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How to use the decode function

The decode function is used to convert a byte stream or byte array into a string. If you want to know more about the decode function, you can read the article below this topic.

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time：2023-11-21 13:53:22

Detailed introduction and usage of decode function This article mainly introduces examples of how to use the decode function in Oracle. It is quite good. I hope you can master the use of the decode function after learning it. Let's take a look together.
What is the usage of Oracle's decode function?The usage of Oracle's decode function is: 1. Basic usage, simple conditional judgment based on a conditional field; 2. Multi-conditional judgment, returning different results based on multiple conditions; 3. Nested DECODE function, nesting the DECODE function Use it to achieve more complex conditional judgment and result return; 4. Use it in combination with other SQL statements: Use the DECODE function in combination with other SQL statements (such as WHERE clause) to achieve more flexible data query and processing, etc.
Detailed introduction to the use of json_decode function in php This article brings you a detailed introduction to the use of the json_decode function in PHP. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.
How to use php session_decode function The php session_decode function is used to decode session data. Its syntax is bool session_decode (string $data), and the parameter data is the encoded data.
How to solve the Chinese garbled characters of json_decode function in PHP?Solution to the Chinese garbled code of the json_decode function in PHP: 1. Use the function "urldecode()" to decode the data, and then perform JSON decoding after decoding. The function of its function is to decode the encoded URL string; 2. When encoding JSON , just don’t encode Chinese.

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