Create postgres table from json If you want to download my PostgreSQL Cheat Sheet, enter your email below and I would like to have PostgreSQL return the result of a query as one JSON array. A root table is created for the schema with the correct types Custom PostgreSQL schema to create the tables. Apart from that, there are a bunch of functions and operators available that you can use to manipulate and play around with the JSON data. json and create a new table in Postgresql using python/psycopg2. Depending on the complexity of your application, you can choose from dozens of PostgreSQL inbuilt functions and operators to manipulate JSON data. Feb 25, 2016 · How to create postgres table with JSON? Asked 8 years, 11 months ago Modified 8 years, 11 months ago Viewed 1k times Dec 6, 2024 · Learn how to efficiently manage and query JSON data in PostgreSQL. You can create two types of indexes: standard PostgreSQL indexes or GIN indexes. I came across this great tutorial, but the syntax was made for SQL Server. The json data type stores JSON input as plain text, without processing it, while jsonb stores JSON data in a decomposed binary format which is slower to insert but faster to query due to its indexing capabilities. All this can be done directly in the database. I would like to create a new table from this JSON column where each field becomes a column in the new table. Example Jan 14, 2025 · Learn how PostgreSQL 17 enhances JSON support with powerful features like JSON_TABLE(). So the table would be named test with 2 fields one as string and another as bigint. *) FROM ( ) t is slightly shorter and faster than json_build_object(). Learn parsing, querying, and manipulating JSON like a pro. Feb 13, 2024 · The JSON data type in Postgres stores the data in the form of key-value pairs. the 'data' array has the below structure. Mar 10, 2023 · Advice: Store the UID also in a separate column in json_data_table and create a proper foreign key, including an index. Oct 22, 2022 · How can I achieve something similar - i. it gets the job done with a few changes to the query structure. Mar 2, 2018 · Using InferAvroSchema I got an Avro Schema of my file. Dec 8, 2022 · Need to flatten and ingest your JSON file? See how we can load JSON files into databases from your local drive using a nifty tool called Sling. 3 to 9. the data array may have multiple json ent Dec 7, 2024 · PostgreSQL’s support for JSON data types has revolutionized how developers handle semi-structured data in relational databases. In this article, you’ll discover how the new JSON_TABLE () function and extended JSON Path capabilities simplify data extraction, transformation, and filtering, making JSON in PostgreSQL feel like a first-class Learn how to export your PostgreSQL database to JSON format quickly and efficiently with our step-by-step guide. 4. The following INSERT statement inserts a new row into the orders table. e. How the above can be stated in the CREATE TABLE definition ? Dec 20, 2024 · PostgreSQL 9. Aug 2, 2023 · In this blog, we will explore PostgreSQL's JSON capabilities, focusing on the JSONB data type, JSON functions, and best practices for working with semi-structured data in the database. After reading this guide, you will know: How to use PostgreSQL's datatypes. These examples will showcase how to create tables, insert JSON data, and retrieve specific information from JSON fields effectively. To implement efficient query mechanisms for these data types, PostgreSQL also provides the jsonpath data type described in Section 8. 3 (Sep 2013) – Introduced the binary JSON format – JSONB. You probably want to add some other columns to identify the json document by id or user name, for instance, but in principle this is all that you need. 4 to get the function json_build_object . In the example above I tried inserting the JSON Learn how to create, modify, and organize tables and schemas in PostgreSQL. This guide will equip you with the skills to make the most of PostgreSQL's JSON capabilities. Jan 6, 2024 · SELECT json_agg(t) FROM (SELECT id, name FROM users) t; This query aggregates each row of the users table into a JSON array where each element is a JSON object representing a row. JSON is one of the most popular ways of disseminating data between systems. 16. Aug 11, 2025 · Learn how to use the CREATE TABLE \\[USING] syntax of the SQL language in Databricks SQL and Databricks Runtime. CREATE TABLE example ( Dec 23, 2024 · Tables are the fundamental building blocks of any relational database, including PostgreSQL. Updating JSON Data Let’s begin with updating JSON data. Contribute to hashhar/jsonschema2sql development by creating an account on GitHub. This model comprises sequences of items. org, but I'm struggling a bit with using the schema to make a table creation script. This guide explains the basics of creating, modifying, and managing tables in PostgreSQL, along with the use of constraints to enforce data integrity. The inner subqueries should always have at least one column that will be used by outer subquery as keys for the json_object_agg function. However, I don’t see that in the interface in my setup. These data types allow you to store JSON (JavaScript Object Notation) data directly in your database, combining the flexibility of NoSQL with the robustness of a relational database. 