A function can have no parameters. In this case, you must code an empty set of parentheses, for example: CREATE FUNCTION WOOFER() parameter-name Specifies the name of the input parameter. The name is an SQL id
CREATE DATABASE example AUTOMATIC STORAGE YES --自动存储 ON 'D:\' DBPATH ON'D:\' --指定数据库控制文件的存储路径,和数据库表数据的存储路径 ALIAS example --数据库别名 USING CODESET UTF-8 TERRITORY CN --指定编码集,和地区 COLLATE USING SYSTEM --指定数据库处理字符串的排序顺序 PAGESIZE 4096 -...
example 1: define a scalar function that returns the tangent of a value using the existing sine and cosine functions. 1. create function tan (x double) returns double language sql contains sql no external action deterministic return sin(x)/cos(x) 1. 2. 3. 4. 5. 6. 7. 8. 9. 10....
DB2enforces restriction on specifying a CAST FROM clause for some forms of CREATE FUNCTION statements(change introduced in Version 9.1) The CAST FROM clause is included only in the syntax diagram for the CREATE FUNCTION statement for an external scalar function. The CAST FROM clause is n...
为方便起见,还可以对上面的方法创建 SQL 用户定义的函数:CREATEFUNCTIONsecondsdiff(t1TIMESTAMP, t2TIMESTAMP)RETURNSINTRETURN( (DAYS(t1)-DAYS(t2))*86400+(MIDNIGHT_SECONDS(t1)-MIDNIGHT_SECONDS(t2)) ) @ 如果需要确定给定年份是否是闰年,以下是一个很有用的 SQL 函数,您可以创建它来确定给定年份的天数:CR...
6、create database <数据库名> using codeset utf-8 territory CN --创建数据库使用utf-8编码 7、db2 catalog 命令 db2 catalog tcpip node <接点名称> remote <远程数据库地址> server <端口号> --把远程数据库映射到本地接点一般为50000 db2 catalog db <远程数据库名称> as <接点名称> at node PU...
Therefore, you need to complete the process described in "Volume-level cloning" on page 7 to create a base set of jobs. Then, replace the COPY job (ST05) in the volume-level demo example, with the COPY-BY-DS job using the set up as described in "Determining the source domain" on ...
To create a new DB2 database using a SQL script Create a user for the new database. For example, to create a user namedcsuseron Linux: useradd -d /home/csuser -m -p welcome1 csuser Log in with DB2 instance owner credentials. For example,db2inst1. ...
Large object support in DB2 UDB for AS/400 5 The example table we are going to create is used to store information about house details. It consists of three fields: • Customer Number: A unique character data type of length 5 MB, short name CUSNUM, used to hold a reference number ...
By default, if the SQL commands of the DB2 DDL are prefixed by a qualifier or an authorization ID, the prefix is used by the Rehosting Workbench as the name of the schema, for example, CREATE TABLE <qualifier or authorization ID>.table name....