Table corruption after applying append query in Access database

An append query in Microsoft Access adds records from a database table you are working in to another table. You can append records to a table in the current database that you are working in or into another Microsoft Access database. This feature of Access is quite useful when you want to add data to a different table where the data is based upon a selection criteria. However, append queries are not always the best way to add records to another database. There are possibilities of table getting corrupt and .mdb or .accdb file becoming inaccessible. In such situations, you would be required to compact and repair the database or restore the data from an updated backup. And, if nothing seems working, then you have to consider using an Access repair software.

Consider a scenario, wherein, you are running an append query, and receive the following error message:

“Microsoft Access can't append all the records in the append query.

Microsoft Access set 0 field(s) to Null due to a type conversion failure, and it didn't add record(s) to the table due to key violations, 0 record(s) due to lock violations, and 0 record(s) due to validation rule violations.

Do you want to run the action query anyway?
To ignore the error(s) and run the query, click Yes.
For an explanation of the causes of the violations, click Help.”

Cause
The above error can be encountered if you have a table that has a self-join and Memo fields, and has referential integrity enforced. This may lead to table corruption.

(Referential Integrity refers to a concept which ensures that relationships between tables remain consistent.)

Resolution
In order to resolve this issue, you can consider the following Access database repair steps:

• Change the Memo fields to Text fields
• Move the Memo fields into a separate table, and then use a 1:1 relationship

While the above steps can fix the problem, you cannot address the same situation with large databases. And, if you use the Compact and Repair utility, it won't work as well. Therefore, you have to rely on third-party Access repair software. Such tools help you in repairing and restoring Access database along with its various components.

How to fix 'Record(s) cannot be read; no read permission...' error in MS Access

Tables are the building blocks of a Microsoft Access database. When you create a database, you store data in tables – subject-based list. A table contains records and fields. Each record (row) contains data about one instance of the table subject, such as a particular employee, whereas each field (column) contains data about one aspect of the table subject, such as employee id or e-mail. Thus, tables allow you to create the framework for storing information in an Access database. However, tables in MS Access also have the tendency to go corrupt in many instances including abrupt shutdown, virus attacks, application malfunction and others. In such situations, when data stored in tables become inaccessible, you must restore the damaged .mdb file from an updated backup. And, if there is no backup available, switch to an advanced mdb repair software.

Consider a scenario, wherein, you attempt to open a table with Microsoft Access database, and instead receive the following error which reads like:

'Record(s) cannot be read; no read permission on xxxx' (Error 3112)

xxxx in the above error refers to an Access object name. It can be either a system object or a user object.

In an MDB database, there are many system tables (called as system objects) containing vital information about the database. They remain hidden by default and are maintained by MS Access only. Access creates the following system tables when creating an MDB file:
MSysAccessObjects, MSysACEs, MSysObjects, MSysQueries, MsysRelationships

Therefore, you may also receive the error:

'Record(s) cannot be read; no read permission on MsysObjects.'

Cause
The above error can surface in the following conditions:

• If you don not have permission to view data of the specified table or query
• If the object information or data are partially corrupt

Resolution
You can observe the following steps to troubleshoot the issue:

• Consult the system administrator or the creator of the object to change your permissions
• If you are sure about the permissions, then you must opt for an mdb file repair utility in order to address corruption problem.

Such tools are available in abundance over the Internet. But, selecting a particular one could be an onerous task as it would require you to do proper analysis and research. Once selected, you can use an mdb repair tool to repair corrupt access databases in an effortless manner.

Recovering corrupt Access 2000 MDB file

MDB is the default file extension for most of the Access databases (except for Access 2007, which also supports ACCDB). It consists of various database components such as tables, queries, forms, stored procedures. You can import MDB file into various MS Office applications such as Word, Excel, etc. However, sometimes MDB files may get corrupt due to various reasons such as human errors, abrupt system shutdown when the database is open, virus infections, power surges, etc. In such cases, you should take appropriate corrective measures to repair the file and recover the data. However, if you are unable to resolve the issue then you should use a third-party MDB file repair software to repair MDB file.

