![]() In the above example, we have performed the following IF-THEN-ELSE logic statements and then ordered the entire result set by college_id.Ĭode: IF college_name = 'Massachusetts Institute of Technology'ĮLSE IF college_name = 'California Institute of Technology' 'MIT','California Institute of Technology','CalTech','IIT') as college_name SQL query to illustrate abbreviation of college names based on the available data using DECODE function.Ĭode: SELECT college_id, DECODE(college_name,'Massachusetts Institute of Technology', Simple illustration of above mentioned DECODE function is as follows: In this example, we have performed a simple SQL task for categorizing colleges based on their location. ![]() Simple SQL query to illustrate use of DECODE function.ĭECODE (college_id, 10003,'Massachusetts, USA', ![]() The data in the “college_details” table after performing the above mentioned INSERT operations looks something as shown below: INSERT INTO college_details VALUES (10003, 'Massachusetts Institute of Technology', 'Massachusetts,India', 51520) select * from college_details INSERT INTO college_details VALUES (10004, 'California Institute of Technology', 'California ,USA', 60520) INSERT INTO college_details VALUES (10002, 'Indian Institute of Technology Bombay', 'Mumbai,India', 10000) We can use the following insert statements.Ĭode: INSERT INTO college_details VALUES (10001, 'Indian Institute of Technology Roorkee', 'Roorkee,India', 10000) Having created the table, let us now input some random data in it to work with in the subsequent exercises. We can use the following SQL CREATE TABLE statement to perform the task.Ĭollege_name character varying(255) NOT NULL,Ĭollege_location character varying(255) NOT NULL, Let us first create a ‘college_details’ table which contains college id, college name, location and fees for demonstration purposes. The simple illustration of the above mentioned decode function is as follows: The functionality of DECODE in ORACLE with following flowchart. And it finally converts back the data_type of result to the data_type of the expression. The DECODE function automatically converts or casts the expression to the data type of the first search argument or search_1. If it’s FALSE then DEFAULT value is returned. Send us feedback about these examples.The first step is comparison of expression and search_1, if the expression = search_1 is TRUE then result_1 is returned. These examples are programmatically compiled from various online sources to illustrate current usage of the word 'decode.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. 2022 The seemingly simple conversational setup for the paralyzed man is enabled by both sophisticated neurotech hardware and machine-learning systems that decode his brain signals. 2023 Right now projects are underway to attempt to use software to decode the communications of whales and perhaps even to speak to them. ![]() Patrick Honner, Quanta Magazine, 23 Jan. 2022 Now the strategy is straightforward: Solve the system, determine the line and decode the message. 2022 Can’t decode your own chicken scratch? - Danielle Directo-meston, The Hollywood Reporter, 5 Jan. 2023 None of them could decode the whole thing. 2023 By sending a request to the logon.aspx or default.aspx files that includes code written in C#, Frebniis will automatically decode it and execute it in memory. 2022 Big John, John B, and Sarah decode an important message about El Dorado using the Gnomon, but Singh arrives to try and steal it. Recent Examples on the Web Tennessee’s winning formula this year isn’t hard to decode, with QB Hendon Hooker directing a high-octane aerial attack that could regain the services of WR Cedric Tillman following an ankle procedure.
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