difference between data loader and import wizard in salesforce

Currently, You need to retrieve some fields from a data file recorded by row, and store these fields to the Oracle database by row. There are about 700 million data records and about m of raw data files. There are at least two ways to achieve this: 1. Read the original data file into the memory stream, parse a piece o

You can use Microsoft Office Excel to import data from a text file into a worksheet. The Text Import Wizard checks the text file that you are importing and ensures that the data is imported in the way you expect. Step 1 (total 3 steps) Original

SQL loader data import problems encountered when using oracle SQL loader tool to import data, the specific shell script is as follows: 01 #! /Bin/bash02 03 04 export LANG = zh_CN.GBK05 export NLS_LANG = export ORACLE_BASE =/u01/or

Use the sqlldr tool of Oracle to import data from the SDSS. CSV file to the database. The content of SDSS. CSV placed on E: \ is as follows: 2.3757292136910399e-4,-8.9490277843631194, 20.302597,December 0.00023851549291556,-0.88450365314434698, 20.098101,2.5168890447969299e-4, 7.7169029946908094e-2, 18.762859,2.9486118387225802e-4,-9.8447540892170409, 19.943598,2.94865362739442e-4,-9.8447540642891909, 19.94

One of the most important preparations in performance testing is preparing test data. Before performing a performance test, make sure that you have enough data in your test database to test it. For data preparation, sometimes I use LoadRunner to generate the appropriate script to prepare the data, which has one advanta

Some time ago in a migration of data pump and exp, found that the difference in efficiency is quite large. Here is an example of a simple comparison. This article compares the differences between IMP and IMPDP import. The comparison of exp and data pump export, you can see that the

The difference of function between Exp/imp and EXPDP/IMPDP:　　1, the user UserA to import the object into the UserBEmp/imp usage:Formuser=usera Touser=userb;EMPDP/IMPDP usage:Remap_schema= ' UserA ': ' UserB 'For example:Imp system/password fromuser=usera touser=userb file=back.dmp log=backlog.log;IMPDP system/password directory=expdp dumpfile=back.dmp remap_schema= ' UserA ': ' UserB ' Logfile=backlog.log