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If the data is being persisted in a modern database then Change Data Capture is a simple matter of permissions. Two techniques are in common use: Tracking changes using database triggers; Reading the transaction log as, or shortly after, it is written. If the data is not in a modern database, CDC becomes a programming challenge.
Data can then be retrieved by the person operating the logging program. A keystroke recorder or keylogger can be either software or hardware . While the programs themselves are legal, [ 3 ] with many designed to allow employers to oversee the use of their computers, keyloggers are most often used for stealing passwords and other confidential ...
A command-line interface is a means of interacting with a computer program where the user issues commands to the program by typing in successive lines of text (command lines). MySQL ships with many command line tools, from which the main interface is the mysql client. [125] [126]
The read function accepts an expression from the user, and parses it into a data structure in memory. For instance, the user may enter the s-expression (+ 1 2 3), which is parsed into a linked list containing four data elements. The eval function takes this internal data structure and evaluates it. In Lisp, evaluating an s-expression beginning ...
Tab-separated values (TSV) are used for exporting and importing database or spreadsheet field values. Text divided into fields delimited by tabs can often be pasted into a word processor and formatted into a table with a single command. For example, in Microsoft Word 2010, Insert > Table > Convert Text to Table... is the necessary command ...
Finance data for any company valued on the stock exchange, including the current value of a company and their increase or decrease percentage. A graph shows the trends of each company over time, with a green graph showing positive growth and a red graph showing a decline.