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Migration to MariaDB

IBM DB2 to MariaDB
Informix to MariaDB
MySQL to MariaDB
Oracle to MariaDB
PostgreSQL to MariaDB
SQL Server to MariaDB
Sybase ASE to MariaDB
Sybase ASA to MariaDB

Migration to Oracle

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SQL Server to Oracle
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Migration to SQL Server

IBM DB2 to SQL Server
Informix to SQL Server
MySQL to SQL Server
Netezza to SQL Server
Oracle to SQL Server
PostgreSQL to SQL Server
Redshift to SQL Server
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SQL Server to Synapse

Migration to MySQL

IBM DB2 to MySQL
Informix to MySQL
Oracle to MySQL
SQL Server to MySQL
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Sybase ASA to MySQL
PostgreSQL to MySQL

RPG to MySQL

Migration to PostgreSQL

IBM DB2 to PostgreSQL
Informix to PostgreSQL
MySQL to PostgreSQL
Oracle to PostgreSQL
SQL Server to PostgreSQL
Sybase ASE to PostgreSQL
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Migration to IBM DB2

Oracle to IBM DB2
SQL Server to IBM DB2

Migration to Redshift

Hadoop to Redshift
Netezza to Redshift
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SQL Server to Redshift
Teradata to Redshift

Migration to Databricks

SQL Server to Databricks

Migration to Snowflake

IBM DB2 to Snowflake
Hive to Snowflake
Oracle to Snowflake
SQL Server to Snowflake
Spark to Snowflake
Teradata to Snowflake

Migration to Spark

Oracle to Spark
Redshift to Spark
SQL Server to Spark
Teradata to Spark

Migration to Presto/Trino

Hive to Trino
Oracle to Trino
Redshift to Trino
SQL Server to Trino
Teradata to Trino

Migration to Netezza

Oracle to Netezza

Migration to Greenplum

IBM DB2 to Greenplum
Oracle to Greenplum

Migration to SingleStore

MySQL to SingleStore
SQL Server to SingleStore

Application Conversion

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Database Reference

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MySQL
PostgreSQL
Sybase
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Teradata


MONTH Function - SQL Server to PostgreSQL Migration

In SQL Server, you can use MONTH function to get the month (an integer number 1-12) of the specified datetime. In PostgreSQL, you have to use EXTRACT(MONTH FROM datetime) function.

SQL Server: 

  -- Get the month
  SELECT MONTH('2022-09-16'); 
  # 9

PostgreSQL: 

  -- Get the month
  SELECT EXTRACT(MONTH FROM DATE '2022-09-16'); 
  # 9

For more information, see SQL Server to PostgreSQL Migration