MySQL error 1133 appears when a CREATE USER, ALTER USER, or SET PASSWORD statement references a user@host pair that does not exist in mysql.user.
MySQL Error 1133: ER_PASSWORD_NO_MATCH occurs when a CREATE USER, ALTER USER, SET PASSWORD, or RENAME USER command targets a user@host combination that is not present in the mysql.user table. Verify the exact user and host, then create the account or correct the host clause to resolve the error.
Can't find any matching row in the user table
Error 1133 (SQLSTATE 42000) signals that MySQL searched the mysql.user system table for the supplied user@host combination but found no row. Because MySQL stores credentials per user and per host, a typo in either part produces a mismatch and triggers ER_PASSWORD_NO_MATCH.
The error commonly appears when an administrator tries to set or change a password, rename a user, or adjust privileges before the account is created.
It can also surface after a server migration when mysql.user did not transfer correctly.
Targeting a non-existent account in ALTER USER, SET PASSWORD, or RENAME USER is the primary cause. MySQL validates that the referenced user exists before executing the statement.
Mismatched host qualifiers (e.g., 'app_user'@'%' vs 'app_user'@'localhost') cause MySQL to treat the account as different even if the username is identical.
An overlooked drop user operation or an incomplete backup restore can also leave the account missing.
First, confirm the exact user@host in mysql.user: SELECT User, Host FROM mysql.user ORDER BY User, Host;. Identify the intended row.
If the account is missing, create it with CREATE USER 'app_user'@'localhost' IDENTIFIED BY 'StrongP@ss!'; then re-run ALTER USER or GRANT.
If the account exists under a different host, adjust your statement or rename the account accordingly.
ALTER USER fails: Create the account first or use IF EXISTS.
Example: CREATE USER IF NOT EXISTS 'dev'@'%'; ALTER USER 'dev'@'%' IDENTIFIED BY 'newpass';.
SET PASSWORD fails during automation: Wrap the change in a conditional check: SELECT 1 FROM mysql.user WHERE User='ci' AND Host='%'; only run SET PASSWORD when a row returns.
Always specify both User and Host when managing accounts. Use consistent host wildcards so scripts reference the correct row.
Prefer CREATE USER IF NOT EXISTS and ALTER USER IF EXISTS to make operations idempotent.
In Galaxy, the context-aware AI copilot can autocomplete the correct user@host from schema introspection, reducing typos and mismatches during administrative scripting.
Error 1396 (HY000) - Operation CREATE USER failed for 'user'@'host'. Occurs when an account already exists; drop or rename first.
Error 1044 (42000) - Access denied for user to database. Indicates privilege issues rather than missing user rows.
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Yes. SET PASSWORD and ALTER USER operate on existing rows. Use CREATE USER IF NOT EXISTS to ensure the account exists first.
Query mysql.user or run SHOW GRANTS FOR CURRENT_USER(); The Host column must match exactly in administrative statements.
Yes, store the host in variables or use wildcards where security allows. Galaxy's parameterized snippets let teams reuse scripts safely.
No. FLUSH PRIVILEGES only reloads grant tables into memory. It cannot create missing rows in mysql.user.
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