> 原文:[https://www . geesforgeks . org/SQL-general-functions-nvl-nvl 2-decode-join-null if-lnnvl-nanvl/](https://www.geeksforgeeks.org/sql-general-functions-nvl ...
PL/SQL-JSON implements encoding and decoding JSON in a PL/SQL environment. Using the objects json_object and json_array allows to compose and parse JSON. A performance test is avilable in the ...
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