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2026-07-28T13:38
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SELECT basics
quiz
SELECT from world
quiz
SELECT from nobel
quiz
SELECT in SELECT
quiz
SUM and COUNT
quiz
JOIN
quiz
More JOIN
quiz
Using NULL
quiz
Self JOIN
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Reference
NoSQL zoo
SELECT
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SELECT .. WHERE
SELECT .. GROUP BY
SELECT .. JOIN
SELECT .. SELECT
INSERT .. VALUES
INSERT .. SELECT
UPDATE
DELETE
CREATE TABLE
CREATE VIEW
CREATE INDEX
DROP
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UNION
LEFT JOIN
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