Detailed explanation of oracle substr function usage
Oracle's SUBSTR function is a function used to extract substrings from a string. This topic provides articles related to oracle substr, which you can read for free.
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Detailed explanation of oracle substr function usage
Detailed explanation of oracle substr function usage
Oracle substr function usage: 1. To extract the entire string, you can set start_position to 1 and length to the string length; 2. To extract the substring, you can specify the values of start_position and length; 3. To extract the substring starting from the specified position For strings, you can set the length value to the length of the string minus start_position plus 1; 4. Extract the last few characters; 5. Extract the substring from the specified position to the end of the string, etc.
Aug 04, 2023 pm 03:49 PM
What is the usage of substr in oracle
In Oracle, the substr() function is used to intercept strings. Setting the function parameters can specify the length of the intercepted string and the interception position. The syntax is "substr(string string,int a,int b)" or "substr(string string, int a)".
Mar 01, 2022 pm 05:01 PM
Oracle substr函数用法
Oracle substr函数用法取得字符串中指定起始位置和长度的字符串 substr( string, start_position, [ length ] )；substr(字符串,
Jun 07, 2016 pm 05:34 PM
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