一、Oracle数据库介绍
1、Oracle: 中文意思:神谕 是由美国Oracle公司开发的一个面向对象、关系型大型数据库。
版本:2.0 3.0 ..... 9i(Internet) 10g(g:网格) 11g 12C
2、Oracle数据库的特点
大型的、安全性高、费用高
3、Oracle数据库的基本操作(权限)
默认三个角色:Sys (超级) System(DBA:数据库管理员) scott(学习账号) tiger
所有的操作都必须有权限:System
Sql:
DDL: 数据定义语言(create drop alter)
DCL: 数据控制语言(Grant:授权 Revoke:收回 Deny:拒绝)
例如:授予某个用户的select权限:- Grant select on 表名 to 用户
- Grant select,update,delete on 表名 to 用户
- Revoke select on 表名 from 用户
复制代码 DML:数据操作语言:update delete insert
DQL: 数据查询语言: select
TCL: 事务控制语言: commit rollback
创建表空间
删除表空间
创建用户
授权:授权abc用户可以连接(connect)且操作资源(resouce)
二、SpringBoot整合oracle
导入依赖- <?xml version="1.0" encoding="UTF-8"?>
- <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
- xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
- <modelVersion>4.0.0</modelVersion>
- <groupId>com.example</groupId>
- <artifactId>oracle-test</artifactId>
- <version>0.0.1-SNAPSHOT</version>
- <name>oracle-test</name>
- <description>oracle-test</description>
- <properties>
- <java.version>17</java.version>
- <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
- <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
- <spring-boot.version>3.0.2</spring-boot.version>
- </properties>
- <dependencies>
- <dependency>
- <groupId>org.springframework.boot</groupId>
- <artifactId>spring-boot-starter-data-jpa</artifactId>
- </dependency>
- <dependency>
- <groupId>org.springframework.boot</groupId>
- <artifactId>spring-boot-starter-web</artifactId>
- </dependency>
- <!--解决中文乱码问题-->
- <dependency>
- <groupId>cn.easyproject</groupId>
- <artifactId>orai18n</artifactId>
- <version>12.1.0.2.0</version>
- </dependency>
- <dependency>
- <groupId>org.springframework.boot</groupId>
- <artifactId>spring-boot-devtools</artifactId>
- <scope>runtime</scope>
- <optional>true</optional>
- </dependency>
- <dependency>
- <groupId>com.oracle.database.jdbc</groupId>
- <artifactId>ojdbc8</artifactId>
- <scope>runtime</scope>
- </dependency>
- <dependency>
- <groupId>org.projectlombok</groupId>
- <artifactId>lombok</artifactId>
- <optional>true</optional>
- </dependency>
- <dependency>
- <groupId>org.springframework.boot</groupId>
- <artifactId>spring-boot-starter-test</artifactId>
- <scope>test</scope>
- </dependency>
- </dependencies>
- <dependencyManagement>
- <dependencies>
- <dependency>
- <groupId>org.springframework.boot</groupId>
- <artifactId>spring-boot-dependencies</artifactId>
- <version>${spring-boot.version}</version>
- <type>pom</type>
- <scope>import</scope>
- </dependency>
- </dependencies>
- </dependencyManagement>
- <build>
- <plugins>
- <plugin>
- <groupId>org.apache.maven.plugins</groupId>
- <artifactId>maven-compiler-plugin</artifactId>
- <version>3.8.1</version>
- <configuration>
- <source>17</source>
- <target>17</target>
- <encoding>UTF-8</encoding>
- </configuration>
- </plugin>
- <plugin>
- <groupId>org.springframework.boot</groupId>
- <artifactId>spring-boot-maven-plugin</artifactId>
- <version>${spring-boot.version}</version>
- <configuration>
- <mainClass>com.song.OracleTestApplication</mainClass>
- <skip>true</skip>
- </configuration>
- <executions>
- <execution>
- <id>repackage</id>
- <goals>
- <goal>repackage</goal>
- </goals>
- </execution>
- </executions>
- </plugin>
- </plugins>
- </build>
- </project>
复制代码 配置文件- spring:
- datasource:
- username: abc
- password: abc123
- driver-class-name: oracle.jdbc.driver.OracleDriver
- url: jdbc:oracle:thin:@localhost:1521:orcl
- jpa:
- show-sql: true
- hibernate:
- ddl-auto: update
- database: oracle
复制代码 实体类- package com.damo.pojo;
- import jakarta.persistence.*;
- import lombok.Data;
- /**
- * @author Damo
- * @date 2024/10/24 0018
- * @time 16:02
- */
- @Entity
- @Table(name = "t_book")
- @Data
- public class Book {
- @Id @GeneratedValue(strategy = GenerationType.SEQUENCE)
- private Integer id;
- private String title;
- private String author;
- private Integer price;
- }
复制代码 Dao- public interface BookDao extends JpaRepository<Book,Integer> {
- }
复制代码 测试- package com.damo;
- import com.damo.dao.BookDao;
- import com.damo.pojo.Book;
- import jakarta.annotation.Resource;
- import org.junit.jupiter.api.Test;
- import org.springframework.boot.test.context.SpringBootTest;
- @SpringBootTest
- class OracleTestApplicationTests {
- @Resource
- private BookDao bookService;
- @Test
- void contextLoads() {
- //新增
- Book book =new Book();
- book.setAuthor("zhangs");
- book.setPrice(100);
- book.setTitle("测试");
- this.bookService.save(book);
- }
- @Test
- public void list(){
- //查询列表
- this.bookService.findAll().forEach(System.out::println);
- }
- @Test
- public void delete(){
- //删除
- this.bookService.deleteById(1);
- }
- @Test
- public void update(){
- //修改
- Book book = this.bookService.findById(1).get();
- book.setTitle("xxx");
- book.setPrice(200);
- this.bookService.saveAndFlush(book);
- }
- }
复制代码 总结
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