db2

问题 How to create user defined function with declare temporary table in AS400? I can't create a temporary table under parent procedure, because i'm using Parallel Jobs. So i need to create temporary table inside function only helps me. Did anybody knows the solution, kindly update here friends. 回答1: example of temporary table : DECLARE GLOBAL TEMPORARY TABLE nametemporarychoice AS ( YOURQUERYHERE ) WITH DATA WITH REPLACE NOT LOGGED; you can use your table like this: select * from qtemp

问题 Wondering if someone can help me understand how a DB2 before insert trigger behaves. I have a Grails app that inserts rows to a DB2 database. The table in question has a before insert trigger that updates the date and user for the update: CREATE TRIGGER WTESTP.SCSMA11I NO CASCADE BEFORE INSERT ON WTESTP.SCSMA01T REFERENCING NEW AS NEWROW FOR EACH ROW MODE DB2SQL BEGIN ATOMIC SET NEWROW.LST_UPDT_TMSP = CURRENT_TIMESTAMP ; SET NEWROW.USER_ID = RTRIM ( USER ) ; END ; In my Grails application I

问题 I have DB2 10.1 on Linux and I connect to it using Kerberos auth. Problem is that my user doesn't have permissions to do stuff so I need to impersonate another user using "SET SESSION_USER = otheruser". This works fine if I use a client like DBArtisan, but I need to do this using JDBC and it doesn't seem to work. I've tried to execute the query every time a connection is created, I can query the value of the register and it has changed, but I still get errors if I try to query the tables my

问题 For one reason or other which are out of my control I am attempting to simply pull data over the past 12 months. However, essentially down to the size of data, I have to query each day into a temp table and go from there. Now I'm a newbie to scripting in DB2, but not SQL in general, so I've tried the code below (the logic seems fine to me). Initially I'm was just interested in how many records will be generated, but ideally I'd want to run the second SELECT code. I've been using Data Studio,

问题 Currently in my project development need of generating the record count based on certain criteria where the table names are stored in separate table.For instance say xx table stores the table name under the column name is tableInfo. I've written the stored procedure in such a way that DECLARE FGCURSOR CURSOR FOR SELECT tableInfo FROM xx WHERE col1='PO'; OPEN FGCURSOR; FETCH FROM FGCURSOR INTO FILEGROUPMEM; WHILE SQLCODE <> 100 DO SET COUNTVal = 'SELECT COUNT(*) FROM ' || FILEGROUPMEM || '

问题 First I create a search function in my program and I implemented the same logic in adding data into the database but the search function works and the add function didn't (SQLException). I created a table from DB2 named Names with only one column FullName . Do you still need to create a new query to add data into the table? or not? I want to add data into the database through GUI. Here is my Java Code: import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.sql.*; public

问题 I must to write a UDF returning a Table. I’ve done it with Static SQL. I’ve created Procedures preparing a Dynamic and Complex SQL sentence and returning a cursor. But now I must to create a UDF with Dynamic SQL and return a table to be used with an IN clause inside other select. It is possible on DB2 v5R4? Do you have an example? Thanks in advance... 回答1: I don't have V5R4, but I have i 6.1 and V5R3. I have a 6.1 example, and I poked around in V5R3 to find how to make the same example work

问题 Like Oracle, DB2 supports parameter defaults in stored procedures. Oracle syntax: CREATE OR REPLACE PROCEDURE p_default ( p_in_number IN number := 0, p_out_number OUT number, p_in_varchar IN varchar2 := '0', p_out_varchar OUT varchar2, p_in_date IN date := date '1981-07-10', p_out_date OUT date ) DB2 syntax: CREATE PROCEDURE p_default ( IN p_in_number INTEGER DEFAULT(0), OUT p_out_number INTEGER, IN p_in_varchar VARCHAR(10) DEFAULT('0'), OUT p_out_varchar VARCHAR(10), IN p_in_date DATE

问题 I am unable to find DB2 query to make column values into one single value separating with comma. Actual Table: Table Name: Emp Id Name 1 Test1 2 Test2 3 Test3 Expected Result: Name Test1,Test2,Test3 Cany some one suggest me the way to do it in DB2 or generic way in all databases ? DB2 Version : 8.1 in windows environment Many Thanks in advance!!! 回答1: You don't mention what version of DB2 you are using. If you are on DB2 Linux/Unix/Windows, and are at version 9.7 or higher, then you can use

问题 How to query tables in a particular schema with less than 100 rows? 回答1: First do a runstats on your whole schema. Then: select tabname from syscat.tables where card < 100 and tabschema = 'theschema' 来源： https://stackoverflow.com/questions/5699029/how-to-query-tables-in-a-particular-schema-with-less-than-100-rows