Consider a scenario wherein you open a database in Access 2000. However, you are unable to do and an error message is displayed, that is:

“Unexpected error 35012”

Cause:
The root cause of this error message is that one or more components (such as forms, tables, etc) of the database are corrupted.

Resolution:
To resolve the issue and recover the trapped data safely from the MDB file, you should perform the following steps:
1.Create a new Microsoft Access database.
2.Import the database into the new database by following File | Get External Data | Import. Import all the database objects of the corrupted database to the new database.
3.If the aforementioned error message is getting displayed while importing a particular database object then repeat Step 2 and exclude that object this time. Restore that object from an updated and clean backup of the database.

However, if you are unable to address this issue using the mentioned method or the backup is not updated then you should use a third-party recovery tool to repair MDB file. Such read-only tools perform .MDB repair using fast yet sophisticated scanning algorithms without overwriting the original data.

Recovering MDB file after append query failure

MDB or ACCDB are database files which are created by Microsoft Access , widely used relational database management system (RDBMS). It contains database structure, database entries as well as data entry forms, queries, stored procedures and database securities. Microsoft Jet Database Engine stands rich graphical interface to access' s application to make it more user friendly and presentable. An .MDB file is always required to configure a Microsoft Access data source either by open database connectivity administrator or pro grammatically. What to do in such case if MS access MDB file corrupts due to some factors which can cause loss of file stability and thus, result in crucial data loss. This unstable situations can be resolved using third party MDB recovery software which is used to repair MDB file.

Consider a scenario where you are working on an MS Access database and you are supposed to add few records in a table and command is executed but at sudden an error message is displayed that is:

“Microsoft Access can't append all the records in the append query.

Microsoft Access set 0 field(s) to Null due to a type conversion failure, and it didn't add record(s) to the table due to key violations, 0 record(s) due to lock violations, and 0 record(s) due to validation rule violations.

Do you want to run the action query anyway?
To ignore the error(s) and run the query, click Yes.
For an explanation of the causes of the violations, click Help.”

Cause:
There could be two majors reasons for the occurrence of this error message as follows:
1. Either Table consists of self-join and memo fields implemented with referential integrity
2. Or a table corrupts.

Resolution:
Such errors can be resolved by changing the Memo fields to Text fields. You can also move the Memo fields to another table and then use a 1:1 relationship between the tables. These methods can be used to resolve these issues. However, if it is showing error then table is corrupt. In such case, you can use a third-party MDB repair software to recover Access table. These read-only tools use fast yet sophisticated scanning algorithms to scan the damaged area.

Recovering Access database corrupted because of concatenated fields

MS Access, a part of MS Office product suite, is the relational database management system (RDBMS) from the MS Office. Usually it is but it can be procured separately as well. It is simple to use and is extensively used in other MS Office applications such as Word and Excel for performing backend operations. However, sometimes the Access database can get corrupt due to various reasons such as virus infections, human errors, power surges, abrupt system shutdown while the database is open, etc. In such situations, you should use appropriate corrective measures to sort the issue. However, if you are not able to solve the situation then you should use a third-party Access database repair software to repair Access file.

Consider a scenario wherein you are working on an MS Access database. In this, you have concatenated several text fields in the records. When you open the recordset, you find that the characters appearing after the first 255 characters are distorted and you are unable to understand them.

Cause:
The most possible reason for such kind of behavior is because of incorrect memory assignment. As is mentioned, the characters after first 255 are garbled. This is so because Access has set the limit of 255 characters for the Text field. And when the length is more than 255, then Access returns whatever random character is fetched from the memory after that spot.
The other reason for this error is that the database is corrupt, which is causing the database to behave in this manner.

Resolution:
To resolve this issue, you can use a UNION query with a Memo field. It will force Access to refer the concatenated field as Memo only. It creates a table with similar structure having a Memo field. Although the new table does not have any records, it still forces Access to treat the field as Memo. Due to this, there is sufficient memory to handle the extra characters.

