Question

What do you mean by relational database? How will you create relationship between tables??​

Answer 1

ɪɴ ᴀ ʀᴇʟᴀᴛɪᴏɴᴀʟ ᴅᴀᴛᴀʙᴀsᴇ, ᴇᴀᴄʜ ʀᴏᴡ ɪɴ ᴛʜᴇ ᴛᴀʙʟᴇ ɪs ᴀ ʀᴇᴄᴏʀᴅ ᴡɪᴛʜ ᴀ ᴜɴɪϙᴜᴇ ɪᴅ ᴄᴀʟʟᴇᴅ ᴛʜᴇ ᴋᴇʏ. ᴛʜᴇ ᴄᴏʟᴜᴍɴs ᴏғ ᴛʜᴇ ᴛᴀʙʟᴇ ʜᴏʟᴅ ᴀᴛᴛʀɪʙᴜᴛᴇs ᴏғ ᴛʜᴇ ᴅᴀᴛᴀ, ᴀɴᴅ ᴇᴀᴄʜ ʀᴇᴄᴏʀᴅ ᴜsᴜᴀʟʟʏ ʜᴀs ᴀ ᴠᴀʟᴜᴇ ғᴏʀ ᴇᴀᴄʜ ᴀᴛᴛʀɪʙᴜᴛᴇ, ᴍᴀᴋɪɴɢ ɪᴛ ᴇᴀsʏ ᴛᴏ ᴇsᴛᴀʙʟɪsʜ ᴛʜᴇ ʀᴇʟᴀᴛɪᴏɴsʜɪᴘs ᴀᴍᴏɴɢ ᴅᴀᴛᴀ ᴘᴏɪɴᴛs.

Answer 2

Answer:

A relational database is a type of database that stores and provides access to data points that are related to one another.

To create a relationship between a table and itself, add that table two times. Drag the field that you want to relate from one table to the related field in the other table. To drag multiple fields, press Ctrl, click each field, and then drag them