Common SQL Errors

MySQL Error 1142: ER_TABLEACCESS_DENIED_ERROR - How to Fix and Prevent

Galaxy Team
August 5, 2025

The database denies the requested command because the connected user lacks the required privileges on the target table.

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What is MySQL error 1142 (ER_TABLEACCESS_DENIED_ERROR)?

MySQL Error 1142: ER_TABLEACCESS_DENIED_ERROR means the user account does not hold the needed privilege (SELECT, INSERT, UPDATE, DELETE, etc.) on the referenced table. Grant the missing right with GRANT SELECT ON db.table TO 'user'@'host'; then FLUSH PRIVILEGES. This resolves the issue across the United States and worldwide.

Error Highlights

Typical Error Message

%s command denied to user '%s'@'%s' for table '%s'

Error Type

Permission Error

Language

MySQL

Symbol

ER_TABLEACCESS_DENIED_ERROR

Error Code

1142

SQL State

Explanation

Table of Contents

What is MySQL Error 1142 (ER_TABLEACCESS_DENIED_ERROR)?

MySQL raises error 1142 when a session issues a SQL command that requires table-level privileges the current account does not possess. The engine blocks the operation to protect data integrity and security.

The full message looks like: ERROR 1142 (42000): SELECT command denied to user 'alice'@'10.0.0.5' for table 'orders'.

The verb changes with the attempted action.

When Does This Error Occur?

The error appears during SELECT, INSERT, UPDATE, DELETE, ALTER, CREATE, DROP, TRIGGER, or INDEX statements against a table for which the authenticated user lacks the specific privilege.

It commonly surfaces after new tables are created, users are migrated, or privileges are revoked during security hardening.

Why Is It Important to Fix?

Unresolved privilege errors block application workflows, break ETL jobs, and frustrate end users.

Quickly restoring proper permissions maintains uptime and guards against ad-hoc workarounds that weaken security.

What Causes This Error?

Missing or revoked table privileges trigger the denial. A misconfigured GRANT, an incorrect host component in the user identifier, or a forgotten FLUSH PRIVILEGES often underlie the problem.

Upgrades to MySQL 8.0 can invalidate legacy privilege structures, leading to surprise 1142 errors.

How to Fix MySQL Error 1142

Identify the failing user and command, inspect current grants, then issue a precise GRANT.

Apply the principle of least privilege to grant only the necessary rights.

After updating privileges, reconnect or run FLUSH PRIVILEGES to reload the grant tables.

Common Scenarios and Solutions

Report-only users need SELECT on reporting tables. Data-ingest services need INSERT on staging tables. Web apps often need SELECT, INSERT, UPDATE, DELETE on transactional tables.

Tailor the GRANT statement to each role.

If a wildcard host ( 'user'@'%' ) silently conflicts with a more specific host entry, remove the wildcard or align hosts.

Best Practices to Avoid This Error

Create roles in MySQL 8.0, assign granular rights to roles, then grant roles to users.

Version-control these statements with Galaxy collections to prevent drift.

Regularly audit privileges with SHOW GRANTS, and monitor ERROR 1142 occurrences in MySQL error logs or Galaxys query history pane.

Related Errors and Solutions

Error 1044 ER_DBACCESS_DENIED_ERROR denies database-level access. Grant privileges at the database level to resolve.

Error 1227 ER_SPECIFIC_ACCESS_DENIED_ERROR blocks access to administrative statements. Grant the SUPER or needed dynamic privilege.

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Common Causes

Related Errors

FAQs

Does GRANT ALL fix error 1142?

Yes, but it over-grants. Prefer explicitly granting only needed privileges.

Is FLUSH PRIVILEGES always required?

Not when using GRANT or REVOKE, because they update privilege tables automatically. It is required after manual privilege table edits.

Can I solve this with SET GLOBAL sql_mode?

No. sql_mode affects syntax and runtime behavior, not permission checks.

How does Galaxy help?

Galaxy surfaces permission errors instantly in its results pane, lets you share the failing query with a DBA, and stores the fixed GRANT in a version-controlled collection.

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