DROP TABLE IF EXISTS `people`;
CREATE TABLE `people`  (
  `id` int NOT NULL COMMENT '主鍵',
  `name` varchar(45) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL COMMENT '姓名',
  `sex` tinyint NOT NULL COMMENT '性別',
  `age` int NOT NULL COMMENT '年齡',
  `phone` varchar(45) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL COMMENT '聯(lián)系方式',
  PRIMARY KEY (`id`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8mb4 COLLATE = utf8mb4_0900_ai_ci ROW_FORMAT = Dynamic;

insert into people values(1,'測試人員',18,1,'13812345678');
insert into people values(2,'測測人員',19,0,'13812345679');
insert into people values(3,'人員測試',20,1,'13812345680');
insert into people values(4,'測試人員1',21,0,'13812345681');
insert into people values(5,'員人試測',22,1,'13812345682');

-- 1、模糊查詢（單個(gè)條件）
select * from people where name like '%測%';

-- 2、模糊查詢（多個(gè)條件）
select * from people where name like '%測%' and name like '%人%';

select * from people where name like '%測%' or name like '%人%';

-- 3、模糊查詢（順序執(zhí)行）
select * from people where name like '%測%人%';

select * from people where name like '%人%測%';

-- 4、_： 表示任意單個(gè)字符。匹配單個(gè)任意字符，它常用來限制表達(dá)式的字符長度語句
select * from people where name like '測試人員_';

select * from people where name like '__人員';

-- 5、[ ]：表示括號(hào)內(nèi)所列字符中的一個(gè)（類似正則表達(dá)式）。指定一個(gè)字符、字符串或范圍，要求所匹配對(duì)象為它們中的任一個(gè)。
select * from people where name rlike '[試]人員';

-- 6、[^ ] ：表示不在括號(hào)所列之內(nèi)的單個(gè)字符。其取值和 [] 相同，但它要求所匹配對(duì)象為指定字符以外的任一個(gè)字符 ^ 非。
select * from people where name rlike '[^試]人員';

-- 7、^：以xx開頭的記錄
select * from people where name rlike '^測';

-- 8、$：以xx結(jié)尾的記錄
select * from people where name rlike '員$';

-- 9、.：任意單個(gè)的
select * from people where name rlike '.人員';