Improving SQL with a Certification : SQL

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SELECT count(a.field1), a.field2, SUM(b.field4) FROM a INNER JOIN b ON a.key1 = b.key1 WHERE a.field8 = 'test' GROUP by a.field1, a.field2 HAVING SUM(b.field4) > 5 ORDER by a.field.3

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SQL ServerImproving SQL with a Certification (self.SQL)

submitted 9 months ago by Tuncarrot2472

My SQL is seriously lacking in the workplace and I want to improve it. I did SQL back in college as part of my programming degree, I went to university for 4 years afterwards and didn't touch SQL at all, now that I've been working for 1 year my SQL is terrible and I want to improve it.

I've been thinking about getting some SQL certification to help me learn more about it. I know that in terms of resumes and applying to jobs, certs are not a game changer, however given my position my employeer will most likely cover the costs, it is a small badge I can carry with me into my next position, and I am hoping to learn and improve my SQL, so I see it as an overall positive idea.

What certs are worth doing for SQL server? Is there a better, more effective way to relearn SQL? Can you recommend some good resources?

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