First of all, to answer the first question, importing a tape into a computer requires a "video capture card", which is commonly known in the industry as 1394 board. According to different industries, different uses and different prices.

Most families use video capture cards of sound and shadow series, and the price ranges from several hundred to several thousand yuan. For weddings and using small DV, it is recommended to use a card of around 1 1,000 yuan, which I can afford.

Data management system:

Data management system greatly expands the ability of data analysis. Data management system (DMS) can collect data from multiple data sources and systems, and integrate all kinds of data in its own data warehouse into the standard format of software.

Data management system (DMS) can collect data from multiple data sources and combine these data into a subgroup for analysis. Connectable data sources supported by data management system (DMS) include OPC, WonderwareLive data table, OLE database, GEiHistrian and grid data sources (that is, data obtained from RS232, TCP/IP and data files).