PostgreSQL_CE
PGCES-02 · Question #50
PGCES-02 Question #50: Real Exam Question with Answer & Explanation
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Question
Given the following two table definitions, select one SQL statement which will cause an error. CREATE TABLE sample1 (id INTEGER, data TEXT); CREATE TABLE sample2 (id INTEGER);
Options
- ASELECT s1.id FROM sample1 s1;
- BSELECT s1.id FROM sample1 AS s1;
- CSELECT data FROM sample1 AS s1, sample2 AS s2
- DSELECT id, data FROM sample1 AS s1, sample2 AS s2
- ESELECT s1.id, s1.data FROM sample1 AS s1, sample2 AS s2
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