In the following SQL query, what does "person_id" stands for? CREATE TABLE person (person_ id SMALLINT UNSIGNED, fname VARCHAR(20), lname VARCHAR(20), CONSTRAINT pk_person PRIMARY KEY (person_id));

Q. In the following SQL query, what does "person_id" stands for?
CREATE TABLE person
(person_ id SMALLINT UNSIGNED,
fname VARCHAR(20),
lname VARCHAR(20),
CONSTRAINT pk_person PRIMARY KEY (person_id));

(A) Normal attribute of the table
(B) DELAY_WRITE_KEY
(C) Composite key
(D) Primary key

✅ Correct Answer: (B) DELAY_WRITE_KEY

Explanation: This question is asking you to identify what "person_id" represents within the given SQL code. The code creates a table named "person" with several columns:

Published by Priyanka Tomar ⭐ 35.28K Points at 22-Mar-2025 12:44 pm in MySQL

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Q. In the following SQL query, what does "person_id" stands for?
CREATE TABLE person
(person_ id SMALLINT UNSIGNED,
fname VARCHAR(20),
lname VARCHAR(20),
CONSTRAINT pk_person PRIMARY KEY (person_id));

Explanation by: Priyanka Tomar

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📊 Question Analytics

Q. In the following SQL query, what does "person_id" stands for? CREATE TABLE person (person_ id SMALLINT UNSIGNED, fname VARCHAR(20), lname VARCHAR(20), CONSTRAINT pk_person PRIMARY KEY (person_id));

Explanation by: Priyanka Tomar

💬 Discussion

📊 Question Analytics

Q. In the following SQL query, what does "person_id" stands for?
CREATE TABLE person
(person_ id SMALLINT UNSIGNED,
fname VARCHAR(20),
lname VARCHAR(20),
CONSTRAINT pk_person PRIMARY KEY (person_id));