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DECODE compares expr to each search value one by one. If expr is equal to a search , then Oracle Database returns the corresponding result .

2015年9月2日 — hi ,. i am trying to use the decode function like this. SELECT decode(:p_group_by_value, 2,rl.group_code , 3,r.relative_code , 4,r.

3 天前 — In Oracle, DECODE function allows us to add procedural if-then-else logic to the query. DECODE compares the expression to each search value one ...

2023年4月4日 — The DECODE function automatically converts or casts the expression to the data type of the first search argument or search_1. Decode in SQL ...

The DECODE function returns a value that is the same datatype as the first result in the list. If the first result is NULL, then the return value is converted ...

The DECODE() function returns a value with the data type of the first result (r1, r2, .. rn or d) argument. Note. You can use expressions for the search (s) ...

2023年6月1日 — If both expression and search are character types, then a character comparison is used and the returned value is a VARCHAR2 data type. If the ...

2010年10月4日 — the decode function result has the datatype of the third parameter. In the first case, since no datatype is specified for NULL , the default ...

2019年10月24日 — The DECODE function returns a value that is the same datatype as the first result in the list. If the first result is NULL, then the return ...