Software Applications Programming Errors and solutions.

Below is some details or example what is the use of 'CACHE' ,'NO CACHE' option in sequence 1.Suppose cache is 10 so it will store the next 10 values in advance and that time it some issue happenes with database .we will lose that stored values 2.Values will be fetched from memory by pre-generating them to reduce I/O 3.Cache in sequence specifies that how many values will be stored in memory for faster access,It's default value is 20.

Difference between view and Materialized view  (i) View will not store any data,whereas Materialized View will store data. (ii)View is used for security purpose and Materialized View for performance. (iii) view is not accessible if base table is dropped, whereas in Materialized View it can still be accessible. (iv) Can perform DML operation directly on view but it Materialized View its not possible. Define Long Column LONG columns cannot be in the SELECT clause when using the UNION set operators. There are some restrictions for long columns like.  (i) It cannot appear in where clause. (ii) Indexes cannot be created on them. (iii) It cannot appear in Group by,order by, or connect by clauses or with the distinct operator in select statements.

If you are facing following error which Database space error on Sql server for ERP. "The database reported (session 2 (-AOS-)): Database space problem - 'AX2009_Test' is out of space" Then you can do following to resolve this error. 1. Clean unwanted file from c drive or other drive where database stored. 2. Shrinking database log and data files can also help to free some space. 3. If you database size growing fast then increase hard drive volume or move database to other drive. 4. Clean log files which is bigger size. 5. Use disk cleanup tool. 6. You can Shrink other database which is not related to ERP.

To get SQL Database Backup Restore History you can execute below code using msdb database. This table resides in msdb database. SELECT [rs].[destination_db], [rs].[restore_date], [bs].[backup_start_date], [bs].[backup_finish_date], [bs].[database_name] as [source_db], [bmf].[physical_device_name] as [backup_file_used_for_restore] FROM msdb.restorehistory rs INNER JOIN msdb.backupset bs ON [rs].[backup_set_id] = [bs].[backup_set_id] INNER JOIN msdb.backupmediafamily bmf ON [bs].[media_set_id] = [bmf].[media_set_id] ORDER BY [rs].[restore_date] DESC

Problem : I have faced one issue which was access denied type error . I am able to take Backup manually but when I am trying to set it through maintenance job then its show below Error. Executing the query "EXECUTE testDB.dbo.xp_create_subdir N'D:\DBBackup..." failed with the following error: "xp_create_subdir() returned error 5, 'Access is denied.'". Possible failure reasons: Problems with the query, "ResultSet" property not set correctly, parameters not set correctly, or connection not established correctly. Solution :.I resolved above error by providing full right for user everyone to folder DBBackup.  To give rights to folder you can follow steps as below. 1.Select folder Properties and select the Tab Security 2.Now click Add buton then click on Advanced button. 3.Then click Find Now and select Everyone then click ok.

Problem Getting Error during setting SQL Maintenance plan wizard setting. " Creating an instance of the COM component with CLSID {AA40D1D6-CAEF-4A56-B9BB-D0D3DC976BA2} from the IClassFactory failed due to the following error: c001f011. (Microsoft.SqlServer.ManagedDTS)" Solution : This type of error comes due to t the unregistered COM in dts.dll which is located in in command line change directory and path of dll file is  C:\Program Files\Microsoft SQL Server\100\DTS\Bin You can run the following from the command line to resolve this error: REGSVR32.EXE dts.dll Then you need to disconnect from management studio and reconnect, it again then set SQL Maintenance plan wizard again it should work. I hope this will solve to come out from your troubleshooting.

Mostly we face space issue in C drive . How to handle disk space issue on C drive? Following are the steps you can use to free some space in c drive. 1. Go to event viewer and clean all logs. 2. Use disk cleanup properties on c drive to clean unwanted logs. 3. Clean CBS log file at C:\Windows\Logs\CBS folder. 4. Go to %userprofile%\desktop folder and transfer all files to other drives. 5. Set virtual memory to other drive instead of more on c drive. 6. Uninstall unwanted program from control panel ->Program and features. 7. Clean temporary folder from internet explorer. 8. You can use ccleaner software to clean logs. 9. Empty Recycle bin folder. 10. Find duplicate files and delete it.