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Target customers: developers, analysts, and users who want to process data of complex data types or improve the efficiency of processing data of complex data types. Features released: A large number of built-in functions are added to MaxCompute SQL to improve the capability and efficiency of processing data of complex data types, including ARRAY, MAP, and STRUCT. You can use the built-in functions to process input data of complex data types or generate output data of complex data types. In addition, MaxCompute SQL provides higher-order functions to enhance the capability to process data of complex data types. The input parameters of a common function must be data. The input parameters of higher-order functions can also be functions. You can use higher-order functions to process data of complex data types, and use lambda expressions to simplify the processing syntax.