真是一大享受~~~
SQL - DECODE Function | 1Keydata - 1Keydata - Free Online Programming Tutorials真是一大享受~~~!!The 1Keydata SQL Tutorial teaches beginners the building blocks of SQL. This section explains the DECODE function in Oracle. ... SQL > Advanced SQL > DECODE Function DECODE is a function in Oracle and is used to provide if-then-else type of logic to ......
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