However, if you are not able to resolve the issue even after performing the aforementioned method it means that the database is corrupt. In such cases, you should use a third-party Access repair software. Such read-only tools are able to perform Access file repair using fast yet sophisticated scanning algorithms.

Repairing corrupted database in Access 2003

MS Access is one of the most used database systems in the world. It can be procured either with the MS Office product suite as well as a standalone application. It is simple to use and has got lots of online forums as support. However, sometimes the Access database may get corrupt thereby making it to exhibit strange behavior. This can happen due to various reasons such as virus infections, power outages, concurrent modifications by multiple users, etc. You should use appropriate steps to repair Access file. However, if you are not able to resolve the situation then you should use an Access database repair software to do so.

Consider a scenario wherein you are working on an MS Access 2003 database. In this database, you are able to open and view a database table. However, you are not able to either export this table into another database and vice versa.

Cause:
The root cause of this erroneous situation is that the database, in question, has corrupted and, thus, behaving in such abnormal manner.

Resolution:
To resolve this error and repair the corrupted Access database, you need to perform the following methods:

• Take a backup of this database to avoid any further damage to it.
• Create a new table and paste the structure of the problem database table in it.
• Open both the tables.
• In the problem table, copy the first record row.
• Paste the copied record in the new table.
• Repeat this process for all the records.
• After moving all the records, create a new Access database and save it with a different name than the problem database.
• Import the new table and other clean objects in the new database, and exit Access.
• Delete the LDB file of the problem database.
• Rename the new database as the problem database. This should solve the problem.

However, if the problem is still not resolved then you should use a third-party Access repair software to repair the corrupted databases. Such read-only tools repair Access databases by performing fast yet sophisticated scanning algorithms.

How to Resolve “Err Number 3049” in Microsoft Access

Is your Microsoft Access application performing slow? Are you getting various corruption errors while opening the database? Well, this problem can occur due to large size of Access database or corruption to the database. To insure optimal Access performance and remove the database problems, you should compact the Access database on regular basis. Sometimes, Access itself suggests you to compact the database if repair process fails on any MDB (Master Database) file or AccDB file. In such critical situations, the database remains in damaged state and you must go for MDB recovery solutions to get your mission-critical data back.

In a practical scenario of the Compact process failure, you may come across the below error message when you try to Compact a Microsoft Access database that is unusable and unreadable:
Err Number 3049.
Err Desc: Cannot open database. It may not a be database that your application recognizes, or the file may be corrupt. Quit application?”

After the above error message, Compact process is terminated and the database remains unusable. You can not access your precious data from Microsoft Access database and face critical data loss situations. In order to get your valuable data back in such cases, you need to figure out the root of this problem and then recover Access database by fixing it.

Grounds of the problem:
As stated in the above error message, this behavior may take place due to corruption the Microsoft Access database. After corruption, application can not recognize the database and you come across database inaccessibility problems.
Access database corruption can be the outcome of various factors, such as virus infection, application malfunction, improper system shutdown, and user errors. You should maintain and update the backup of Access database to prevent data loss situations.

Resolution
In order to sort out this problem and repair access file, you should restore the database from current backup. Backup proves great help in all database corruption and data loss situations. However, if the backup is not updated or available at all, you need to use third-party applications to repair and restore damaged database using commercial applications.

The Access repair software helps you to methodically scan entire database and extract all inaccessible data from it. They have self-descriptive and interactive graphical user interface to ensure quick and easy recovery.

Repairing Access database after user quits application unexpectedly

Microsoft Office Access, a relational database management system, stores tables, queries, forms, reports and more inside a MDB or ACCDB file. The application is mostly put to use in a multiuser environment. In such cases, the MDB file is kept on a server which can be used by several users at anytime. A corrupt MS Access database is often the result of a user disconnecting from the application in an inappropriate manner. When one user commits a mistake, everyone else sharing the same .MDB file has to bear the burnt of it. Although taking corrective measures can help you address the issue, they do not always prove successful. Thus, you have to rely on third-party access repair utilities.

