maven
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defaults (may be moved to parent pom) -->
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<plugins>
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<plugin>
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<artifactId>maven-clean-plugin</artifactId>
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<version>3.1.0</version>
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</plugin>
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<plugin>
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<artifactId>maven-site-plugin</artifactId>
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<version>3.7.1</version>
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</plugin>
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<plugin>
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<artifactId>maven-project-info-reports-plugin</artifactId>
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<version>3.0.0</version>
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</plugin>
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<!-- see
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http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_jar_packaging -->
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<plugin>
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<artifactId>maven-resources-plugin</artifactId>
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<version>3.0.2</version>
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</plugin>
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<plugin>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>3.8.0</version>
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</plugin>
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<plugin>
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<artifactId>maven-surefire-plugin</artifactId>
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<version>2.22.1</version>
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</plugin>
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<plugin>
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<artifactId>maven-jar-plugin</artifactId>
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<version>3.0.2</version>
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</plugin>
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<plugin>
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<artifactId>maven-install-plugin</artifactId>
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<version>2.5.2</version>
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</plugin>
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<plugin>
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<artifactId>maven-deploy-plugin</artifactId>
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<version>2.8.2</version>
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</plugin>
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</plugins>
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</pluginManagement>
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</build>
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</project>

‎java/jdbc-boolean/sql/hq_employee.sql‎

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CREATE TABLE HQ_EMPLOYEE
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(
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"EMP_ID" NUMBER NOT NULL ENABLE,
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"NAME" VARCHAR2(20 BYTE) DEFAULT NULL,
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"ROLE" VARCHAR2(20 BYTE) DEFAULT NULL,
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"ACTIVE" BOOLEAN DEFAULT NULL,
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PRIMARY KEY ("EMP_ID")
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);
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COMMIT;
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DESCRIBE HQ_EMPLOYEE;
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-- BOOLEAN = TRUE OR FALSE
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INSERT INTO HQ_EMPLOYEE (emp_id, name, role, active) VALUES (1, 'Juarez', 'Developer Evangelist', TRUE);
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INSERT INTO HQ_EMPLOYEE (emp_id, name, role, active) VALUES (2, 'David', 'DevOps Architect', FALSE);
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-- BOOLEAN = 1 OR 0
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INSERT INTO HQ_EMPLOYEE (emp_id, name, role, active) VALUES (3, 'Karl', 'Product Manager', 1);
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INSERT INTO HQ_EMPLOYEE (emp_id, name, role, active) VALUES (4, 'Patrick', 'Software Architect', 0);
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-- BOOLEAN = 'Y' OR 'N'
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INSERT INTO HQ_EMPLOYEE (emp_id, name, role, active) VALUES (5, 'Robert', 'Software Engineer', 'Y');
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INSERT INTO HQ_EMPLOYEE (emp_id, name, role, active) VALUES (6, 'James', 'Program Manager', 'N');
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COMMIT;

‎java/jdbc-boolean/src/main/java/com/oracle/dev/jdbc/QueryWithBooleanDataTypeColumn.java‎

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/*
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Copyright (c) 2024, Oracle and/or its affiliates.
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This software is dual-licensed to you under the Universal Permissive License
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(UPL) 1.0 as shown at https://oss.oracle.com/licenses/upl or Apache License
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2.0 as shown at http://www.apache.org/licenses/LICENSE-2.0. You may choose
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either license.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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https://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package com.oracle.dev.jdbc;
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import java.sql.Connection;
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import java.sql.PreparedStatement;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import oracle.jdbc.pool.OracleDataSource;
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public class QueryWithBooleanDataTypeColumn {
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public static void main(String[] args) throws SQLException {
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OracleDataSource ods = new OracleDataSource();
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// jdbc:oracle:thin@[hostname]:[port]/[DB service/name]
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ods.setURL("jdbc:oracle:thin:@localhost:1521/FREEPDB1");
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ods.setUser("[Username]");
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ods.setPassword("[Password]");
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try (Connection conn = ods.getConnection();
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// please check hq_employee.sql under the /sql directory
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PreparedStatement stmt = conn.prepareStatement("SELECT * FROM HQ_EMPLOYEE WHERE ACTIVE");
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ResultSet rslt = stmt.executeQuery();) {
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StringBuilder sb = new StringBuilder();
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while (rslt.next()) {
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sb.append(rslt.getInt(1)).append("|").append(rslt.getString(2)).append("|").append(rslt.getString(3))
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.append("|").append(rslt.getBoolean(4)).append("\n");
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}
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System.out.println(sb.toString());
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} catch (SQLException e) {
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e.printStackTrace();
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}
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}
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}

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