PostgreSQLSetting up ora2pg and performing the conversion. For installation steps, refer to the ora2pg documentation .
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Install Instant Client Package
Download the Instant Client RPM from Oracle’s website .
sudo rpm -ivh oracle-instantclient19.6-basic-19.6.0.0.0-1.x86_64.rpm
sudo rpm -ivh oracle-instantclient19.6-devel-19.6.0.0.0-1.x86_64.rpm
sudo rpm -ivh oracle-instantclient19.6-jdbc-19.6.0.0.0-1.x86_64.rpm
sudo rpm -ivh oracle-instantclient19.6-sqlplus-19.6.0.0.0-1.x86_64.rpm
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Configure Environment Variables
vi .bash_profile
↓Add the following
export LD_LIBRARY_PATH=/usr/lib/oracle/19.6/client64/lib
export ORACLE_HOME=/usr/lib/oracle/19.6/client64/lib
source .bash_profile
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Install DBD::Oracle
sudo su -
export LD_LIBRARY_PATH=/usr/lib/oracle/19.6/client64/lib
export ORACLE_HOME=/usr/lib/oracle/19.6/client64/lib
yum -y install perl-CPAN
yum -y install libyaml-devel
yum -y install gcc
perl -MCPAN -e shell #Press Enter for all prompts
perl -MCPAN -e 'install DBI'
perl -MCPAN -e 'install DBD::Oracle'
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Install ora2pg
sudo su - ec2-user
sudo yum -y install git
git clone https://github.com/darold/ora2pg.git
cd ./ora2pg
perl Makefile.PL
make && make install
That completes the ora2pg installation.
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Initial ora2pg Setup
mkdir ora2pg
ora2pg --project_base ~/ora2pg --init_project migration_test
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Configure ora2pg.conf
An ora2pg.conf file is created under ./config. Edit this file. Detailed behavioral parameters are omitted here.
vi ./config/ora2pg.conf
# Set Oracle database connection (datasource, user, password)
ORACLE_DSN dbi:Oracle:host=xxxxxxxxxxxxx;sid=ora19db;port=1521
ORACLE_USER ikotest
ORACLE_PWD oracle
# Oracle schema/owner to use
SCHEMA ikotest
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Export the Full Schema Definition
./export_schema.sh
After execution, focus on checking the reports and schema directories:
├── config
│ └── ora2pg.conf
├── CONSTRAINTS_output.sql
├── data
├── export_schema.sh
├── import_all.sh
├── INDEXES_output.sql
├── reports
│ ├── columns.txt
│ ├── report.html
│ └── tables.txt
├── schema
│ ├── dblinks
│ ├── directories
│ ├── functions
│ ├── grants
│ ├── mviews
│ ├── packages
│ ├── partitions
│ ├── procedures
│ ├── sequences
│ ├── synonyms
│ │ └── synonym.sql
│ ├── tables
│ │ ├── CONSTRAINTS_table.sql
│ │ ├── INDEXES_table.sql
│ │ └── table.sql
│ ├── tablespaces
│ ├── triggers
│ ├── types
│ └── views
└── sources
├── functions
├── mviews
├── packages
├── partitions
├── procedures
├── triggers
├── types
└── views
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SQL Conversion
ora2pg -c config/ora2pg.conf -i input.sql -o output.sql -t QUERY