Tables that store historical data need a mechanism to hold historical data at an appropriate resolution (so, for example, we may keep a months worth of the most recent block by block margin data, but a years worth of hour by hour margin data), and a way to configure for how long we keep the high resolution and the low resolution data.
Tables that store historical data need a mechanism to hold historical data at an appropriate resolution (so, for example, we may keep a months worth of the most recent block by block margin data, but a years worth of hour by hour margin data), and a way to configure for how long we keep the high resolution and the low resolution data.