How to Read PostgreSQL EXPLAIN ANALYZE (With Examples)
By Sharon Ben-Moshe · August 16, 2026 · 1 min read
Sharon Ben-Moshe is the founder of sqlfmt, a browser-based SQL formatter and validator with misspelled-keyword suggestions across PostgreSQL, MySQL, SQLite, SQL Server, and BigQuery.
Learn to read PostgreSQL EXPLAIN ANALYZE: estimated versus actual rows, scan types, safe use with writes, and a repeatable tuning workflow.
Quick answer
EXPLAIN shows PostgreSQL's planned execution path; EXPLAIN ANALYZE runs the statement and adds actual timing and row information. Start by comparing estimated and actual rows, then inspect the work performed by each plan node. Never run EXPLAIN ANALYZE on a write without understanding its side effects.
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How to Fix MySQL Error 1146: Table Doesn't Exist
By Sharon Ben-Moshe · Aug 8, 2026
MySQL's Error 1146 (“Table '...' doesn't exist”) almost always comes down to a missing database prefix, a case mismatch on a case-sensitive filesystem, or a table that never actually got created. Here's how to tell which.
Read postPostgreSQL “column does not exist”: Causes and Fixes
By Sharon Ben-Moshe · Aug 8, 2026
PostgreSQL's “column X does not exist” error is one of its most literal messages — but it still trips people up over case folding, table aliases, and columns that exist on a different table than the one being queried.
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