SYSTEMS AND METHODS FOR DATABASE MIGRATION, AND SYSTEMS FOR MIGRATION OF AN ONLINE DATABASE

SYSTEMS AND METHODS FOR DATABASE MIGRATION, AND SYSTEMS FOR MIGRATION OF AN ONLINE DATABASE

A system for database migration including one or more processors and one or more memory devices storing instructions The processors are configured to perform operations for database migration that include cloning the online database to a first clone database, generating export files from the first c...

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Hauptverfasser: DONG, BIN, ZHANG, JUNZHAO, HUANG, ZHIYONG, LIU, YANG, HAN, CHUANCHUAN
Format: Patent
Sprache:chi ; eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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creator DONG, BIN
ZHANG, JUNZHAO
HUANG, ZHIYONG
LIU, YANG
HAN, CHUANCHUAN
description A system for database migration including one or more processors and one or more memory devices storing instructions The processors are configured to perform operations for database migration that include cloning the online database to a first clone database, generating export files from the first clone database and importing them to a migration database, performing a row comparison of the first clone database and the migration database after importing the export files, and initializing a double write operation replicating writing of the online database on the migration database to capture incremental data. The operations also include cloning the online database to a second clone database after performing the row comparison, identifying catch-up data by comparing the second clone database with the incremental data, and updating the migration database to include the catch-up data.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title SYSTEMS AND METHODS FOR DATABASE MIGRATION, AND SYSTEMS FOR MIGRATION OF AN ONLINE DATABASE
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