What is CHR value of Oracle?
The Oracle CHR() function converts an ASCII code, which is a numeric value between 0 and 225, to a character. The Oracle CHR() function is the opposite of the ASCII() function.
What is CHR 26 in Oracle?
And ASCII to get the code for a given character. So you can replace instances of chr ( 26 ) with an apostrophe or whatever: select ascii ( ‘ ‘ ) space, ascii ( ”” ) apostrophe, replace ( ‘Space to apostrophe’, chr ( 32 ), chr ( 39 ) ) str from dual; SPACE APOSTROPHE STR 32 39 Space’to’apostrophe.
What is Vsize function in Oracle?
Purpose. VSIZE returns the number of bytes in the internal representation of expr . If expr is null, then this function returns null. This function does not support CLOB data directly. However, CLOB s can be passed in as arguments through implicit data conversion.
What does the Oracle length () function return?
The Oracle LENGTH () function returns the number of characters of a specified string. It measures the length of the string in characters as defined by the input character set.
What is the string to return the length for?
The string to return the length for. string1 can be CHAR, VARCHAR2, NCHAR, or NVARCHAR2. string1 can not be CLOB or NCLOB. The LENGTHC function returns a numeric value.
How do I calculate the length of a string in Oracle?
If the string_expression is NULL, the LENGTH () function returns NULL. If the string_expression is CHAR data type, its length will include all leading and trailing blanks. The following statement uses the LENGTH () function to calculate the number of characters of the string ‘Oracle LENGTH’ using a single-byte database character set:
What is the return value of lengthb function?
The return value is of datatype NUMBER. If char has datatype CHAR, then the length includes all trailing blanks. If char is null, then this function returns null. Restriction on LENGTHB The LENGTHB function is supported for single-byte LOBs only.