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Table Name: messages
Dataset with all messages being sent and received on a given day
. check 1point3acres for more.
+-------------+-----------+----------------------------------------------------+
| column | data_type | description |
+----------------------+--+----------------------------------------------------+.
| sender_id |(INTEGER) | ID of the user who sent the message |. check 1point3acres for more.
| receiver_id |(INTEGER) | ID of the user who received the message |
| message_id |(INTEGER) | ID of the message |-baidu 1point3acres
| sent_date |(STRING) | date on which the message was sent |
.1point3acres
| read_date |(STRING) | date on which the message was read,NULL if not read|
+-------------+-----------+----------------------------------------------------+. 1point 3 acres
. 1point3acres
Sample Rows:
sender_id | receiver_id | message_id | sent_date | read_date.google и
. Χ
1232412 | 12342 | 124 | '2024-01-01' | '2024-01-01'
6534354 | 423452 | 342 | '2024-01-02' | NULL
1234412 | 34214 | 425 | '2024-01-01' | '2024-01-05'
*/
Q1A: How many users received more than 10 messages in a day in the last week?
/*
Table Name: violating_scores.1point3acres
Dataset with classifier generated probability scores for a user being violating
+----------------+-----------+-------------------------------------------------+
| column | data_type | description |
+----------------------+--+----------------------------------------------------+
| user_id |(INTEGER) | ID of the user |
| violation_type |(STRING) | Violation type |
| p_violating |(DOUBLE) |classifier generated probability of a user being |
| | | violating for a given violation type | . Χ
+----------------+-----------+-------------------------------------------------+
Sample Rows:
user_id | violation_type | p_violating|
1232412 | 'spam' | 0.4 |
6534354 | 'scam' | 0.9 |
. Χ
1234412 | 'impersonation' | 0.1 |
*/
Q1B: What is the average read-rate for spammers in the last week? Read rate is defined as the number of read messages sent by spammers over the number of all messages sent by spammers.. check 1point3acres for more.
. .и
上周面的 还没有收到回复。。。
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就记得这么多了 总体交流比较顺利 面试小哥给了不少hint 不管过不过希望快点收到回复 |