db2 truncate table

The following article describes how to export LOB data using the DB2 table operation technique. If you are interested in the correct operation procedure of exporting LOB data using the DB2 table operation technique, you can click to view the following articles. The following is a detailed description of the main conten

Tags: DB2 exporting Shell ExportThe shell script is used to export the DB2 database table to a file, and in another blog post, Java code calls the shell script and passes in the parameter implementation DB2 database table export to a file to invoke the script and pass in the

Tags: based on body allows DIV to use Oracle database to insert int SQLASC and DESCIndicate ascending and descending, respectivelySELECT * FROM tablename ORDER BY id DESC: According to the ID field in descending order, from big to smallSELECT * FROM tablename ORDER by ID ASC: According to the ID field in ascending order, from small to largeClone tableThe methods for cloning tables in the DB2 database are as followsClone table:CREATE

When using temporary tables in the DB2 database, you need to pay attention to some issues. This article introduces you to six of the key issues for your reference and hopes to help you. Notes for using temporary DB2 tables: 1. The Temporary Table of DB2 needs to be created using the command Declare Temporary

The tablespace is the logical layer between the database and the tables stored in the database. Create a tablespace in the database and a table in the tablespace. One obvious advantage of using tablespaces is that data can be reasonably distributed and stored on different disks or in different locations on disks, which helps improve data access efficiency. DB2 tablespaces are managed in two ways: system ma

In fact, the DB2 table is compressed by viewing the entire table, finding duplicate characters and strings, and storing those characters and strings in a compression dictionary, then, an alternative symbol of the corresponding data string stored in the dictionary is used to represent the actual data, thus compressing the data. A compressed Attribute

"Guide" to give a simple example, encryption, decryption passwd is set global, using the DB2 database encryption function Encrypt,decrypt_char implementation. Cases: 1. C:\>db2 create table encode_demo(col1 varchar(100) for bit data) //字段col1数据按二进制存放 DB20000I　SQL 命令成功完成。 2. C:\>db2 set encryption password = 'loveunix

The DB2 big data table data deletion method is slow and unacceptable when the table data volume is deleted from table_name in millions. In addition, delete is more unacceptable when deleting multiple tables. Find the method and find it very fast. The procedure is as follows: www.2cto.com (1). Create a new file named [empty. del] on drive C, which is an empty file

 DB2 The explain table for the SQL execution plan does not exist by default, open DB2 command line, CD to the following directory C:\Program Files (x86) \ibm\sqllib\misc>lsDb2autobackuppolicy.xsd db2evmonpkgcache.xsd db2monroutines.xsd db2schemaannotation.xsl Db2adminV8.exe Db2uext2.v2Db2autoreorgpolicy.xsd db2evmonuow.xsd db2optprofile.xsd EXPLAIN. DDL DB2AUD

Tags: Java DB2 shell ExportThis article calls the shell script through Java code and passes in the parameter implementation DB2 the database table exports to the file, the code is as follows:importjava.io.file;importjava.io.ioexception;importjava.io.inputstreamreader;import java.io.linenumberreader;importjava.util.hashmap;importorg.slf4j.logger;import Org.slf4j.l

This document introduces two common methods for importing and exporting table structures in the DB2 database. Method 1 In the object View window of the control center, select the data table of the table structure to be exported, press Ctrl or Shift to select multiple data tables, right click, and choose-> Generate DD

Enable automatic table and index reassembly DB2 V9 can be automatically reorganized on tables and so on. It is critical that you have well-organized table data for efficient data access and optimal workload performance. After many changes have been made to the table data, logically contiguous data may reside on discon

This article will introduce you to the description of how to collect statistics on various types of tables in the DB2 database for your reference. If you are interested in this, please take a look and I believe it will help you. DB2 provides three command tools to reorganize and analyze table data:REORGCHKREORGRUNSTAT The statistical information of objects is c

Example: 1.C: \> db2 create table encode_demo (col1 varchar (100) for bit data)// Field col1 data is stored in binary formatThe DB20000I SQL command is successfully completed.2.C: \> db2 set encryption password = 'loveunix'// Set the encrypted and decrypted passwdThe DB20000I SQL command is successfully completed.3.C: \>

Exporting a table from DB2 there's a simple way to do this, and a long time programmer has been exposed to it. Previously encountered this problem from the Internet can not find the right answer, today to share the hope to help the needs of the peers.Because I don't have a db2 at home. So take the MySQL interface as an example. The operation is simple and has no

Label:1: Delete field non-empty propertyALTER TABLE XXX ALTER COLUMN XXX drop NOT NULLThis feature requires a version of DB2 9.0 or more2: Add field non-empty propertyALTER TABLE XXX ALTER COLUMN XXX set NOT NULL3: Add a new fieldALTER TABLE XXX add column XXXX varchar (100)4: Delete a fieldALTER

Label:Now there is a row of data, to be copied to multiple lines, each row only two field values are different, DB2 no SQL Server top keyword, the only want to copy a few times, and then update the data, found no.Then think of a temporary create a table B, insert this row of data, and then constantly modify B and then insert a.DB2 Copy Table structure:CREATE

DB2 database table Operation error SQL0668N Operation not allowed for reason code "1" on table "XXXX ". SQLSTATE = 57016 solution The table is in Check Pending state. the integrity of the table is not enforced and the content of the tabl