﻿ SQL exercises on soccer Database: Find the number of booking happened in stoppage time - w3resource

# SQL exercises on soccer Database: Find the number of booking happened in stoppage time

## SQL soccer Database: Exercise-28 with Solution

28. From the following table, write a SQL query to count the number of booking happened in stoppage time.

Sample table: player_booked

Sample Solution:

SQL Code:

``````SELECT COUNT(*)
FROM player_booked
WHERE play_schedule='ST';
```
```

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