("CREATE FUNCTION f1 AS ..."); // show user defined functions tEnv.executeSql("SHOW USER FUNCTIONS").print(); // +---+ // | function name | // +---+ // | f1 | // | ... | // +---+ // show modules tEnv.executeSql("SHOW MODULES").print(); // +---+ //...
); // show user defined functions tEnv.executeSql("SHOW USER FUNCTIONS").print(); // +---+ // | function name | // +---+ // | f1 | // | ... | // +---+ // show modules tEnv.executeSql("SHOW MODULES").print(); // +---+ // | module name | // +---+ //...
The querycontained only aggregate functions (MIN(), MAX()) that were all resolved usingan index, or COUNT(*) for MyISAM, and no GROUP BY clause. The optimizerdetermined that only one row should be returned. 2.3.15 Skip_open_table, Open_frm_only,Open_trigger_only, Open_full_table These...
I understand that you are seeking an explanation of the user defined function “sigadd” that you have provided. The function “sigadd” takes four input arguments ‘x1’, ‘n1’, ‘x2’, ‘n2’. The arguments ‘x1’ and ‘n1’ represent the first sequence and its range of indi...
one of the followingcategories: Account Management Administration Compound Statements Data Definition Data Manipulation Data Types Functions Functions and Modifiers for Use with GROUP BY Geographic Features Help Metadata Language Structure Plugins Procedures Table Maintenance Transactions User-Defined Functions ...
It can be an aggregate function or a combination of multiple aggregate functions. In SQL statements, aggregate operators are classified into the following types: GroupAggregate: Data has been pre-sorted based on the GROUP BY clause. HashAggregate: Data is hash-calculated, distributed to ...
public class Explain_Test{public static void main(String[]args)throws Exception{FlinkEnv flinkEnv=FlinkEnvUtils.getStreamTableEnv(args);flinkEnv.env().setParallelism(1);String sql="CREATE TABLE source_table (\n"+" user_id BIGINT COMMENT '用户 id',\n"+" name STRING COMMENT '用户姓名',\n...
User-defined Functions Stored Procedures Autonomous Transaction System Catalogs and System Views Schemas Configuring Running Parameters Appendix FAQs Developer Guide(Centralized) Tool Guide Feature Description Feature Guide API Reference Alarm Handling
Formatting the execution plan The format parameter for the functions in the DBMS_XPLAN package is highly customizable and can display as little (high-level) or as much (low-level) details as required or desired in the plan output. There are three pre-defined formats available: BASIC The...
Azure Networking Hi All, What does it mean when we say Azure uses Virtual Networking? How does software defined networking work? End of the scene, we interact with cloud through physical networking only. How is the boundary maintained in the cloud?