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YuriiHoliuk
approved these changes
Jul 1, 2019
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| 8. Create a query that would select the IDs of the living people: | ||
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| ```postgresql | ||
| ... here goes your SQL ... | ||
| SELECT id FROM famouse_peoples WHERE deth_year ISNULL; |
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ISNULL - функція, а тут тобі потрібен IS NULL
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| 14. Create a query that would select the people whose first name starts with a letter that precedes `M` in the English alphabet: | ||
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| ```postgresql | ||
| ... here goes your SQL ... | ||
| SELECT * FROM famouse_peoples WHERE first_name ~ '[A-L]'; |
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SELECT * FROM famouse_peoples WHERE first_name ~ '^[A-L]';
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