7. The model is a formalization of the implied data model in the JSON specification RFC 7159 Dec 27, 2023 · JSON (JavaScript Object Notation) has become the ubiquitous language for web APIs, configuration, and general data interchange. Table of Contents Introduction Loading Data using pg_read_file Using jsonb_array_elements to expand rows Using JSON_TABLE to expand rows and columns Introduction JSON is one of the most popular ways of disseminating data between systems. Jan 6, 2024 · This article dives into the intricacies of updating and deleting parts of that JSON data, serving as a guide through the structured queries you’ll need. Why Use JSONB in PostgreSQL? Mar 15, 2025 · Discover expert SQL techniques to efficiently work with JSON data. Feb 27, 2024 · This page provides you with the most commonly used PostgreSQL JSON functions that allow you to manage JSON data effectively. How to use UUID primary keys. In Oct 4, 2024 · This tutorial explains how to export a table to a JSON file in PostgreSQL, including an example. The technique is documented in the postgresql docs, but it's a bit hidden. In this video, Tyler Shukert walks you through how to store and query JSON data from y Sep 2, 2024 · Best practices and tips for using JSON in PostgreSQL Why Use JSON in PostgreSQL? Here are some key reasons why a full-stack developer would want to leverage PostgreSQL‘s JSON capabilities: Flexible Schemas JSON data can be stored without having predefined schemas, allowing dynamic attributes and heterogeneity across records in the same table. JSON is a popular data storage format, and is commonly used to transmit data as key-values sets. It lets you treat JSON as if it were a regular SQL table — and query it with simple, familiar May 10, 2023 · To insert JSON arrays into a table in PostgreSQL, you can use the INSERT INTO statement along with the VALUES clause to specify the JSON array as a string value. studio You might want to consider using a tool to do this automatically for you. Our JSON to Postgres converter takes a JSON file and outputs a SQL file which you can then import into your database. Jun 5, 2020 · Are there any benefits in using JSON(B) over traditional table structures? Imagine having a table structure like this: create table table1 ( t_id int, first_name varchar(20), Jul 24, 2025 · What Are JSON and JSONB Data Types? PostgreSQL introduced JSON support in version 9. Each file contains data of one table. I'm new to PostgreSQL database connections with Go. Upload and convert. Which processor I have to use. \t \a \o file. 3 I can SELECT specific fields of a JSON data type, but how do you modify them using UPDATE? I can't find any examples of this in the postgresql documentation, or anywhere online. fm Wrapping Up It’s time for a new Postgres release! PostgreSQL 17 shipped a few weeks ago, with lots of new features to explore. This article describes what can go wrong when using the much-loved JSON capabilities of PostgreSQL and gives guidelines how to do it right. Boost performance by 40-60% with improved indexing, function caching, and query restructuring. This gives you relational integrity, performance and easier SQL because the joins are straight forward Aug 2, 2023 · The orders table consists of two columns: The id column is the primary key column that identifies the order. This guide covers PostgreSQL specific usage of Active Record. I want to create Postgres database based on these files. Sep 17, 2014 · Hi, what I want is to store json data from a json file into a postgres table using something like the copy command, I just want to knwo what's the proper way to do it. Installation Install the latest version with pip install jsonschema2ddl. Additionally, for nested JSON objects, I want to create separate tables to represent the relationships. PostgreSQL 9. In this tutorial, you'll learn how to use the PostgreSQL JSON data types to store JSON data in the databases. Free JSON to SQL converter online, for small or large files. I would like to create a postgres schema from the file so that would allow me to store the network structure in a postgres db. New JSON functions PostgreSQL 9. PostgreSQL offers two types for storing JSON data: json and jsonb. Learn how to import and export JSON data in PostgreSQL databases, including practical examples and best practices for working with JSON documents in your database. Learn more about JSONB in Postgres. To facilitate querying, this library converts objects stored in a JSON schema into flat Postgres tables