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13 lis 2019 · The MySQL DECODE () function returns empty strings if the encoded string is an empty string. The DECODE () function accepts two parameters which are the encoded string to be decoded and the password string to decode the encoded string. Syntax:
DECODE allows you to compare a value to a set of possible values and return a corresponding result when a match is found. It is often used for data transformation, simplifying complex CASE statements, and providing concise value substitution based on specific conditions.
Introduction to SQL DECODE() function. The SQL DECODE() function allows you to add procedure if-then-else logic to queries. Let’s see the following example: SELECT DECODE (1, 1, 'Equal'); Code language: SQL (Structured Query Language) (sql) In this example, the DECODE() function
8 sie 2023 · DECODE() function . MySQL DECODE() function decodes an encoded string and returns the original string. Syntax: DECODE(crypt_str, pass_str); Arguments:
11 wrz 2019 · DECODE(value, search_value, result, default_value) compares value with search_value. If the values are equal, DECODE() returns result, otherwise default_value is returned. DECODE() allows you to perform if-then-else logic in SQL without having to use PL/SQL.
6 sie 2024 · The example below shows how to use the DECODE() function to transform the department_id into the actual names. -- Using DECODE to transform department_id to department_name SELECT . employee_id, . first_name, . last_name, . DECODE (department_id, 1, 'IT', 2, 'HR', 3, 'Finance', 4, 'Marketing', 5, 'Sales', 'Unknown') AS department_name, . salary,
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