Character comparison is based on the numerical codes of the characters in the database character set and is performed on whole strings treated as one sequence of bytes, rather than character by character. If the value returned by this function is character data, then its data type is VARCHAR2...
The GREATEST function returns the largest expression in a list of expressions. All expressions after the first are implicitly converted to the data type of the first expression before the comparison. To retrieve the smallest expression in a list of expressions, use LEAST. Return Val...
GREATEST returns the greatest of a list of one or more expressions. Oracle Database uses the first expr to determine the return type. If the first expr is numeric, then Oracle determines the argument with the highest numeric precedence, implicitly converts the remaining arguments to that data t...
create or replace function lrm_fun_greatest(v_str1 in varchar2,v_str2 in varchar2,v_str3 in varchar2 default ' ',v_str4 in varchar2 default ' ',v_str5 in varchar2 default ' ',v_str6 in varchar2 default ' ',v_str7 in varchar2 default ' ',v_str8 in...
(2,1): 2 GREATEST('2',1,0): 2 GREATEST('a','b','c'): c GREATEST('a', NULL, 'c'): NULL GREATEST('2014-05-15','2014-06-01'): 2014-06-01 1 row in set obclient> SELECT GREATEST(2); ERROR 1582 (42000): Incorrect parameter count in the call to native function '...
The greatest function can be used to compare any type of data, including strings and objects. For example, if you want to find the longest string in a set of strings, the greatest function can be used to return the longest string. It can also be used to find the most valuable object ...
The SQL GREATEST function returns the“greatest” or largest value in a set of valuesthat you provide to it. The SQL LEAST function returns the“least” or smallest value in a set of valuesthat you provide to it, and it’s the opposite of the GREATEST function. ...
Greatest function Posted by:Kearney Crochet Date: September 25, 2020 03:42PM Why is 'B' "greatest" over 'abcdefghijklmnopqrstuvwxyz' but 'A' is not? select greatest('abcdefghijklmnopqrstuvwxyz', 'B') as bigol; vs select greatest('abcdefghijklmnopqrstuvwxyz', 'A') as bigol;...
Appendix C inOracle Database Globalization Support Guidefor the collation determination rules, which define the collationGREATESTuses to compare character values forexpr, and for the collation derivation rules, which define the collation assigned to the return value of this function when it is a chara...
Greatest function Posted by:Kearney Crochet Date: September 25, 2020 03:42PM Why is 'B' "greatest" over 'abcdefghijklmnopqrstuvwxyz' but 'A' is not? select greatest('abcdefghijklmnopqrstuvwxyz', 'B') as bigol; vs select greatest('abcdefghijklmnopqrstuvwxyz', 'A') as bigol;...