with proper types. Feb 13, 2024 · Is anyone downloading the canvasdata2 json schemas and using them to generate sql create table scripts? I'm trying to create tables in Oracle and it looks like I have to use the json schemas to do that. Generate CREATE TABLE statements from JSON schema. json SELECT row_to_json(r) FROM my_table AS r; This is the same method we use to get png/jpgs/tifs out of the database with PostGIS for quick tests, and also to generate script files with PostgreSQL extensions. It stores data in a decomposed binary format, which allows for faster access to individual elements within the JSON document. We'll go over some ways to load and restructure json data. Postgres and Redshift are supported. Its flexible schema, compact footprint, and ubiquity across programming languages has made it a standard for modern applications. As a mature database Feb 23, 2024 · In this tutorial, you will learn about JSON and how to work with JSON data in PostgreSQL using the PostgreSQL JSON and JSONB data types. Improve query performance and optimize your database with this May 19, 2024 · In this tutorial, you will learn how to create new tables in the PostgreSQL database using Python. The view should query a table called events: CREATE OR REPLACE VIEW jsonview AS SELECT array_to_json(array_agg(t)) as Apr 14, 2022 · We look at the SQL/JSON constructor syntax, the IS JSON predicate, how to work with jsonpath expressions, and how to use JSON_TABLE in Postgres 15. How to use unique constraints. Understanding JSON and JSONB Data Types JSON and JSONB are both data types supported by PostgreSQL for storing semi-structured data. I have looked over some StackOverflow posts and psychopg2 documentation without getting much further. 2 and JSONB (binary JSON) in version 9. Mar 13, 2025 · Learn practical PostgreSQL JSON query optimization techniques for 2025. Create your DDL statements for your database based on your JSON Schema. Feb 25, 2024 · In this tutorial, you will learn how to use the PostgreSQL row_to_json() function to convert an SQL composite value to a JSON object. This article explores the benefits of using JSON in SQL databases, compares SQL and NoSQL, and covers essential PostgreSQL JSON functions for querying, creating, and modifying JSON data efficiently. The create table command used to create a table in the PostgreSQL database in the following example is: create table data ( Name varchar, Age bigint); Code:. I tried to follow the documentation, and I noticed there’s a way to map the query parameters to the table values. PostgreSQL provides two JSON data types: JSON: Stores data in raw JSON format, where the JSON Data in postgres Jan 4, 2024 · Understanding JSON Data Types in PostgreSQL PostgreSQL offers two JSON-related data types: json and jsonb. Usage Let’s start with a jsonschema: Mar 12, 2025 · Learn how to proficiently store and manage JSON data in PostgreSQL using Spring Boot and JPA Oct 5, 2016 · I am using Postgres 9. 4 at PGXN: jsonbx Web site created using create-react-appPostgreSQL 17 significantly expands its JSON support, empowering developers to work effortlessly with semi-structured data directly within SQL. Free for files up to 5MB, no account needed. Oct 21, 2024 · Some time ago, I described in a blog post how to work with JSON data in a PostgreSQL database. I am trying to take the following JSON file and begin parsing it into a Nov 13, 2025 · To provide native support for JSON data types within the SQL environment, PostgreSQL implements the SQL/JSON data model. Jul 15, 2025 · Syntax variable_name json; Examples of PostgreSQL JSON Data Type Now, let's look into a few examples of JSON Data Type in PostgreSQL for demonstration. Nov 19, 2024 · Explore Postgres JSON Query with practical examples. I want each object in the array to coorespond to a new row, with each key coorespondin Mar 6, 2024 · PostgreSQL JSON Index Summary: in this tutorial, you will learn how to create a PostgreSQL JSON index for a JSONB column to improve query performance. For instance, Better uses it to generate 50+ tables automatically, with millions of rows, from a very complex JSON schema that is 7000+ lines long. Sep 12, 2021 · I'm just learning how to use PostgreSQL and JSON. I'm using Beego as a back-end. 2 (Sep 2012) – First introduced native JSON data type along with basic operators and functions like ->, ->>, json_each(), json_object_keys() etc. 1) Setting up a sample table First, create a new table called employees to store employee data: To install postgres-json-schema, clone the repository and run make install as root, then CREATE EXTENSION "postgres-json-schema"; as the database superuser. In this guide, you'll learn: What JSON is and why you might want to use it Creating a table to store JSON data How to add, read, update, and delete JSON data Tips for performance, validating and working with JSON Let's get into the guide. May 10, 2023 · In PostgreSQL, you