select 'Stablecoins' as type,
count(DISTINCT tx_hash) as txs,
sum(borrowed_usd) as volume
from ethereum.aave.ez_borrows
where block_timestamp >= CURRENT_DATE - 90
and symbol in ('USDT','USDC','DAI')
group by 1
UNION ALL
select 'Other Tokens' as type,
count(DISTINCT tx_hash) as txs,
sum(borrowed_usd) as volume
from ethereum.aave.ez_borrows
where block_timestamp >= CURRENT_DATE - 90
and symbol not in ('USDT','USDC','DAI')
group by 1