This lets us skip NULL fields entirely while still supporting fast access. For wide SQL tables with many optional columns, this can reduce the row size dramatically.
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Working in Silicon Valley can be lucrative. Recent federal filings show that research scientists at OpenAI, for instance, command salaries from $245,000 to $685,000. Meanwhile, software engineers at Meta take home $120,000 to $480,000 in base salary at the tech giant.
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