摘要:
CREATE DATABASE tindex CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; USE tindex; EXPLAIN 执行结果说明 #select_type 查询类型 常见取值 SIMPLE 简单表不使用表连接或子查询 PRIMAR 阅读全文
摘要:
1、查锁select l.session_id sid, s.serial#, l.locked_mode, l.oracle_username, s.user#, l.os_user_name, s.machine, s.terminal, a.sql_text, a.action from v$ 阅读全文
摘要:
1.添加依赖 <dependency> <groupId>com.github.ulisesbocchio</groupId> <artifactId>jasypt-spring-boot</artifactId> <version>1.18</version> </dependency> 2.明文 阅读全文