db2 olap functions

')Date ('1970-10-20 ')Date ('2014/1/123 ')Time ('12: 00: 00 ')Time ('12. 00.00 ') The timestamp (), date (), and time () functions support more formats. The above formats are just examples. I will use them as an exercise so that readers can discover other formats themselves. Sometimes, you need to know the time difference between two timestamps. Therefore, DB2 provides a built-in function named timesta

Introduction to common DB2 functions 1. VALUE Function Syntax: VALUE (EXPRESSION1, EXPRESSION2) the VALUE function returns a non-empty VALUE. When the first parameter is not empty, the VALUE of this parameter is directly returned, if the first parameter is null, the value of the first parameter is returned.Java code eg: -- indicates that if T1.ID is null, an empty string is returned. If T1.ID is not empty,

Label:One. Arrays In DB2, creating an array will generate two objects under functions: The SYS type and the user type array /* Create an array */ Create as varchar (+) array[]; /* Delete an array */ drop type arrname; Two. Functions 1. Basic syntax Create functionDB2INST.FUNC1 (param1integer, param2varchar(Ten))/*input Parameters except Boolean and cursor*/ re

1. Functions--drop function getmaxdate;Create FUNCTIONGetmaxdate (yintMint )returnsDatebegin DECLAREmaxdate date; Select Max(DateID) intoMaxDate fromD_timewhereYears=Y andMonths=m; returnmaxdate;End;Values Getmaxdate (2013, 3);2. Stored Procedures--drop procedure test;CREATE PROCEDURETEST (inchbegindate DATE,inchENDDATE DATE, out NUMint ) begin DeclareCurrdate date;-- DeclareCyint ; DeclareCmint ; DECLAREAt_endINT DEFAULT 0;-- DECLARENot_f