Consider a real-world scenario where your Access file is located on a file server and when you try and open it, you may receive the following error:

“The database 'database name.mdb' needs to be repaired or isn't a database file”

The message continues saying: “You or another user may have unexpectedly quit Access while a
Access database was open. Do you want Microsoft Access to attempt to repair the database.”

Cause
The above error can be witnessed in the following situations:

• If a user has unexpectedly quit the application, and .ldb file remains undeleted
• (Note: When you use an Access database, an .ldb (Locking Database) file is generated in the same folder or directory. This file is automatically deleted when the last user quits the application)
• If you are trying to open an Access file created with a newer version in an older version
• If Access file is corrupt.

Resolution
In order to ward off the issue and access the .MDB file, you can try following access database repair steps:

• Go to the folder where your database file is located, check for the .ldb file. If it is there, delete it and open the database file again
• Open the Access database file with the correct version
• Try and repair the corrupt file by using in-built repair utility: Open and Repair
• If you are still not able to tackle the situation,opt for an access database repair software.

Repairing corrupt Access 2010 (Beta) database when different number of records are displayed

Indexing in MS Access databases is a very convenient and efficient practice especially when you have a large database. Because of indexing, searching specific records is very easy as you just have to locate the index of that record thereby improving the performance of the database. However, sometimes the indexes do get corrupt due to various reasons like virus infections, simultaneous modifications from multiple users, abrupt system shutdown, etc. In such cases, you should perform appropriate corrective measures to rectify the problem. However, if you are unable to do so then you should use a third-party Access file repair software to repair Access file.

Consider a scenario wherein you are working on an Access 2010 (Beta) database table. You are quering the table to fetch some records. However, the number of records are getting displayed different every single time depending upon which clause you are using to sort them.

Cause:
The root cause of this situation is that the indexes of the table in the database have corrupted.

Resolution:
To resolve this situation, you should perform the following steps:

• Open the database and delete any relationships that this table has been involved in from the Relationships window. You can access the Relationships window by clicking Database Tools->Relationships on the Ribbon.
• Open the table in Design view.
• Open the Indexes box from the Table Tools option on the Ribbon.
• Save and close the table.
• Select the table in the Nav Pane.
• Copy and paste the contents using a new name and selecting Structure Only option.
• Create a query in the original table and check if the all records are displayed. Also, check if sorting is happening properly.
• Change the query to an Append query to be appended to the new table.
• Run the query.
• After confirming that all the data has bene copied in the new table, delete the old problem table.
• Compact the database to remove any kind of discrepancies that were caused by the problem table.
• Rename the new table as the name of the old table.
• Recreate all the indexes and relationships.

The aforementioned steps should resolve the issue and the table should function properly. However, if you are unable to resolve the issue then you should use a third-party Access database repair software to repair Access file.

Concurrent modifications lead to corruptions in Access 2003 database

MS Access is an RDBMS (Relational Database Management System) that is one of the simplest and flexible RDBMS. It is packaged with the MS Office product suite, thereby benefiting the users with its familiar look and feel of MS Office. Having said that, the Access database, too, can get corrupt due to various reasons such as virus infections, human errors, power outages, simultaneous modifications in the database, etc. In such situations, you should perform appropriate corrective measures to address the issue. However, if you are not able to do so then you should use a third-party Access database repair software to repair access database.

Consider a scenario wherein you are working on a shared Access 2003 database in your organization. In this database, you perform either of the following tasks:
Execute a query, a report, or a form
Modify and update records
Scroll through data in a corrupted database table

After performing the aforementioned tasks, you may encounter either or both the following error messages:

“Jet has stopped the process because you and another user attempted to change the same data at the same time.”
“#Error”

Cause:
The root cause of these error messages is that the database has corrupted. This may have happened because of concurrent modification of the database by multiple users.

Resolution:
To resolve this error and repair the corrupted Access database, you need to perform the following methods:
1.Take a backup of this database to avoid any further damage to it.
2.Create a new table and paste the structure of the problem database table in it.
3.Open both the tables.
4.In the problem table, copy the first record row.
5.Paste the copied record in the new table.
6.Repeat this process for all the records.
7.After moving all the records, create a new Access database and save it with a different name than the problem database.
8.Import the new table and other clean objects in the new database, and exit Access.
9.Delete the LDB file of the problem database.
10.Rename the new database as the problem database. This should solve the problem.

