在使用clickhouse的时候报错了: Received exception from server (version 19.5.3): Code: 125. DB::Exception: Received from localhost:... DB::Exception: Scalar subquery returned more than one row. 我的...
在使用clickhouse的时候报错了: Received exception from server (version 19.5.3): Code: 125. DB::Exception: Received from localhost:... DB::Exception: Scalar subquery returned more than one row. 我的...
原文链接:mysql创建视图1349View’s SELECT contains a subquery in the FROM clause解决办法 之前用oracle数据库,创建视图并没有遇见什么问题,在mysql同样的sql却出现报错。 报错信息:1349 View’s SELECT ...
视图包含子查询错误。 出现该问题的原因:mysql数据库版本太低。此时查询一下数据库的版本:select version(); 解决方案: 升级mysql数据库
1. 应用情境 想把order_records表中的所有记录的doctor_id都改成doctor_name对应的医生id(在doctor表中)。 update order_records set doctor_id = (select id from doctor where doctor.doctor_name =order_...
NULL 博文链接:https://caohong286.iteye.com/blog/1504818
NULL 博文链接:https://caohong286.iteye.com/blog/1370976
Moonbeam和Moonriver宣布与SubQuery集成。作为波卡(Polkadot)中领先的数据索引解决方案提供商,SubQuery将对Moonbeam和Moonriver的以太坊虚拟机(EVM)测试版提供支持。这允许波卡(Polkadot)和以太坊的开发人员...
1、错误描述[SQL]SELECT queryStuName...[Err] 1242 - Subquery returns more than 1 row2、错误原因BEGIN DECLARE stuName VARCHAR(100); SET stuName = (SELECT stu_name FROM t_student_info WHERE stu_no =
我执行的sql如下:select * from db_name.table_name_1 where exists(select 1 from db_name.table_name_2 a where a.row_id = db_name.table_name_1.row_id )执行后报错信息为:Error while compiling statement: ...
1. Select- subquery子查询子查询:是将一条查询语句嵌套在另一条查询语句之中。2. 案例需求:查询获得代课天数最多的那个老师的信息。思路:先获得最多的代课天数是多少天,然后再判断哪个老师的代课天数和最大值是...
问题We're using JPA with hibernate as the provider,we have a query that contains a join with a subquery in the FROM clause, but we get the following error:org.hibernate.hql.ast.QuerySyntaxException: ...
(本例创建表脚本在文章底部) 对于mysql的出现的子查询语句,大部分都是不太好的,尤其 in() 的子查询语句,如下: select * from test.tabname where id in(select id from test.tabname2 where name='love');...
1.定义: The purpose of subquery unnesting is to inject semi- (IN, EXISTS), anti-join (NOT IN, NOT EXISTS),...
Subquery returns more than 1 row 表示子查询返回了多行数据 例如 select * from table1 where table1.colums=(select columns from table2) 解决办法 select * from table1 where table1.colums=any(select ...
NULL 博文链接:https://caohong286.iteye.com/blog/1577086
NULL 博文链接:https://caohong286.iteye.com/blog/1508023
cannot recognize input near in subquery 1、HQL子查询别名问题 备注:子查询需要加上别名 否则报错。 HQL的书写,select * from (select * from table) ; 执行此HQL,应该会报错:ql.Driver (SessionState....
通过这个字面意思都能明白,就是子查询的结果不止1条。比如:select userName,roleId,(case when orgID!='' then (SELECT name FROM organization WHERE orgID=orgID) END) as orgName, (CASE WHEN bid!...
Subquery returns more than 1 row 表示子查询返回了多行数据 例如: select * from user where username='xiaoqing' and (select U_id from user where username='xiaoqing')=(select student_id from student ...
mysql报错:SQLSTATE[21000]: Cardinality violation: 1242 Subquery returns more than 1 row 错误的意思是指子查询结果多于一行。报错如下: 解决方法: 以select * from table1 where table1.colums=(select ...
由于开始编译时候,一直是报编译错误,同时,显示错误是在Oracle中,查询if里面嵌套 in一直显示不允许子查询在里面。 原因:Oracle:IF...IN (SELECT ... FROM ...) 之子查询不被允许 上代码: ...
CriteriaBuilder criteriaBuilder = entityManager.getCriteriaBuilder(); CriteriaQuery criteriaQuery = criteriaBuilder.createQuery(Order.class); Root root = criteriaQuery.from(Order.class);...
http://blog.csdn.net/c517984604/article/details/7052186[Err] 1242 - Subquery returns more than 1 row --表示子查询返回了多行数据 例如: select * from table1 where table1.colums=(select columns from ...
SQL Correlated Subquery WHEN to use : 1.when asking negative data questions https://learnsql.com/blog/correlated-sql-subquery-5-minutes/ 2. ...
http://blog.163.com/li_hx/blog/static/183991413201642410122327/mysql> CREATE TABLE t1 (a INT, b INT); Query OK, 0 rows affected (0.22 sec) ... CREATE TABLE t2 (c INT, d INT);...Query OK,...
In its simplest form, a subquery is a scalar subquery that returns a single value. A scalar subquery is a simple operand, and you can use it almost anywhere a single column value or literal is legal, ...
如下查询是没问题,但要创建成视图就报View's SELECT contains a subquery in the FROM clause错误。CREATE or REPLACE VIEW `v_user_adunion_reg` ASselect a.name as user_name,b.* from t_users a,t_adunion_...