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What is the name of The rules that ensure that data in related tables is not accidentally deleted or changed?
Wiki User
∙ 14y ago
Constraints.
Wiki User
∙ 14y ago
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What is referential?
Referential Integrity is a set of rules that a DBMS (Database management system) follows to ensure that there are matching values in the common field used to create the relationship between related tables and that protects the data in related tables to make sure that data is not accidentally deleted or changed.
Explain how records and related records are deleted to ensure the integrity and consistency of the database is maintained?
Do it yourself. P.S Im a BTEC National Teacher.
Why computer misuse act is important?
It is important because... We need the act in order to ensure that our work is safe from hackers and in order to keep our private files are not deleted changed or filled with viruses.
How are records and related records deleted to ensure that the integrity and consistency of the database is maintained?
hows the btec national going..... by the way you cant get away with copy and pasteing....ps: this is unit 5 of the btec natinal (soft-dev )
Why is it important to save a spreadsheet?
If you don't save it you will lose all your work.
How would you ensure that an email is deleted?
Clear it from your 'deleted' folder - HOWEVER... For legal reasons ALL email providers MUST retain sent and received emails for a statutory length of time - therefore, although YOU have deleted the email - it is still held in the archive section on the mail server ! Additionally - EVERY email into and out of the UK is stored by GCHQ !
What did Hammurabi do to ensure that his laws were never changed?
He made his scribes to write the laws on stone.
Which option needs to be selected so that locked cells and objects cannot be changed?
Turn protection on. If you want to ensure nothing is changed, add a password.
How should firearms transported in a boat?
To transport firearms in a vessel, firearms should be unloaded with the safety on and in a gun case. This will ensure that guns do not go off accidentally.
How should firearms be transported in a vessel?
To transport firearms in a vessel, firearms should be unloaded with the safety on and in a gun case. This will ensure that guns do not go off accidentally.
Why has the company ByTheOwner changed its name recently?
The company 'ByTheOwner' changed it's name recently to 'ComFree'. They did this to improve their brand image and ensure it reflects that their services are free of charge.
Why is water not coming out of sink and tub in bathroom but flowing in other areas after shutoff for repairs outside?
You need to check "repairs outside" to ensure they did not accidentally plug this drain up.
