Medium-EasyApplyRDBMS & SQLMultiple Choice

What does the LAG() window function return?

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Answer Options

AThe maximum value in the partition
BThe value from a row a specified number of rows BEFORE the current row in the ordered partition
CThe value from a row a specified number of rows AFTER the current row
DThe running total up to the current row

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This question is from the RDBMS & SQL topic (Databases).

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