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3 Ιαν 2013 · You can just include null as a recognised value in your decode: col scr new_value script. set term off. set verify off. select decode('&partitions', null, 'CreateTables', 'CreateTablesPartitions') as scr from dual; set term on.
1 Ιουν 2023 · Oracle DECODE Function with NULL Values. As I mentioned above, the Oracle DECODE function is an exception to other functions in how it handles NULL values. It treats a NULL expression and NULL search as equal (so NULL == NULL). So, this example will return 1: SELECT DECODE(NULL, NULL, 1, 0) FROM DUAL;
Oracle DECODE() function and NULL. NULL cannot be compared to anything even NULL. However, DECODE() function treats two null values are being equal. The following statement returns the string Equal: SELECT DECODE (NULL, NULL, 'Equal', 'Not equal') FROM dual; Code language: SQL (Structured Query Language) (sql)
28 Ιαν 2008 · e.item_number = decode ( ' {@parameter_name}', null, e.item_number, to_number ( ' {@parameter_name}' ) ) and why is it not the same as: if ( ' {@parameter_name}' is null then, e.item_number = e.item_number (or a no-op) else. e.item_number = to_number ( ' {@parameter_name}' ) end if.
Purpose. DECODE compares expr to each search value one by one. If expr is equal to a search, then Oracle Database returns the corresponding result. If no match is found, then Oracle returns default. If default is omitted, then Oracle returns null.
Purpose. DECODE compares expr to each search value one by one. If expr is equal to a search, then Oracle Database returns the corresponding result. If no match is found, then Oracle returns default. If default is omitted, then Oracle returns null.
14 Ιουν 2007 · How can I check if a field is not null in a decode statement. select decode(field1, not null, 'Y', 'N')
