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Row aliases in sql?
Hey!
There is a request:
Select *
FROM calendar_year as cal
LEFT JOIN album as alb ON alb.year = cal.year AND (alb.band_id = 388)
WHERE cal.year BETWEEN 1969 AND 1982
SELECT COUNT(ooo.year)
FROM
(Select *
FROM calendar_year as cal
LEFT JOIN album as alb ON alb.year = cal.year AND (alb.band_id = 388)
WHERE cal.year BETWEEN 1969 AND 1982) as ooo
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Something like this
SELECT
COUNT(ooo.year_alb)
FROM
(
SELECT
alb.year AS year_alb,
cal.year AS year_cal
FROM
calendar_year cal
LEFT JOIN album alb ON alb.year = cal.year AND (alb.band_id = 388)
WHERE
cal.year BETWEEN 1969 AND 1982
) ooo
Remove *
and list all required columns in the formatтаблица.столбец
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