db2 check for empty string

DB2 agents are some of the processes or threads that serve application requests in the DB2 server. When an external application connects to an DB2 instance to make an access request, the DB2 agent is activated to answer those requests. The agent of

DB2 Alter Table introduction and use of normal Table modification and creation, you need to consider the following two situations: 1. when data is stored in a table, you can only modify the Data Type of the column to a compatible data type, or keep

The following article describes the Common commands of DB2 and their actual operation skills, if you are interested in the description of common DB2 commands and their actual operation skills, you can click the following article to view

It's a bit messy, because some do not understand it. Wait until you understand it. Start command line processor, CLPDb2cmd DB2Create Database my1stdb* The database name can contain the following characters: A-Z, a-Z, 0-9, @, #, and $.* The first

This article mainly tells you about several DBase commands commonly used in DB2 and the actual operation skills. I hope you can use these commands and operation skills to improve your work efficiency, the following is a detailed description of the

1. The string connection in DB2 is available "| ". 2. How to quickly delete a large number of data tables (test is a database table) The most common and most commonly used statement: delete from test. However, this method is inefficient and

Here will tell you a few dbase:db2 common commands and skills, hope that through these commands and skills, can simplify everyone's work, improve efficiency. 1.DB2 inside the string connection can be "| |" This is connected 2. How to quickly

The so-called data movement in DB2, including:1. Importing data (Import)2. Exporting the data (export)3. Loading of data (load)Both import and load are used to save data from a file in a format to a table in a database using DB2 's related

The string connection inside the 1.DB2 is available "| |" This to connect 2. How to quickly delete large quantities of data tables (test for database tables) The most commonly used and most frequently used statements: Delete from test, but this

Original post http://hi.baidu.com/rich0411/blog/item/fa0c61ee3a68502e2df534bc.html   The so-called data movement in DB2 includes: 1. Import Data) 2. Data Export (Export) 3. Load) Both import and load use DB2 commands to save data in files of a