Flink基础119:FLINK-SQL语法 (13) DQL(5) OPERATIONS(2) SELECT & WHERE clause/ SELECT DISTINCT(FLINK 1.13
SELECT&WHEREclauseBatch StreamingThegeneralsyntaxofthe SELECT statementis:SELECTselect_listFROMtable_expression[WHEREboolean_expression]The table_expression referstoanysourceofdata.Itcouldbeanexistingtable,view,or VA