Flink SQL:Queries(SELECT & WHERE)_flink sql select *

SELECT & WHERE clause

Batch Streaming

The general syntax of the SELECT statement is:
SELECT语句的一般语法为：

SELECT select_list FROM table_expression [ WHERE boolean_expression ]
1

The table_expression refers to any source of data. It could be an existing table, view, or VALUES clause, the joined results of multiple existing tables, or a subquery. Assuming that the table is available in the catalog, the following would read all rows from Orders.
table_expression引用任何数据源。它可以是现有的表、视图或VALUES子句、多个现有表的联接结果或子查询。假设Orders表在目录中可用，下面将读取Orders中的所有行。

SELECT *