DB29 for Linux,UNIX,and WINDOWS - section 12(DB2 data maintenance)

Export/Import:

export to employee.ixf of ixf SELECT * FROM ADMINISTRATOR.EMPLOYEE fetch first 10 rows only;

import from employee.ixf of ixf commitcount 10 create into ADMINISTRATOR.EMPLOYEE;

ixf include the table definition and data, but only can use import/create into load data if no table exist.

Load:

Import need to check reference and constraint and write log for ever row insert. but Load doesn't do these.

rebuild

Make the application use the optimal access path.

db2look -m

extract DDL and stastical which can smilate the product env.

Flow:

runstats->reorgchk(Y)->reorg->runstats->rebind app

runstats->reorgchk(N)->rebind app.

Backup:

incremental:All change after the previous ful backup

delta: All change after the previous backup(full,incremental,delta)

so delta is less than incremental.