Question

which rule enable you to update all the related foreign key values if you modify the primary key value​

Answer 1

Answer:

sᴇᴛᴛɪɴɢ ᴛʜᴇ sᴛᴀɢᴇ

ᴡʜᴇɴ ᴅᴇᴄɪᴅɪɴɢ ᴡʜᴇᴛʜᴇʀ ᴀ ᴘᴋғᴋ ᴍᴜsᴛ ʙᴇ ᴄʜᴀɴɢᴇᴅ ᴛʜᴇ ғɪʀsᴛ sᴛᴇᴘ ɪs ᴛᴏ ᴇᴠᴀʟᴜᴀᴛᴇ ᴛʜᴇ ᴅᴀᴛᴀ ᴄᴏɴᴛᴇɴᴛ ᴏғ ᴛʜᴇ ᴋᴇʏ. ɪғ ɪᴛ’s ᴀ ɴᴜᴍᴇʀɪᴄ ᴠᴀʟᴜᴇ ᴡʜɪᴄʜ ᴏɴ ɪᴛs ᴏᴡɴ ᴏʀ ɪɴ ᴄᴏʀʀᴇʟᴀᴛɪᴏɴ ᴡɪᴛʜ ᴏᴛʜᴇʀ ɪᴛᴇᴍs ᴡɪʟʟ ɴᴏᴛ ɪᴅᴇɴᴛɪғʏ ᴀ ᴘᴇʀsᴏɴ ᴏʀ ᴅɪsᴄʟᴏsᴇ ᴄᴏʀᴘᴏʀᴀᴛᴇ ᴄᴏɴғɪᴅᴇɴᴛɪᴀʟ ɪɴғᴏʀᴍᴀᴛɪᴏɴ ᴛʜᴇ ᴀʀɢᴜᴍᴇɴᴛ ᴄᴀɴ ʙᴇ ᴍᴀᴅᴇ ᴛᴏ ʟᴇᴀᴠᴇ ɪᴛ ᴀs ɪᴛ ɪs.

sᴏᴍᴇᴛɪᴍᴇs ᴡᴇ ʜᴀᴠᴇ ɴᴏ ᴏᴘᴛɪᴏɴ ᴏᴛʜᴇʀ ᴛʜᴀɴ ᴛᴏ ᴄʜᴀɴɢᴇ ᴛʜᴇ ᴘʀɪᴍᴀʀʏ ᴋᴇʏ ᴀɴᴅ ɪᴛs ᴀssᴏᴄɪᴀᴛᴇᴅ ғᴏʀᴇɪɢɴ ᴋᴇʏ ɪᴛᴇᴍs. ᴛʜɪs ɪs ᴍᴏsᴛ ʟɪᴋᴇʟʏ ʙᴇᴄᴀᴜsᴇ ᴛʜᴇ ᴋᴇʏ ᴠᴀʟᴜᴇ ᴄᴏɴᴛᴀɪɴs ᴘɪɪ ᴅᴀᴛᴀ, ғᴏʀ ɪɴsᴛᴀɴᴄᴇ ɪᴛ’s ᴀ sᴏᴄɪᴀʟ sᴇᴄᴜʀɪᴛʏ ɴᴜᴍʙᴇʀ. ɪᴛ ᴍᴀʏ, ᴀs ᴀɴᴏᴛʜᴇʀ ᴇxᴀᴍᴘʟᴇ, ᴄᴏɴᴛᴀɪɴ ᴀ ғᴀᴍɪʟʏ ɴᴀᴍᴇ sᴜᴄʜ ᴀs “sᴍɪᴛʜ12345”.

ʜᴏᴘᴇ ᴛʜɪs ᴡɪʟʟ ʜᴇʟᴘ ᴜʜʜʜʜʜ☺☺

ғᴏʟʟᴏᴡ ᴍᴇ ᴘʟᴇᴀsᴇ