The referenced column lacks a unique/primary key constraint, or column data types do not match.

Add a unique constraint to the referenced column. Ensure data types match exactly between foreign key and reference.

42830 — 42830 — Invalid Foreign Key | Error Code Encyclopedia | akousa.net

SQL-/Datenbank-FehlerFehler

MySQL 1451

MySQL 1451 — Cannot Delete or Update Parent Row

A foreign key prevents modification of a referenced parent row.

mysql

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SQL-/Datenbank-FehlerFatal

58030

58030 — I/O Error

A disk I/O error occurred during a database operation.

postgresql

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SQL-/Datenbank-FehlerFehler

MySQL 1044

MySQL 1044 — Access Denied to Database

The user does not have access to the specified database.

mysql

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SQL-/Datenbank-FehlerFehler

42804

42804 — Datatype Mismatch

The data types in the expression are incompatible.

postgresql

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SQL-/Datenbank-FehlerWarnung

SQLITE_INTERRUPT (9)

SQLITE_INTERRUPT (9) — Operation Interrupted

The operation was interrupted by sqlite3_interrupt().

sqlite

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SQL-/Datenbank-FehlerFehler

MySQL 1236

MySQL 1236 — Replication Error (Binary Log)

The replication slave encountered an error reading the binary log.

mysql

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42830 — Invalid Foreign Key

Was verursacht diesen Fehler

So beheben Sie ihn

Verwandte Fehlercodes

MySQL 1451 — Cannot Delete or Update Parent Row

58030 — I/O Error

MySQL 1044 — Access Denied to Database

42804 — Datatype Mismatch

SQLITE_INTERRUPT (9) — Operation Interrupted

MySQL 1236 — Replication Error (Binary Log)

42830 — Invalid Foreign Key

Was verursacht diesen Fehler

So beheben Sie ihn

Verwandte Fehlercodes

MySQL 1451 — Cannot Delete or Update Parent Row

58030 — I/O Error

MySQL 1044 — Access Denied to Database

42804 — Datatype Mismatch

SQLITE_INTERRUPT (9) — Operation Interrupted

MySQL 1236 — Replication Error (Binary Log)