SQL Server SUBSTRING() Function
- Extract 3 characters from a string, starting in position 1: SELECT SUBSTRING('SQL Tutorial', 1, 3) AS ExtractString;
- Extract 5 characters from the "CustomerName" column, starting in position 1:
- Extract 100 characters from a string, starting in position 1:
Likewise, people ask, what is Substr in Oracle?
The SUBSTR functions returns the specified number (substring_length) of characters from a particular position of a given string. SUBSTRB uses bytes instead of characters. If the position is positive, then Oracle Database counts from the beginning of char to find the first character.
Beside above, how do I get the first 3 characters of a string in SQL?
You can use LEN() or LENGTH()(in case of oracle sql) function to get the length of a column. SELECT LEN(column_name) FROM table_name; And you can use SUBSTRING or SUBSTR() function go get first three characters of a column.
How do I find a specific word in a string in Oracle?
The Oracle/PLSQL REGEXP_INSTR function is an extension of the INSTR function. It returns the location of a regular expression pattern in a string. This function, introduced in Oracle 10g, will allow you to find a substring in a string using regular expression pattern matching.
How do substring () and substr () differ?
substring() The difference is in the second argument. The second argument to substring is the index to stop at (but not include), but the second argument to substr is the maximum length to return. Moreover, substr() accepts a negative starting position as an offset from the end of the string.