Personally, I want to say yes, but it depends on where you want to go with SQL development, maybe into BI? then, YES.
Also depends on the needs of te current employer, and future developments.
Do it for yourself, you might need it one day.
😉
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This thing is addressing problems that dont exist. Its solution-ism at its worst. We are dumbing down machines that are inherently superior. - Gilfoyle