How to use case in select statement
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How to use case in select statement in plsql Date:
21.09.2016, 18:56 In this article we'll take a look at the powerful CASE statement, shining light on its utility and usefulness in everyday data-driven Web sites. Read on to learn more! - continued - CASE Basics All programming languages contain conditional statements to allow program flow to be altered based on the result of some conditional statement, the simplest form of a conditional statement. For example, imagine that you wanted to do some different action based on the hour of the day. If a different action was performed for each hour of the day, you would end up having 24 If/ElseIf statements like so: If Hour(Now With CASE you can easily group data into various ranges, you can beautify the results of a SQL query, and can allow for dynamic sorting of the query's results. CASE statements can also be used to give subtitles to ROLLUP and CUBE queries, and can be used in computed columns to boot. By Scott Mitchell Introduction As developers creating data-driven Web applications, we've all written more than our fair share of SQL statements. If I had a nickel for every SELECT statement or UPDATE statement I've written in my six years as a Web developer, I'd be a rich man.
Despite the familiarity with SQL that many Web developers have, one of the lesser known SQL tools is the. CASE statement. The CASE statement is a wily little fellow that can be added to both the SELECT portion of a SELECT statement as well as the ORDER BY portion. other Oracle statspack report generation 29.09.2017, 06:45
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