问尝试使用通配符对sql执行replace函数ENREPLACE 在字符串中搜索子字符串并替换所有匹配项。匹配区分大小写。如果找到匹配项，它将用 newsubstring 替换 oldsubstring 的每个实例。替换子串可能比它替换的子串长或短。如果找不到子字符串，则 REPLACE 将原样返回原字符串。
使用场景2 – (update语句): 需求:把"hero_title"字段中所有的"A"去掉,SQL如下: UPDATELOLSET hero_title=REPLACE(hero_title,‘A’,’’); 代码语言:javascript 代码运行次数:0 运行 AI代码解释 mysql>UPDATE`LOL`SEThero_title=REPLACE(hero_title,'A','');QueryOK,2rowsaffected(0.05sec)Rows matched:...
+---+---+---+ 3 rows in set UPDATE语句的确按照预期更新了数据。 之后,使用REPLACE声明将洛杉矶市的人口更新为3696820。 REPLACE INTO cities(id,population) VALUES(2,3696820); Query OK, 2 rows affected 上面执行返回结果中提示:2 rows affected,说明有两行数据受影响。 最后,再次查询城市表的数据来验...
Final Thoughts on How to Perform a Search and Replace in SQL In this blog, we learned how to update a string in a table column using a four step process. By building up the query as a series of SELECT statements, we can minimize the risk of inadvertently changing data that we did not...
2. Query OK, 1 row affected (0.04 sec) 3. 4. mysql> REPLACE INTO test VALUES (1, 'New', '2014-08-20 8:47:42'); 5. Query OK, 2 rows affected (0.04 sec) 6. 7. mysql> SELECT * FROM test; 8. +---+---+---+ 9. | id | data | ts | 10....
OceanBase(root@test)>select*fromtest_replace;+---+---+---+|c1|c2|c3|+---+---+---+|1|2|3||4|7|8||5|8|9|+---+---+---+3rowsinset(0.03sec)OceanBase(root@test)>replaceintotest_replace(c1,c3)values(4,9);Query OK,3rowsaffected(0.04sec)OceanBase(root@test)>select*fromte...
obclient>REPLACEINTOtestVALUES(3,'hello alibaba'),(2,'hello oceanbase');QueryOK,3rows affectedRecords:2Duplicates:1Warnings:0 查看test表中的行一、行二和行三的内容。 obclient>SELECT*FROMtest;+---+---+|c1|c2|+---+---+|1|hello alibaba||2|hello oceanbase||3|hello alibaba|+---+--...
---TRANSACTION 1873, ACTIVE 3 sec insertingmysql tables in use 1, locked 1LOCK WAIT 3 lock struct(s), heap size 1136, 2 row lock(s), undo log entries 1MySQL thread id 1155, OS thread handle 139646312843008, query id 117 localhost msandbox updatereplace into ix(a,b) values(8,10)-...
1 row in set (0.00 sec) mysql> (2)replace mysql> replace intot(id, num)values(1,101); Query OK, 2 rows affected (0.01 sec) mysql> select * from t; +---+---+ | id | num | +---+---+ | 1 | 101 | +---+---...
Replace query string with actual month date SQLArthur 1 Reputation point Aug 12, 2021, 12:06 AM Select us.CYCLE_CODE, us.CYCLE_RUN_MONTH, us.CYCLE_RUN_YEAR, us.BILL_SEQ_NO, us.BAN, us.Price_plan_code, soc.SOC_DESCRIPTION, us.Product_Type, us.at_charge_amt, at_call_dur_r...