There are several errors that can occur from the design and construction of a database. How these can be avoided depends mostly depends on the type of error and also how large it is.
The first and most common error that occurs from trying to design a database is inserting the incorrect information in the database during the initial design process. This is quite a serious error to occur because it will result in the database giving you the wrong data when you need it. The only way to avoid this is to take extreme care when inputting the data into the system in the first place. Double and triple check all the information that you put into the system. Human error is often considered to be the biggest cause of wrong information input and although the error may seem small, the repercussions of it could be huge.
Another error is incorrect normalisation of the data can lead to an unwanted duplication of the data which can result in either small or huge data anomalies. Also, using incorrect types of data or indeed any incorrect input of data can input the system's ability to create queries.
Here are some other errors that could occur when it comes to the design and construction of a database. The accidental deleting of fields, tables or rows could have a series implication on the results that are given from the database. The way to avoid this error is simple. Just take care not to delete any rows, tables or fields and if you do then you can always hit the undo button as soon as it happens. Before you save any work, you should always check that everything is in its right place and that nothing has disappeared. If you use an incorrect method to re name any fields, rows, tables or columns then this could impact on the relationship of the data, resulting in incorrect data being given back to you.
The first and most common error that occurs from trying to design a database is inserting the incorrect information in the database during the initial design process. This is quite a serious error to occur because it will result in the database giving you the wrong data when you need it. The only way to avoid this is to take extreme care when inputting the data into the system in the first place. Double and triple check all the information that you put into the system. Human error is often considered to be the biggest cause of wrong information input and although the error may seem small, the repercussions of it could be huge.
Another error is incorrect normalisation of the data can lead to an unwanted duplication of the data which can result in either small or huge data anomalies. Also, using incorrect types of data or indeed any incorrect input of data can input the system's ability to create queries.
Here are some other errors that could occur when it comes to the design and construction of a database. The accidental deleting of fields, tables or rows could have a series implication on the results that are given from the database. The way to avoid this error is simple. Just take care not to delete any rows, tables or fields and if you do then you can always hit the undo button as soon as it happens. Before you save any work, you should always check that everything is in its right place and that nothing has disappeared. If you use an incorrect method to re name any fields, rows, tables or columns then this could impact on the relationship of the data, resulting in incorrect data being given back to you.
