Defining a Data Entity
1. Please define what a data entity is. Is there more than one definition depending on use?
2. what would the data entity in a stored procedure, here are some example:
a. SUM(CASE WHEN fifo.fuel_grade = 1 THEN fifo.fifo_cost END) AS gas_cost
b. SUM(deliver.fuel_cost * deliver.gallons_remaining)
2. what would the data entity in a stored procedure, here are some example:
a. SUM(CASE WHEN fifo.fuel_grade = 1 THEN fifo.fifo_cost END) AS gas_cost
b. SUM(deliver.fuel_cost * deliver.gallons_remaining)
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