db2

问题 In Oracle, we do this: def TNAME=&1 create table &TNAME (foo varchar(10)); How to do the equivalent for DB2? The constraints are: 1. The create table statement is generated when TNAME is unknown 2. The create table statement is in a file which cannot be modified 3. Cannot create a temporary file with TNAME substituted by awk 4. Essentially we want to pass in the table name at run time as an argument Possible? 回答1: The EXECUTE IMMEDIATE statement can be used in just about any block of SQL that

问题 Please find the following code - UPDATE TENDORS SET TENDORS_VALUE = 080 WHERE ID = 1245789633 AND TENDOR_DATE = 2012-01-02; UPDATE TENDORS SET TENDORS_VALUE = 080 WHERE ID = 1235853861 AND TENDOR_DATE = 2011-02-22; UPDATE TENDORS SET TENDORS_VALUE = 0A0 WHERE ID = 2565854283 AND TENDOR_DATE = 2013-11-19; UPDATE TENDORS SET TENDORS_VALUE = 0A0 WHERE ID = 0565853935 AND TENDOR_DATE = 2012-02-02; UPDATE TENDORS SET TENDORS_VALUE = 080 WHERE ID = 5565854148 AND TENDOR_DATE = 2013-07-02; UPDATE

问题 I want to connect R 3.2.3 to DB2 . I tried this code : library(RJDBC) jcc = JDBC("com.ibm.db2.jcc.DB2Driver","c:/installed/sqllib/java/db2jcc4.jar") I get this error : Error: could not find function "JDBC" Any Ideas ? 回答1: Tantaoui, I suggest you take a look at ibmdbR, which is a dedicated R data frame API to DB2 and dashDB data: https://cran.r-project.org/web/packages/ibmdbR/ibmdbR.pdf 来源： https://stackoverflow.com/questions/40525630/cannot-connect-r-to-db2

问题 I have installed DB2 Express C 9.7.4 edition. I am establishing DB2 Connection using JAVA language . But I have to still provide user name and password of my windows Login account for establishing connection... Is it necessary to mention it ? Is there any way out that can establish connection without specifying user name/password as during installation we have skipped the page. Thanks in advance... 回答1: When an application runs on the same machine as the database server, DB2 will make the

问题 I'm trying to separate weeks from timestamp per quarter so it should be between 1-13 week per quarter so I used function week() but it takes between 1-52 week as whole year so I made it to be divided by function of quarter like below select Week (EVENTTIMESTAMP) / QUARTER (EVENTTIMESTAMP) from KAP The thing here that results aren't accurate; for example it shows: time stamp 2014-07-06 12:13:03.018 week number 9 which isn't correct because July is first month in Q3 and it's in the 6 days so it

问题 For linux, one can use the API page found here, and connecting is straight forward. For OS X, one will run into the error when trying to connect to an existing DB2 database: { [Error: [IBM][CLI Driver] SQL1042C An unexpected system error occurred. SQLSTATE=58004 ] error: '[node-odbc] SQL_ERROR', message: '[IBM][CLI Driver] SQL1042C An unexpected system error occurred. SQLSTATE=58004\n', state: 'HY000' } Does anyone know how to fix this problem? 回答1: The latest answer on this issue gives you

问题 How can I check if a declared global temporary table in DB2 exists or not in the current session? I need to create the temporary table once for a user session and then be able to insert rows in it each time a report is executed in the case of my application. So I need to delete all the rows from this table when a report is executed for more than the first time and then re-populate it with new rows. Right now the method creating the temporary table is throwing a 42710 SQLSTATE error the second

问题 I have data in IBM DB2 and what I am trying to do is to get that data using EntityFramework. I have one column that has TIMESTAMP values in this format: dd.MM.yyyy hh:mm:ss.ffffff and it is primary key in that table. When I am getting data from DB2 database time part of timestamp is lost. On the other side I have entity that has string property for that Id: public string Id { get; set; } This is a method that will return specific merchant. It is expected only one, because timestamps aka Ids

问题 I'm trying to read from a certain table (READTABLE) using an account (ACCOUNTX). This account has read (select) privileges on table, READTABLE. I checked this using: from syscat.tabauth where grantee = CURRENT USER and (SELECTAUTH = \'Y\' OR SELECTAUTH = \'G\') This returned among others, READTABLE. However, executing a statement in which I have FROM READTABLE I get the following error: [DB2/AIX64] SQL0204N "ACCOUNTX.READTABLE is an undefined name. SQLSTATE=42704 Why does this table get

问题 Hi am having a very big query comprises of two main table and 15 sub tables. ie, Main table say table_a join with some other 10 tables. and another main table sat table_b join with some other 5 tables. Table_a contains - 314988 rows and Table_b contains - 710989 rows. when we join i could find many NL Joins and HS joins. intresting fact that all HSjoin cost very less and NL join cost very very high. So is it possible to convert the joins from NL to HS Join. Note : its all indexed.. there is