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Grab, GXS Bank launch EV tools for Singapore drivers

Grab said it would trial the EV Charging Network in September and roll it out to all driver-partners by the end of this year.

Grab, GXS Bank launch EV tools for Singapore drivers

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Two Sources of Truth Will Always Disagree

Somewhere in your system the same fact is stored twice. A count in a column and the rows it is counting. A status on the order and a status on the payment.

  • Two sources of data for the same fact will inevitably diverge over time
  • Discrepancies can result from write failures, off-peak jobs, or partial migrations
  • Systems must identify the accurate source, as both are considered truth

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