#databasedisaster — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #databasedisaster, aggregated by home.social.
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One DELETE Cascades To 3.5 MILLION Rows?!
PRODUCTION APOCALYPSE! Deleted ONE user and CASCADE deleted 3.5 MILLION rows across 4 tables! Orders, payments, everything GONE! This is the scariest SQL behavior! Watch this nightmare!
#sql #sqldisaster #cascadedelete #foreignkey #productionbug #dataloss #sqlfails #massdeletion #sqlshorts #databasedisaster #sqlwtf #cascadenightmare
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JSON Column Search Takes 47 SECONDS Breaking Black Friday?!
JSON SEARCH NIGHTMARE! Can't index JSON columns in older MySQL! Every product search scans 2 MILLION rows! 47-second queries! Server MELTS on Black Friday! $4.7M revenue LOST! Watch the horror!
#sql #sqldisaster #json #performance #noindex #slowquery #sqlfails #blackfriday #sqlshorts #databasedisaster #sqlwtf #jsonsearch
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DELETE Without WHERE Deletes EVERYTHING?!
STOP RIGHT NOW! Forgot WHERE clause in DELETE? Your ENTIRE table is GONE! 10 million users DELETED in production! This is every developer's NIGHTMARE! Watch this disaster!
#sql #sqldisaster #delete #productionbug #sqlfails #codingnightmare #sqlshorts #databasedisaster #careerendingbug #sqlwtf #deletewithoutwhere #dataloss
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TRUNCATE Can't Be Rolled Back?!
Your brain will EXPLODE! TRUNCATE looks safe but ROLLBACK won't save you! Data is PERMANENTLY DELETED even in a transaction! This broke a production database! Watch the horror!
#sql #sqldisaster #truncate #rollback #transaction #productionbug #sqlfails #dataloss #sqlshorts #databasedisaster #sqlwtf #permanentdelete
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UTF8MB4 Emoji Support EXPLODES Table From 500GB to 2TB?!
CHARACTER SET BOMB! Changed to utf8mb4 for emoji support! Table size EXPLODES 4x overnight! 500GB becomes 2.1TB! Disk fills up during ALTER! Database goes READ-ONLY! Watch this explosion!
#sql #sqldisaster #utf8mb4 #emoji #storageexplosion #altertable #sqlfails #diskfull #sqlshorts #databasedisaster #sqlwtf #characterset
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Index On NULL Column Does NOTHING?!
Your performance just DIED! Created an index but queries with NULL are still slow? Indexes IGNORE NULL values! Full table scan on millions of rows! Your index is USELESS! Watch the disaster!
#sql #sqlperformance #index #null #fulltablescan #slowquery #sqlfails #productionbug #sqlshorts #databasedisaster #sqlwtf #indextrap
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UPDATE With JOIN Corrupts Your Data?!
DATA CORRUPTION ALERT! UPDATE with JOIN can update the SAME row MULTIPLE times! $100 product gets THREE discounts applied = $51! Your prices are WRONG! Watch this disaster!
#sql #sqldisaster #update #join #datacorruption #productionbug #sqlfails #multipleupdates #sqlshorts #databasedisaster #sqlwtf #updatechaos
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DateTime Timezone Shift Costs $2.3M In Missed Flights?!
TIMEZONE APOCALYPSE! Flight times stored WITHOUT timezone! UTC 14:00 displays as 2 PM but IS 11 AM local! 470 passengers MISSED flights in ONE day! Airlines lost $2.3M! Watch this disaster!
#sql #sqldisaster #timezone #datetime #productionbug #dataloss #sqlfails #airlinedisaster #sqlshorts #databasedisaster #sqlwtf #timestamphell
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DateTime Timezone Shift Costs $2.3M In Missed Flights?!
TIMEZONE APOCALYPSE! Flight times stored WITHOUT timezone! UTC 14:00 displays as 2 PM but IS 11 AM local! 470 passengers MISSED flights in ONE day! Airlines lost $2.3M! Watch this disaster!
#sql #sqldisaster #timezone #datetime #productionbug #dataloss #sqlfails #airlinedisaster #sqlshorts #databasedisaster #sqlwtf #timestamphell
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DateTime Timezone Shift Costs $2.3M In Missed Flights?!
TIMEZONE APOCALYPSE! Flight times stored WITHOUT timezone! UTC 14:00 displays as 2 PM but IS 11 AM local! 470 passengers MISSED flights in ONE day! Airlines lost $2.3M! Watch this disaster!
#sql #sqldisaster #timezone #datetime #productionbug #dataloss #sqlfails #airlinedisaster #sqlshorts #databasedisaster #sqlwtf #timestamphell
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DateTime Timezone Shift Costs $2.3M In Missed Flights?!
TIMEZONE APOCALYPSE! Flight times stored WITHOUT timezone! UTC 14:00 displays as 2 PM but IS 11 AM local! 470 passengers MISSED flights in ONE day! Airlines lost $2.3M! Watch this disaster!
#sql #sqldisaster #timezone #datetime #productionbug #dataloss #sqlfails #airlinedisaster #sqlshorts #databasedisaster #sqlwtf #timestamphell
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ALTER TABLE Auto-Commits Your Transaction?!
This will DESTROY your confidence! Running ALTER TABLE inside a transaction AUTO-COMMITS everything! Your unsaved work gets COMMITTED permanently! This breaks transaction logic! Watch now!
#sql #sqldisaster #altertable #autocommit #transaction #ddl #sqlfails #productionbug #sqlshorts #databasedisaster #sqlwtf #implicitcommit
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ALTER TABLE Auto-Commits Your Transaction?!
This will DESTROY your confidence! Running ALTER TABLE inside a transaction AUTO-COMMITS everything! Your unsaved work gets COMMITTED permanently! This breaks transaction logic! Watch now!
#sql #sqldisaster #altertable #autocommit #transaction #ddl #sqlfails #productionbug #sqlshorts #databasedisaster #sqlwtf #implicitcommit
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ALTER TABLE Auto-Commits Your Transaction?!
This will DESTROY your confidence! Running ALTER TABLE inside a transaction AUTO-COMMITS everything! Your unsaved work gets COMMITTED permanently! This breaks transaction logic! Watch now!
#sql #sqldisaster #altertable #autocommit #transaction #ddl #sqlfails #productionbug #sqlshorts #databasedisaster #sqlwtf #implicitcommit
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ALTER TABLE Auto-Commits Your Transaction?!
This will DESTROY your confidence! Running ALTER TABLE inside a transaction AUTO-COMMITS everything! Your unsaved work gets COMMITTED permanently! This breaks transaction logic! Watch now!
#sql #sqldisaster #altertable #autocommit #transaction #ddl #sqlfails #productionbug #sqlshorts #databasedisaster #sqlwtf #implicitcommit
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ALTER TABLE Auto-Commits Your Transaction?!
This will DESTROY your confidence! Running ALTER TABLE inside a transaction AUTO-COMMITS everything! Your unsaved work gets COMMITTED permanently! This breaks transaction logic! Watch now!
#sql #sqldisaster #altertable #autocommit #transaction #ddl #sqlfails #productionbug #sqlshorts #databasedisaster #sqlwtf #implicitcommit
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SQL Injection In ORDER BY Drops Your Table?!
SECURITY NIGHTMARE! Everyone secures WHERE clause but ORDER BY is VULNERABLE! User input in ORDER BY can DROP TABLES! Even prepared statements won't save you! Watch this attack!
#sql #sqlinjection #security #orderby #droptable #sqlvulnerability #sqlfails #productionbug #sqlshorts #databasedisaster #sqlwtf #injectionattack