can store JSON data as a column value in a table, and you can use JSON arrays to store a collection of JSON objects in a single column. Master data types, constraints, and schema design, and secure access with StrongDM's fine-grained permissions and audit trails. Each item can hold SQL scalar values, with an additional SQL/JSON null value, and composite data structures that use JSON arrays and objects. Jul 15, 2025 · Now, let's look into a few examples of JSON Data Type in PostgreSQL for demonstration. Apr 22, 2025 · With PostgreSQL 17 (currently in development), that changes. With jsonschema2ddl you can take your existing schemas defined with json schema and deploy them in Postgresql and Redshift. The files are not very large (at maximum several thousand records). By leveraging PostgreSQL‘s mature JSON feature set, developers can Nov 29, 2023 · How to convert Multiple Postgres Tables Data into JSON Files Using Python & SQL Jul 10, 2021 · PostgreSQL How to DEFAULT Partitioned Identity Column? ② Going with jsonb since that allows the simple concatenation jsonb || jsonb (as opposed to json). Perfect for data migration and backups. Learn postgresql - Creating a pure JSON tableTo create a pure JSON table you need to provide a single field with the type JSONB: CREATE TABLE mytable (data JSONB NOT NULL); You should also create a basic index: CREATE INDEX mytable_idx ON mytable USING gin (data jsonb_path_ops); At this point you can insert data in to the table and query it efficiently. Jul 7, 2025 · In this tutorial, you’ll learn how to: Create a table that uses a JSONB column Insert nested data using JSON format Query values from JSONB fields using PostgreSQL functions JSON vs JSONB: Which One Should You Use? Use JSON if: You only need to store and retrieve the raw JSON You don’t plan to query or filter inside the JSON content Use A root table is created for the schema with the correct types Custom PostgreSQL schema to create the tables. How to include non-key columns in indexes. Jan 13, 2025 · JSON Data, short for JavaScript Object Notation, is an open standard format that structures data in key-value pairs and arrays. Jan 6, 2024 · PostgreSQL’s JSON capabilities offer powerful and flexible solutions for generating JSON data from table contents, enabling seamless integration with modern web services and applications. The model is a formalization of the implied data model in the JSON specification RFC 7159 Mar 4, 2021 · PostgreSQL has quite a lot of features for storing and working with JSON data. How to implement exclusion constraints. This guide covers essential commands like CREATE TABLE, ADD COLUMN, and schema best practices for efficient database design. The name of these tables will be the one defined in the jsonschema. May 17, 2018 · I am unable to find in the documentation how to create a JSONB column in PostgreSQL that has a DEFAULT value of an empty json document. I want to create a table in PostregSql using this Avro schema. Feb 1, 2019 · I would like to insert information from . My searches online seem to be related to storing json in a field but not breaking down the json in to a tabular structure. How to back your Active May 24, 2017 · create table product { product_id serial primary key, name text, quantity numeric, description text } create function insert_product (product product) returns product as $$ -- This function accepts a product type as an argument Is there a solution in any language that would sit on a server, handle HTTP requests, call stored procedures and automatically convert JSON objects to proper Postgres Learn how to Create Table with JSON Column in PostgreSQL Shell Windows. PostgreSQL is a database perfectly suited for grabbing that data and transforming it into a more structured relational format. Table of Contents Introduction to PostgreSQL JSON index PostgreSQL JSON index examples 1) Setting up a sample table 2) Creating an index on the JSONB column 3) Creating an index on the JSONB column with the GIN Dec 6, 2024 · Learn how to efficiently manage and query JSON data in PostgreSQL. The json documents use the spec at https://json-schema. PostgreSQL includes robust native support for working with JSON data. Nov 25, 2024 · Learn how inserting JSON into Postgres can be efficient for storage and retrieval in your databases and get to know the various PostgreSQL JSON functions. It is probably the most common offered by webservices. To create a table’s column with JSON data type, you can specify the column’s nam… Learn how to effectively query JSON columns in PostgreSQL. In A the values of column role are used as keys in query A. I can see in postgres that there are some built in functions that may be useful. Say hello to JSON_TABLE(). This allowed storing and querying JSON documents in raw textual form. The info column stores the data in the form of JSON. Given create table t (a int primary key, b text); insert into t values (1, 