db2

问题 I have another challenge that I am trying to resolve but unable to get the solution yet. Here is the scenario. Pardon the formatting if it messes up at the time of posting. ACCT_NUM CERT_ID Code Date Desired Output A 1 10 1/1/2007 1/1/2008 A 1 10 1/1/2008 1/1/2008 A 1 20 1/1/2009 1/1/2010 A 1 20 1/1/2010 1/1/2010 A 1 10 1/1/2011 1/1/2012 A 1 10 1/1/2012 1/1/2012 A 2 20 1/1/2007 1/1/2008 A 2 20 1/1/2008 1/1/2008 A 2 10 1/1/2009 1/1/2010 A 2 10 1/1/2010 1/1/2010 A 2 30 1/1/2011 1/1/2011 A 2 10

问题 I will like to create a view in DB2 with group by function. Not sure whether SQL statement able to create such view. Data: TableId department item 1 dept1 item1 2 dept2 item1 3 dept1 item1 4 dept2 item1 View output: department item id dept1 item1 1,3 dept2 item1 2,4 I able to create a view to group by department and item, but unsure on how to combine the table in the view. Seek for advise. Many Thanks in advance. 回答1: You can do that with LISTAGG function. Please take a look at this article

问题 I have DB2 table like below - Date1 Item_code Amt 2018-06-01 1 2 2018-06-02 1 3 2018-06-03 2 4 2018-06-03 2 5 2018-06-04 3 6 2018-06-05 3 7 2018-06-06 4 8 I need the cumulative sum item_code wise per day. The result should look like - Date1 Item_code Amt 2018-06-01 1 2 2018-06-02 1 5 2018-06-03 2 9 2018-06-04 3 6 2018-06-05 3 13 2018-06-06 4 8 I have tried a lot by myself and search also on SO but nothing is fulfilling my need. There are a lot of examples if I just need the cumulative sum day

问题 I have a query to select names of employee start with 'y', then my query would be SELECT EMP_NM FROM EMP WHERE EMP_NM LIKE'Y%' Say for example I need to retrieve names of employee names start with both 'y' and 'z', do we have anything to suffice my requirement? It's something like using OR with LIKE, correct? Your time and responses are highly appreciated. 回答1: WHERE EMP_NM LIKE 'Y%' OR EMP_NM LIKE 'Z%' or, not sure if DB2 supports this (not even sure I have right link to documentation...)

问题 As my understanding, LockAcquisitionException will happen when a thread is trying to update a row of record that is locking by another thread. ( Please do correct me if I am wrong ) So I try to simulate as follow: I lock a row of record using dbVisualizer , then I using application to run a update query on the same record as well. At the end, I am just hitting global transaction time out instead of LockAcquisitionException with reason code 68. Thus, I am thinking that my understanding is

问题 I am using db2 database and when I importing gujarati data that time data show some symbols. I try to set UTF-8 but still it's show symbol. Db2-server platform is windows. How to importing gujarati data.? 回答1: It is not clear from the problem description whether there is an issue with the client or the database, so I will show universal steps to troubleshoot an issue of this kind. I understand that your intention is to store the data as UTF-8 and Db2 documentation says: The following Indic

问题 I am trying to install db2 for my mac. I downloaded the package. When I run the script db2setup I get a blank setup wizard. It says /Users/sanjanaagarwal/Downloads/expc/db2/macos/install/db2setup: line 606: /tmp/db2.tmp.26264/db2/macos/install/../java/jre/bin/java: No such file or directory When I check the log it shows Operating system information: Darwin Darwin Kernel Version 13.0.0: Thu Sep 19 22:22:27 PDT 2013; root:xnu-2422.1.72~.13.0.0 ERROR: The user name specified is invalid. HELP.

问题 I downloaded Python 2.7 ( python-2.7.1.amd64.msi ) and pyodbc, the python extension module for connecting to DB2 database (i.e. pyodbc-2.1.8.win-amd64-py2.7.exe ). I wrote sample script as shown below. import csv import pyodbc conn = pyodbc.connectpyodbc.connect('DRIVER={DB2};SERVER=localhost;DATABASE=DBT1;UID=scott;PWD=tiger;') curs = conn.cursor() curs.execute('select count(edokimp_id) from edokimp') print curs.fetchall() The script throws following error pyodbc.Error: ('IM002', '[IM002]

问题 I downloaded Python 2.7 ( python-2.7.1.amd64.msi ) and pyodbc, the python extension module for connecting to DB2 database (i.e. pyodbc-2.1.8.win-amd64-py2.7.exe ). I wrote sample script as shown below. import csv import pyodbc conn = pyodbc.connectpyodbc.connect('DRIVER={DB2};SERVER=localhost;DATABASE=DBT1;UID=scott;PWD=tiger;') curs = conn.cursor() curs.execute('select count(edokimp_id) from edokimp') print curs.fetchall() The script throws following error pyodbc.Error: ('IM002', '[IM002]

问题 I installed the db2 Express-C in my system. Using the first steps wizard I created the sample database. But i am not able to undertsand what is the userid/password for this sample database created. Please help. Regards, 回答1: DB2 uses the operating system for authentication. So, any valid user/password you can use to log in to your system should allow you to connect to and query the sample database. The DB2 setup utility will ask you for a username and password to use for the administrative ID