• SQL

    Compound Searching Using The SQL WHERE Statement With The IN Operator

    One of the most important aspects of searching for objects is to be able to define multiple values in a search. We looked at searching using text globbing. But the IN operator goes a step and allows you to search The IN operator allows you to specify multiple values in a WHERE clause. SELECT column FROM table WHERE column IN (value,value,...); In this article, we’ll use the same “Customers” table from our first articles: ID Site Contact Address City Zip Country 1 Krypted Charles Edge my house Minneapolis 55418 US 2 Apple Tim Cook spaceship Cupertino 95014 US 3 Microsoft Satya Nadella campus Redmond 98053 US 4 Facebook Mark Zuckerberg…

  • Mac OS X,  Mac OS X Server,  Mac Security,  Unix

    Using the cut Command

    A number of commands available for finding positions that you want in a line and extracting only a certain amount of text can be pretty cumbersome in terms of learning curve. This isn’t to say that once you get the hang of them that they’re terribly complicated but it can take a little while to get the hang of them. And when you need something fast, you might want an easy command for extracting text from lines. In these cases, consider cut. The cut command doesn’t do regular expressions (I guess you could argue that its ability to use a delimiter can be used as a regular expression) and so…