'value1'); insert into t values (2, 'val Sep 4, 2023 · Introduction PostgreSQL allows storing and manipulating JavaScript Object Notation (JSON) data. 5, and I am trying to figure out how to update a postgres table using an array of JSON. I am trying to take the following JSON file and begin parsing it into a Sep 12, 2021 · I'm just learning how to use PostgreSQL and JSON. Widely used in web services, JSON serves as a versatile format for data exchange, document storage, and managing unstructured data. Jan 29, 2015 · If you're using psql then there is no reason to use \COPY at all. May 7, 2025 · Summary: in this tutorial, you will learn how to convert JSON documents to relational tables in PostgreSQL. Sep 13, 2025 · Learn how to efficiently create an index on a Json field in PostgreSQL with our comprehensive guide. Last month (September 2024), PostgreSQL 17 was released, which offers another feature for working with JSON data: the JSON_TABLE () function. 5 new JSONB functions: jsonb_pretty: Formats JSONB human readable jsonb_set: Update or add values PostgreSQL 9. Before starting, create a Learn how to create, modify, and organize tables and schemas in PostgreSQL. Oct 17, 2024 · PostgreSQL 17 via Docker SQL/JSON and JSON_TABLE MERGE Command Basics MERGE with RETURNING Database Views and Materialized Views Trigger-Updatable Views Performance Improvements for IN clauses Lower memory consumption for VACUUM Postgres. PostgreSQL provides several functions and operators to effectively manipulate JSON data stored in your tables. Includes syntax, examples, and filtering tips for efficient JSON data handling. Then create a table with a CHECK constraint. Nov 16, 2015 · I have nearly 50 json files. It is the recommended way to store JSON data in PostgreSQL. Jul 16, 2021 · I m a beginner and trying to insert JSON values into the database using a tutorial I have created the table using the following command CREATE TABLE table_name( id character varying(50), Convert JSON to PostgreSQL Upload your JSON file to convert to PostgreSQL - paste a link or drag and drop. No sign up required. Introduction to PostgreSQL JSON index JSONB (binary JSON) is a data type that allows you to store JSON data and query it efficiently. Create subtables using the definitions sections in the jsonchema document. In the example, in the subquery C the values of the column action are used as keys in the subquery A. Quick solution: May 8, 2018 · Now I have to create a table dynamically, I am thinking of writing a function in Postgres to do that. Jul 17, 2020 · In this post, we are going to show you tips and techniques on how to effectively store and index JSON data in PostgreSQL. Sep 9, 2022 · Describe the issue/error/question Hey folks, I am trying to understand if there’s a way to execute the INSERT operation in Postgres without writing the query. Jan 12, 2022 · 2 I have a pretty simple json file that represents a network (see below). Nov 21, 2023 · The PostgreSQL database server supports the JSON data type to store semi-structured data. Documentation JSON Schema is a widely used tool. Insert JSON data To insert data into a JSON column, you have to ensure that data is in a valid JSON format. The PostgreSQL schema can be drop before deploying the tables. Nov 13, 2025 · There are also assorted JSON-specific functions and operators available for data stored in these data types; see Section 9. deriving the new value from the old one - in Postgres? It turns out I can, with the help of a temporary table and jsonb_to_recordset that can turn a jsonb value into a table and row_to_json + jsonb_agg that can turn that back to jsonb. Usage Let’s start with a jsonschema: JSON and JSONB type allows you to store unstructured data in Postgres. I want to create a table with one of a fields of J Oct 11, 2024 · Tired of wrestling with complex JSON queries in PostgreSQL? Discover how the new SQL/JSON functions — JSON_QUERY(), JSON_EXISTS(), and… Jul 23, 2025 · Insert a pandas DataFrame to an existing PostgreSQL table using sqlalchemy. This guide explores the differences between JSON and JSONB data types, their use cases, and best practices for implementation. Mar 23, 2025 · A comprehensive guide to working with JSON data in PostgreSQL with practical examples of common JSON operations. 14. to_jsonb(t. Complex JSON Array Construction More advanced use cases maybe require nesting JSON arrays and objects. Working with JSON arrays in PostgreSQL involves various operations, such as inserting, querying, and manipulating JSON data. Jan 1, 2019 · I have a json field called 'elements' in my table demo which contains an array 'data' containing key value pairs. Jul 8, 2014 · I'd like to set up a postgres view which outputs its results as json. Converting JSON to SQL transforms structured, hierarchical data into SQL statements that can create and populate relational database tables. As an example I created a structure as follows: -- Apr 25, 2024 · PostgreSQL, known for its flexibility and reliability, provides built-in support for JSON (JavaScript Object Notation) data, allowing developers to efficiently work with semi-structured data. CREATE TABLE example ( Jan 13, 2025 · JSON Data, short for JavaScript Object Notation, is an open standard format that structures data in key-value pairs and arrays. 