![]() ![]() XXX-XX-4320 function_parameters => DBMS_REDACT.REDACT_US_SSN_F5, The first example uses a predefined shortcut for character data type Social Security numbers, and the second example replaces the first five numbers with an asterisk ( *) while preserving the hyphens ( -) in between the numbers. The code on the right specifies how to redact the character data: it specifies the expected input format of the actual data, the format to use for the display of the redacted output, the start position at which to begin the redaction, the character to use for the redaction, and how many characters to redact. The displayed output for partial data redaction can be as follows:Ĭharacter data types: When partially redacted, a Social Security number (represented as a hyphenated string within a character data type) with value 987-65-4320 could be redacted so that it is displayed as shown in the following examples. To specify partial redaction, you must set the DBMS_REDACT.ADD_POLICY procedure function_type parameter to DBMS_REDACT.PARTIAL and use the function_parameters parameter to define the partial redaction behavior. If you want to redact columns containing string values of variable length, then you must use regular expressions, as described in "Using Regular Expressions to Redact Patterns of Data". Typically, you use this type of redaction for credit cards or ID numbers.īe aware that partial data redaction requires that your data width remain fixed. This type of redaction is useful for situations where you want it to be obvious to the person viewing the data that it was redacted in some way. You can set the position within the actual data at which to begin the redaction, the number of characters to redact starting from that position, and the redaction character to use. In partial data redaction, you redact portions of the displayed output. Here is how to type the copyright symbol in the iPhone.4.2 Using Partial Data Redaction to Redact Sections of Data Unlike PC, Black Squares are often used as an emoji on mobile phones, so you only need to find them in the emoji. How to type Black Square(sign) on phone(android or iphone)? Different platforms have designed different icons for these picture texts. These symbols are actually ideograms and smileys. Why does the same symbol(sign) appear differently on different platforms (Apple, Samsung, Twitter, Facebook)? Why do the same symbols correspond to different html codes?īecause different webpage encodings are used, all encodings can be displayed normally on webpages. There is no need to remember that because alt key does not seem so accurate always, copying is a more convenient method. How to use the keyboard to type Black Square(Alt key)? Select the Black Square tab in the Symbol window.įinding specific symbols in countless symbols is obviously a waste of time, and some characters like emoji usually can't be found.If you need to insert a Black Square in a web page, please copy the HTML-code corresponding to the Black Square in the above table.Ĭopy the Black Square in the above table (it can be automatically copied with a mouse click) and paste it in word, Or Some symbols, usually emoji, are not supported in word by default, because your system does not have the corresponding font installed, it is displayed as "tofu" this time. Symbols are displayed in different shapes on different platforms (operating systems, browsers, text editors, websites), so the same symbol (such as ⏱) in different browsers (such as Firefox and Google), different websites (facebook and twitter) ), different mobile phones (iphone and Samsung) display different shapes, these are normal. you can directly copy the Black Square in the above table. If you need to insert a Black Square in text, mail, or text message, facebook, twitter,etc. ![]() How to type Black Squares?ĭifferent operating systems, different text editors, different ways to type Black Squares, usually we do not need to remember how to type the Black Square(sign), just copy it when needed. It depends on your browser, some browsers support editing these symbols, some browsers do not support. Some symbols have not changed when I adjust, why?
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