Nektarios

I am total new in Delphi. I have read some books about creating applications using simple VCL components. I want to create a database app (using TDBGrid ?) form scratch. I downloaded Delphi 12. How can I make DBGrid work like Excel ? I want the user to enter the data in the grid and then on another form if she/he search for something the program should return a result from a record file. If she/he close the app and opens it again she/he could see that the machines she/he entered are there. All the videos, tutorials, books are assuming that there is a database file created in Microsoft Access or something like that. I don't want that. I want the user to create and manipulate the data by using my app only. Is the solution a .dat file ? Example: Name | Power (kW) | Manufacturer | Year of installation Machine 1 | 5 | Apple | 2015 Machine 2 | 3 | Seagate | 2019 Machine 3 | 2 | Microsoft | 2022 Machine 4 | 3 | Apple | 2018 Machine 5 | 1 | Seagate | 2019 Machine 6 | 3 | Apple | 2023 To read data in another form i want the user to ask for something (example: Machinery installed after 2021) and to display it in another table. Name | Power (kW) | Manufacturer | Year of installation Machine 3 | 2 | Microsoft | 2022 Machine 6 | 3 | Apple | 2023 Finally, are there any books I can read about databases in Delphi, without using 3d party software like Microsoft Access ?