5 new JSONB operators: ||: Concatenate two JSONB -: Delete key Available as extions for 9. Do it the easy way with tabe. Nov 13, 2025 · To provide native support for JSON data types within the SQL environment, PostgreSQL implements the SQL/JSON data model. I use : GetFile->InferAvroSchema-> I want to cr Jun 27, 2025 · Learn how to create tables in PostgreSQL using psql or pgAdmin. May 26, 2024 · Press enter or click to view image in full size PostgreSQL is a powerful, open-source relational database system that supports a wide range of data types and functionalities, including JSON data Jun 6, 2023 · 1 I have a PostgreSQL table with a JSONB column that contains JSON data representing different entities. Jul 14, 2021 · PostgreSQL has built-in JSON generators that can be used to create structured JSON output right in the database, upping performance and radically simplifying web tiers. See: Return as array of JSON objects in SQL (Postgres) ③ And I raise an exception if the symbol is not May 6, 2025 · Extracting JSON array element examples Let’s explore some examples of using the -> and ->> operators. Nov 28, 2016 · I am using GoLang in the back-end and PostgreSQL as a database. Jul 31, 2023 · You can only create indexes on your table’s JSON data if you use the JSONB datatype, but you should do that instead of using the JSON datatype, anyway. They allow you to store, organize, and retrieve structured data efficiently. Flatten nested JSON. Also see the Github page for source code and discussion! Jun 3, 2024 · Summary: In this tutorial, you will learn how to create a PostgreSQL JSON index for a JSONB column to improve query performance. In this article, we would like to show you how to create table with JSON field in PostgreSQL. Explore techniques for extracting specific JSON keys, filtering rows based on JSON data criteria, handling nested JSON structures, and troubleshooting common issues to master the art of managing unstructured data in PostgreSQL. * JSON: Stores JSON data as plain text. Learn how to create, insert, query, and fix issues in JSON and JSONB data types effectively. How to use deferrable foreign keys. Aug 13, 2015 · In a generic scenario you can nest more than one json_object_agg functions on top of a subquery. 3, there are multiple ways to build an expression, which points to a json field's nested property: Aug 7, 2024 · PostgreSQL offers two data types to store JSON: JSON and JSONB. I need to get as a result from query fully structured JSON. How to implement full text search with PostgreSQL. Aug 30, 2016 · 89 It turns out there's an easy way to import a multi-line JSON object into a JSON column in a postgres database using the command line psql tool, without needing to explicitly embed the JSON into the SQL statement. The relationships between the tables can be created as well with the create_links JSON Schema Database ¶ A simple utility to convert JSON Schemas into relational tables in Postgres/Redshift. Mar 30, 2023 · In PostgreSQL, you can have a JSON-type column in your table to store the JSON string. Let us delve into understanding the differences between these types, how to create a PostgreSQL table with a JSON column, and how to insert a JSON object using Java’s PreparedStatement. Feb 2, 2016 · thanks for the inputs guys but i just found out that i had to upgrade postgresql from 9. Dec 23, 2024 · Learn how to query JSON data in PostgreSQL using JSON operators and functions. May 8, 2024 · JSONB, or JSON Binary, is a more efficient way to store and manipulate JSON data in PostgreSQL. May 12, 2014 · Create table based on JSON file in PostgreSQL Asked 11 years, 6 months ago Modified 7 years, 3 months ago Viewed 6k times Oct 4, 2024 · This tutorial explains how to export a table to a JSON file in PostgreSQL, including an example. Table of Contents Introduction to PostgreSQL JSON index PostgreSQL JSON index examples 1) Setting up a sample table 2) Creating an index on the JSONB column 3) Creating an index on the JSONB column with the GIN Jan 24, 2016 · Now I use to manually parse json into insert string like so insert into Table (field1, field2) values (val1, val2) but its not comfortable way to insert data from json! I've found function Sep 12, 2021 · is there any way for me to create a json file from postgres table as i did create using copy to but when i create in a postgres function to be scheduled, it is unable to capture the parameters as With postgresql 9. Apr 24, 2014 · In PostgreSQL 9. Jan 18, 2016 · Every row in the database can then hold one json document.