Let us consider the following schema:

Let us consider the following schema:

题目类型: 技术面试题

这是一道技术面试题，常见于澳洲IT公司面试中。

难度: easy

标签: interviewbit, sql-query, topic-specific, sql, database

参考答案摘要

Table: Activity | Column Name | Type | | --- | --- | | playerId | int | | deviceId | int | | eventDate | date | | gamesplayed | int | This table's primary key is (playerId, eventDate). The activities ...

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