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#coalesce Clear
Tags #php #kotlin #bash #go #sql #rust #typescript #html #java #python #files #utils #strings #http #concurrency #async #json #arrays #security #types #crypto #database #dates #format
SQL COALESCE / NULLIF — Null Handling
`COALESCE(a, b, c)` returns the first non-NULL value — perfect for fallbacks. `NULLIF(a, b)` returns NULL when a equals b — handy for "treat sentinel as null".
#sql #null #coalesce #nullif
admin @admin ADMIN 1m ago 0
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