Why migrate from Oracle to PostgreSQL? There are many reasons why you might choose to migrate from Oracle to PostgreSQL. Here are just a few of the benefits: Cost: In addition to the cost of Oracle licenses, using Oracle databases introduces additional fees for features such as partitioning an...
Database migration tutorial - quickly copying tables, indexes, foreign keys and data. Convert Oracle RDB to PostgreSQL.
As part of the JSON query conversion, we use the following functions in Oracle: JSON_TABLE –Transforms the JSON data into TABLE format JSON_ARRAYAGG –Aggregates the JSON format JSON_OBJECT –Transposes the TABLE data into JSON format We use the following functions in PostgreSQL:...
As we saw in the previous example, NUMBER can be declared with necessary precision and scale or as default (neither precision nor scale is defined). When migrating from Oracle to PostgreSQL, we can leverage metadata dictionaries as well as dynamically form a query to get actual data insights i...
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3. RETURNS TABLE.PostgreSQL allows function to return table of predefined records. Oracle does not have such capabilities, however it provides "PIPELINED" technique to iterate result of SELECT query as a table. For example, the following PostgreSQL code: ...
SQL query converter enables the conversion of SELECT, UPDATE, DELETE and CREATE TABLE statements between MySQL, PostgreSQL, SQL Server and Oracle. This tool can help you by seamlessly transforming SQL queries between different databases, for example you can convert from MySQL to PostgreSQL, MySQL ...
Adding Role to user creates error - Invalid column name 'Discriminator'. Adding Spaces to Column Names in LINQ Select Query adjust the height according to my numer of records jqgrid ADO.NET provider with invariant name 'Oracle.ManagedDataAccess.Client' could not be loaded. AJAX & Controller -...
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PostgreSQL Microsoft SQL Server SQLite Planned Support Oracle Supported Data Types Most data types are supported, for Mysql, Postgres, SQLite and MS SQL. gen uses a mapping json file that can be used to add mapping types. By default, the internal mapping file is loaded and processed. If ca...