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ARRAY_AGG in PostgreSQL - Examples & AI Generator
ARRAY_AGG in PostgreSQL - Examples & AI Generator
ARRAY_AGG in PostgreSQL lets you aggregate values from multiple rows into an array, enabling concise, compact data retrieval—no manual joins or subqueries needed. However, remembering the exact PostgreSQL ARRAY_AGG syntax can slow you down, especially when deadlines are tight or you're working across databases. AI2sql solves this by generating production-ready ARRAY_AGG queries instantly from plain English, with no coding required. Stop memorizing syntax and focus on insights—AI2sql supports 50,000+ users in 80+ countries with instant SQL generation tailored for PostgreSQL.
ARRAY_AGG Syntax in PostgreSQL
Basic Syntax
- expression: The column or value to aggregate. - ORDER BY: (Optional) Specifies the order of array elements.
PostgreSQL-Specific Notes
ARRAY_AGG returns an array data type, unique to PostgreSQL compared to databases like MySQL or SQL Server.
ORDER BY clause inside ARRAY_AGG is supported for ordered arrays.
ARRAY_AGG Examples You Can Generate Instantly
Copy, paste, or generate equivalent queries in 10 seconds with AI2sql—no coding skills needed. Business-ready scenarios below:
1. Group Customer Emails by Country
Result: Get each country with an array of its customers' emails.
2. List Products Ordered in Each Order (Sorted by Name)
Result: Returns each order with a sorted array of product names.
3. Aggregate Order Dates for Each Customer
Result: Shows each customer with all their order dates as an array.
Generate ARRAY_AGG queries in 10 seconds with AI2sql.
Why Use AI2sql Instead of Manual ARRAY_AGG Coding
Save time: No more searching documentation for PostgreSQL ARRAY_AGG syntax—get instant results.
Reduce errors: AI2sql produces production-ready code, minimizing costly mistakes.
Focus on insights: Skip repetitive coding and turn natural language into optimized SQL in seconds.
Trusted by 50,000+ users in 80+ countries.
Frequently Asked Questions
What does ARRAY_AGG do in PostgreSQL?
ARRAY_AGG aggregates column values into a PostgreSQL array, enabling complex analytics and reporting in a single step.
Can I use ORDER BY inside ARRAY_AGG in PostgreSQL?
Yes, you can sort elements within each group using ORDER BY inside ARRAY_AGG.
What's the fastest way to generate ARRAY_AGG queries?
Use AI2sql’s AI SQL generator for instant, high-quality ARRAY_AGG queries with no coding required.
Takeaway: Don’t get stuck on PostgreSQL ARRAY_AGG syntax. Use AI2sql to generate your first query now and experience 10-second, no-code SQL creation.
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