CodePudding user response:


This is the screenshot, interpretation, thank you!
CodePudding user response:
SELECT workers, the MONTH (homework time) AS in SUM (the hours) AS monthly working hoursFROM the table name
GROUP BY operation personnel, the MONTH (homework)
CodePudding user response:
A: standard data type does not match the expression;Is your SUM (the hours) AS monthly working hours is this SUM? Now I just need to show separately,
CodePudding user response:
Crosstab query, you might as well use Access query wizard, choose one of the crosstab query wizard, can automatically generate the query code,CodePudding user response:
Time Format (homework, "yyyy - mm)"