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PostgreSQL PGCES-02 Exam - Topic 1 Question 98 Discussion

I would like to insert the contents of the text file users.dat into the table t1 using psql.Contents of text file users.dat: Definition of table t1: CREATE TABLE t1 (uname TEXT, pass TEXT, id INTEGER); Select the most appropriate input from those below.
A) \copy t1 FROM users.dat WITH DELIMITER ':'
B) \copy t1 TO users.dat WITH DELIMITER ':'
C) INSERT INTO t1 FROM file('users.dat');
D) INSERT INTO t1 SELECT uname, pass, id FROM file('users.dat');
E) \insert t1 FROM users.dat WITH DELIMITER ':';

PostgreSQL PGCES-02 Exam - Topic 1 Question 98 Discussion

Actual exam question for PostgreSQL's PGCES-02 exam
Question #: 98
Topic #: 1
[All PGCES-02 Questions]

I would like to insert the contents of the text file users.dat into the table t1 using psql.

Contents of text file users.dat: Definition of table t1: CREATE TABLE t1 (uname TEXT, pass TEXT, id INTEGER); Select the most appropriate input from those below.

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Suggested Answer: A

by Laurena at Apr 07, 2026, 07:59 AM

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Monte
5 hours ago
I think A is the right choice.
upvoted 0 times
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Regenia
5 days ago
C seems off, not sure it works like that.
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Melissa
11 days ago
Definitely A, it’s the standard way to import data.
upvoted 0 times
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Kasandra
16 days ago
Wait, can you really use file() in SQL?
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Dorothy
2 months ago
I think B is better, though.
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Glendora
2 months ago
A is the right choice!
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Lauran
3 months ago
I recall that using INSERT INTO with a file isn't standard SQL syntax, so options C and D seem wrong to me.
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Becky
3 months ago
I feel like option B is about exporting data, not importing, so it can't be the right choice here.
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Lea
3 months ago
I'm not entirely sure, but I remember practicing with \copy commands, and it seems like the right approach for importing data.
upvoted 0 times
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In
3 months ago
I think option A is correct because it uses \copy to load data from a file into the table.
upvoted 0 times
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