Subquery in SELECT statement returns wrong(?) data type 2650 Roman Ovseitsev September 19, 2014 11:57PM Re: Subquery in SELECT statement returns wrong(?) data type 955 Rick James September 20, 2014 11:24PM Sorry, you can't reply to this topic. It has been closed.Content reprodu...
Description: MySQL return wrong results for query with subquery in select part. How to repeat: Load dump into database and launch following statement: select USR.id, ( select COUNT(*) from projects P where P.user_id = USR.id and P.status <> 0 and P.deleted = 0 and DATE(P.date) ...
select_statement:必填。子查询语句。格式请参见SELECT语法。 sq_alias_name:可选。子查询的别名。 table_name:必填。目标表名称。 使用示例 示例1:子查询语法的命令示例如下。 set odps.sql.allow.fullscan=true; select * from (select shop_name from sale_detail) a; 返回结果如下: +---+ | shop_name...
A subquery is a query that is nested inside a SELECT, INSERT, UPDATE, or DELETE statement, or inside another subquery. A subquery can be used anywhere an expression is allowed. In this example a subquery is used as a column expression named MaxUnitPrice in a SELECT statement. ...
A subquery is a query that is nested inside a SELECT, INSERT, UPDATE, or DELETE statement, or inside another subquery. A subquery can be used anywhere an expression is allowed. In this example a subquery is used as a column expression named MaxUnitPrice in a SELECT statement. Copy USE ...
Scalar subqueries are not allowed in a GROUP clause or an ORDER clause ( table expression). Example Scalar subquery in the list of values to be inserted in an INSERT statement: INSERT INTO hotel.hotel VALUES((SELECT MAX(hno)+10 FROM hotel), 'Three Seasons', 90014, 'Los Angeles', '...
for each department, you need to find the employee number from the EMPLOYEE table that matches the manager number in the DEPARTMENT table and return the name for the row that matches. Only departments that currently have managers assigned are to be returned. Execute the following SQL statement:...
Any sub-query block in a query statement may be called a subquery; however, we use the term subquery for a sub-query block that appears in the WHERE, SELECT and HAVING clauses. Some Oracle documentation uses the term "nested subquery" for what we refer to as a subquery. A sub-query ...
You can write a subquery in an expression or in a Structured Query Language (SQL) statement in SQL view. In this article Use the results of a query as a field in another query Use a subquery as a criterion for a query field Common SQL keywords tha...
To query the courseId of Biology from the course_info table, and then query the student name matched the courseId from the student_info table, run the following statement: SELECTnameFROMstudent_infoWHEREcourseId=(SELECTcourseIdFROMcourse_infoWHEREcourseName='Biology'); ...