SELECTm1.match_no,m1.play_stage,m1.goal_score,m1.audenceFROMmatch_mast m1JOIN(SELECTMAX(audence)ASmax_audenceFROMmatch_mast)m2ONm1.audence=m2.max_audence; Explanation: This query uses a subquery to find the maximum audience and then performs a join to select the rows where the audience...
Subqueries: Know what a subquery is and how to apply it. Nested Queries: A discussion of exactly what nested queries in SQL are all about. Correlated Subqueries: Learn how correlated subqueries work and when to use them. Common Use Cases: Think of some real-world examples of using subqueries...
Code Explanation: The said query in SQL which is selecting the first name and last name columns from the 'employees' table, where the salary of the employee is greater than the salary of the employee with the ID of 163, as determined by the subquery. The subquery find the salary from th...
SQL exercises INTRODUCTION: In the following sessions you will make use of a database that is already prepared for you to further practice SQL queries. Take a look at the E-R model and data dictionary (see following pages) that are provided and see the skeleton tables for correct spelling ...
SUBQUERY 子查询中第一个 selectUNION RESULT union 的结果DEPENDENT UNION 查询中第二个或者后面的 select,取决于外面的查询DEPENDENT SUBQUERY 子查询中的第一个 select,取决于外面的查询DERIVED 派生表的 select, from 子句的子查询UNCACHEABLE SUBQUERY 一个子查询的结果不能被缓存,必须重新评估外连接的第一行 ...
SQL CTE vs. Subquery: This Debate Ain’t Over Yet!- Apr 16, 2025. CTEs and subqueries are often seen as the same thing, written slightly differently. That’s far from the truth. Let’s examine their differences, find a winner, and end this debate about which one is better. ...
We can perform various advanced data selection techniques such as including INNER JOIN, LEFT JOIN, Subquery, and UNION.SQL has built-in functions while we fetch data from the table such as string function, math/number function, and date function. Learning of SQL programming is an essential and...
100 XP Subquery inside SELECT100 XP Subqueries inside FROM50 XP Subquery inside FROM100 XP Subquery challenge100 XP Final challenge100 XP The finish line50 XP Joining Data in SQLCourse Complete Earn Statement of AccomplishmentAdd this credential to your LinkedIn profile, resume, or CVShare it on...
Note: You can solve this task using a subquery, too – but in an interview situation the interviewer will like the above solution better. Brief explanation: 1. First JOIN the two tables: SELECT *FROM employeesJOIN salariesON employees.employee_id = salaries.employee_id ...
SQLReporting4 hours15 videos54 Exercises4,450 XP34,634Statement of Accomplishment Create Your Free Account or Email Address Password By continuing, you accept ourTerms of Use, ourPrivacy Policyand that your data is stored in the USA. Training 2 or more people?