﻿ SQL exercises on soccer Database: Find the number of venues for EURO cup 2016 - w3resource

# SQL exercises on soccer Database: Find the number of venues for EURO cup 2016

## SQL soccer Database: Basic Exercise-1 with Solution

1. From the following table, write a SQL query to count the number of venues for EURO cup 2016. Return number of venues.

Sample table: soccer_venue

Sample Solution:

``````SELECT COUNT(*)
FROM soccer_venue;
``````

Sample Output:

``` count
-------
10
(1 row)
```

Relational Algebra Expression:

Relational Algebra Tree:

## Practice Online

Sample Database: soccer

## Query Visualization:

Duration:

Rows:

Cost:

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## SQL: Tips of the Day

Nested select statement in SQL Server.

You need to alias the subquery.

```SELECT name FROM (SELECT name FROM agentinformation) a
```

or to be more explicit

```SELECT a.name FROM (SELECT name FROM agentinformation) a
```

Database: SQL Server

Ref: https://bit.ly/3Qruiu5