🗄️ MySQL Errors

40 error notes

ER_NOT_SUPPORTED_AUTH_MODE: Client does not support authentication protocol requested by server; consider upgrading MySQL client

mysqldatabasemysql8devops

mysqlintermediate

Fixing 'You can't specify target table for update in FROM clause' (ERROR 1093) in MySQL

ERROR 1093 (HY000): You can't specify target table 'orders' for update in FROM clause

mysqlsubqueryupdatesql

mysqlintermediate

Fixing MySQL Error 1170: BLOB/TEXT column used in key specification without a key length

ERROR 1170 (42000): BLOB/TEXT column 'description' used in key specification without a key length

mysqldatabase-optimizationindexingsql-errors

mysqlintermediate

Fix ERROR 1267: Illegal Mix of Collations in MySQL

ERROR 1267 (HY000): Illegal mix of collations (utf8mb4_unicode_ci,IMPLICIT) and (utf8mb4_general_ci,IMPLICIT) for operation '='

mysqlcollationcharsetsql

mysqlintermediate

Fix ERROR 1227: Access denied; you need the SUPER privilege When Importing MySQL Dump

ERROR 1227 (42000): Access denied; you need (at least one of) the SUPER privilege(s) for this operation

mysqlimportprivilegedump

mysqlintermediate

Fix MySQL ERROR 1813: Tablespace for table exists. Please DISCARD the tablespace before IMPORT

ERROR 1813 (HY000): Tablespace for table '`mydb`.`mytable`' exists. Please DISCARD the tablespace before IMPORT.

mysqlinnodbtablespacerestore

mysqlbeginner

Fix MySQL ERROR 1038: Out of Sort Memory When Using ORDER BY

ERROR 1038 (HY001): Out of sort memory, consider increasing server sort buffer size

mysqlperformanceorder-bysort-buffer

mysqlintermediate

Fixing MySQL Error 1449: 'The user specified as a definer does not exist'

ERROR 1449 (HY000): The user specified as a definer ('root'@'%') does not exist

mysqldefinertriggerview

mysqlintermediate

Fixing MySQL ERROR 1366: 'Incorrect integer value' for Empty Strings

ERROR 1366 (HY000): Incorrect integer value: '' for column 'id' at row 1

mysqlstrict-modeintegerdata-type

mysqlintermediate

Fixing ERROR 2013 (HY000): Lost connection to MySQL server during query

ERROR 2013 (HY000): Lost connection to MySQL server during query

mysqldatabase-administrationtimeoutsql-error

mysqlintermediate

Fixing MySQL ERROR 145: Table is marked as crashed and should be repaired

ERROR 145 (HY000): Table './dbname/tablename' is marked as crashed and should be repaired

mysqlmyisamcrashedrepair

mysqlintermediate

Fixing the MySQL 'only_full_group_by' Error in GROUP BY Queries

Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column... which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by

mysqlsql_modegroup-by

mysqlintermediate

Fixing the 767-Byte Index Limit in MySQL (utf8mb4)

ERROR 1071 (42000): Specified key was too long; max key length is 767 bytes

mysqlutf8mb4database-administrationinnodb

mysqlintermediate

Fix MySQL 'Error writing file' (Errcode: 28) – No Space Left on Device

Error writing file '/tmp/MYxxxxxx' (Errcode: 28 - No space left on device)

mysqldisk-spacestorage

mysqlintermediate

Fix 'Waiting for table metadata lock' When ALTER TABLE or DROP TABLE Hangs in MySQL

Waiting for table metadata lock

mysqlmetadata-lockalter-tabletransaction

mysqlintermediate

Fix 'Host is blocked because of many connection errors' in MySQL (ERROR 1129)

ERROR 1129 (HY000): Host '192.168.1.10' is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts'

mysqlconnectionflush-hostsmax-connect-errors

mysqlintermediate

Fixing MySQL Error 1292: How to Handle '0000-00-00' Datetime Values

ERROR 1292 (22007): Incorrect datetime value: '0000-00-00 00:00:00' for column 'created_at' at row 1

mysqldatabase-migrationsql-modebackend-dev

mysqlintermediate

How to Fix MySQL ERROR 1213: Deadlock Found When Trying to Get Lock

ERROR 1213 (40001): Deadlock found when trying to get lock; try restarting transaction

mysqldeadlockdatabase-optimizationinnodb

mysqlintermediate

Fixing MySQL Error 1118: Row size too large (> 8126)

ERROR 1118 (42000): Row size too large (> 8126). Changing some columns to TEXT or BLOB may help. In current row format, BLOB prefix of 0 bytes is stored inline.

mysqlrow-sizeinnodbschema

mysqlbeginner

Fix MySQL Error 1175: How to Disable Safe Update Mode

Error Code: 1175. You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column.

mysqlsafe-update-modesql-workbenchdatabase-administration

mysqlintermediate

Fix MySQL ERROR 1366: Incorrect string value When Inserting Unicode or Emoji

ERROR 1366 (HY000): Incorrect string value: '\xF0\x9F\x98\x80...' for column 'content' at row 1

mysqlcharsetutf8mb4unicode

mysqlbeginner

Fixing MySQL ERROR 1820: The 'Must Reset Password' Lockout

ERROR 1820 (HY000): You must reset your password using ALTER USER statement before executing this statement.

mysqldatabase-administrationsql-errorssecurity

mysqlintermediate

Fixing MySQL `ERROR 1451: Cannot delete or update a parent row` with Foreign Key Constraints

ERROR 1451 (23000): Cannot delete or update a parent row: a foreign key constraint fails (`mydb`.`orders`, CONSTRAINT `fk_customer` FOREIGN KEY (`customer_id`) REFERENCES `customers` (`id`))

mysqlforeign-keyconstraintdelete

mysqlbeginner

Fix 'Got a packet bigger than max_allowed_packet bytes' Error in MySQL

ERROR 1153 (08S01): Got a packet bigger than 'max_allowed_packet' bytes

mysqlmax_allowed_packetconfigurationblob

mysqlintermediate

Fix ERROR 1215 (HY000): Cannot add foreign key constraint in MySQL

ERROR 1215 (HY000): Cannot add foreign key constraint

mysqlforeign-keyinnodbschema

mysqlbeginner

Fix MySQL ERROR 1064: You have an error in your SQL syntax

ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '...' at line 1

mysqlsqlsyntax-errorquery

mysqlintermediate