However, if the aforementioned method is not able to resolve the issue then you should use a third-party Access repair software to do so. Such read-only tools are able to repair Access database components using fast yet sophisticated scanning algorithms.

“Unexpected error 25012” Causes Database Corruption in Microsoft Access

Microsoft Access is a widely used database management system, which is the part of Microsoft Office suite of products, developed and marketed by Microsoft Corporation. Access stores all your significant data in the form of database, which is stored in MDB (Microsoft Access 2003 and earlier) and AccDB (Microsoft Office Access 2007) file formats. It is made up of several objects, which are assigned different tasks and work together to store and organize your data. The MS Access database objects are managed and controlled by Jet Database Engine. In case any of the database objects get damaged or become inaccessible, you may lose access to your database and come across critical database corruption situations. In such cases, you must repair Access database to extract data from it.
Sometimes when you try to open an Access database (either MDB or AccDB), the process fails and you come across the underwritten error message:

“Unexpected error 35012”

After this behavior, you cannot access the database and stored data from it. It leads to critical data loss situations. To gain access of your database in such cases, you need to find out the root of this issue and then perform Access database recovery by resolving it.

What causes 'Unexpected error 35012' in Microsoft Access?

This behavior occurs if one or more of the Microsoft Access database are corrupted. The most significant objects of Microsoft Access database include tables, reports, forms, macros, stored procedure, triggers, constraints, and more.

Access database objects may get damaged due to various reasons, such as virus infection, improper system shutdown, application malfunction, file system errors, operating system corruption, file header corruption, and Jet database engine errors.

How to fix 'Unexpected error 35012' in Microsoft Access?

Go through the below steps to sort out this issue:

• Create new Access database.
• Point to 'Get External Data' on File menu, and click Import.
• Exclude the corrupted objects while importing and restore them from backup.

If the above method cannot resolve your problem or you do not have a good backup, MDB recovery becomes need of hour. It is best possible using commercial database repair applications.
Access recovery software are particularly designed to scan whole database and restore all corrupted objects from it. They are incorporated with interactive and simple graphical user interface to offer easy recovery in all database corruption scenarios.

Repairing corrupt Access 2010 (Beta) database when different number of records are displayed

Indexing in MS Access databases is a very convenient and efficient practice especially when you have a large database. Because of indexing, searching specific records is very easy as you just have to locate the index of that record thereby improving the performance of the database. However, sometimes the indexes do get corrupt due to various reasons like virus infections, simultaneous modifications from multiple users, abrupt system shutdown, etc. In such cases, you should perform appropriate corrective measures to rectify the problem. However, if you are unable to do so then you should use a third-party Access file repair software to repair Access file.

Consider a scenario wherein you are working on an Access 2010 (Beta) database table. You are quering the table to fetch some records. However, the number of records are getting displayed different every single time depending upon which clause you are using to sort them.

Cause:
The root cause of this situation is that the indexes of the table in the database have corrupted.

Resolution:
To resolve this situation, you should perform the following steps:

• Open the database and delete any relationships that this table has been involved in from the Relationships window. You can access the Relationships window by clicking Database Tools->Relationships on the Ribbon.
• Open the table in Design view.
• Open the Indexes box from the Table Tools option on the Ribbon.
• Save and close the table.
• Select the table in the Nav Pane.
• Copy and paste the contents using a new name and selecting Structure Only option.
• Create a query in the original table and check if the all records are displayed. Also, check if sorting is happening properly.
• Change the query to an Append query to be appended to the new table.
• Run the query.
• After confirming that all the data has bene copied in the new table, delete the old problem table.
• Compact the database to remove any kind of discrepancies that were caused by the problem table.
• Rename the new table as the name of the old table.
• Recreate all the indexes and relationships.

The aforementioned steps should resolve the issue and the table should function properly. However, if you are unable to resolve the issue then you should use a third-party Access database repair software to repair Access file.