Oracle - Errores y soluciones

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ORA-01002: cannot mount database in SHARED mode

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ORA-01184: logfile group string already exists

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 ORA-12899: value too large for column string (actual: string, maximum: string)bases_datos_2

 


 

Cause: An attempt was made to insert or update a column with a value which is too wide for the width of the destination column. The name of the column is given, along with the actual width of the value, and the maximum allowed width of the column. Note that widths are reported in characters if character length semantics are in effect for the column, otherwise widths are reported in bytes.

 

Action: Examine the SQL statement for correctness. Check source and destination column data types. Either make the destination column wider, or use a subset of the source column (i.e. use substring).

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TNS-12537: TNS:connection closed

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TNS-12560: TNS:protocol adapter error

 

Cause: A generic protocol adapter error occurred.

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ORA-22858: invalid alteration of datatype

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ORA-01174: DB_FILES is string buts needs to be string to be compatible