01_07 Data Movement

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®

IBM Software Group

© 2005 IBM Corporation

Lesson 7: Data Movement(DB2 on Campus Lecture Series)

Raul F. Chong

IBM Toronto Laboratory


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IBM Software Group | DB2 Information Management Software

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Agenda

Data movement overview

Export

Import

Load & Set Integrity

db2move

db2look


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Agenda


Export

Import


db2move

db2look


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Data Movement Tools

File

ASC

DELWSFIXF

Database A Database B

Export Import

LoadSet Integrity


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EXPORT, IMPORT, LOAD

ƒIXF, DEL, ASC

db2move

Easily export/import/load/copy set of tables & data (IXF)

db2look

Extracts:

ƒDDL

ƒ

permissionsƒdatabase statistics

ƒTablespace characteristics

Data Movement Tools


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Agenda


Export

Import


db2move

db2look


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Export data based on SQL Statement

EXPORT TO employee.ixf of IXF

SELECT * FROM employee

FETCH FIRST 10 ROWS ONLY

EXPORT


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Launching the EXPORT Table Dialog

Control Center > (expand) All Databases folder > (select) Tables Folder > (right-click) Table > Export


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Agenda


Export

Import

Load & Set Integrity db2move

db2look


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High-speed SQL INSERT

ƒ Activates triggers

ƒ All Constraints enforced immediately

ƒUses BUFFERPOOL

IMPORT FROM employee.ixf OF IXF

REPLACE_CREATE

INTO employee_copy

IMPORT


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Launching the IMPORT Dialog

Control Center > (expand) All Databases folder > (select) Tables Folder > (right-click) Table > Import


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Agenda


Export

Import


db2look


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Very High Speed, low level data loader

ƒseparate LOAD, BUILD, DELETE phases

Uses utility heap (UTIL_HEAP_SZ)

Does NOT use bufferpool and does NOT activate triggers

Constraints enforced as separate step, may define

EXCEPTION tables

online LOAD supported

LOAD FROM employee.ixf OF IXF

REPLACE INTO employee_copy

SET INTEGRITY FOR employee_copy

ALL IMMEDIATE UNCHECKED

LOAD


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Launching the LOAD Wizard

Control Center > (expand) All Databases folder > (select) Tables Folder > (right-click) Table > Load


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Launching the SET INTEGRITY Dialog

Control Center > (expand) All Databases folder > (select) Tables Folder > (right-click) Table > Set Integrity


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Agenda


Export

Import


db2look


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db2move sample export

db2move


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Agenda


Export

Import


db2look


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Extract DDL, tablespace info, and statistics to script

Too many options to describe, see db2look -h for

details Example:

db2look -d sample -l -e -o sample.ddl

database name layout(tablespaces

& bufferpools)

extract DDL

output file

db2look


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db2look: Extracting DDL From Control Center

Control Center > (expand) All Databases folder > (right-click) Database > (select) Generate DDL


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Extraction Options


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QuickLab #8 – Extracting DDL

In this QuickLab, you will use Control Center and

Development Center to extract database objectDDL for the EXPRESS database

Refer to the handout for the QuickLab #8instructions


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What’s Next?

MaintenanceLesson 10

Backup & recoveryLesson 9

SecurityLesson 8

Data movementLesson 7

Working with data objectsLesson 6

Client connectivityLesson 5

The DB2 architectureLesson 4

Tools & scriptingLesson 3

The DB2 EnvironmentLesson 2

Installation & the DB2 editionsLesson 1

COMPLETED!

Documents

01_07 Data Movement