What are structured data tools?
Asked "What are structured data tools?", Gemini, Google AI Mode and Perplexity named 35 distinct tools across 15 answers on August 17, 2026, and 6 of them in two or more answers, and all 3 engines agreed on PostgreSQL, the only tool every engine named.
Measured acrossGeminiGoogle AI ModePerplexity
6 of 35 names confirmed · named in 2 or more of 15 answers · asked August 17, 2026 · 3 engines
Structured data tools are software applications designed to create, manage, store, analyze, or validate data that follows a highly organized, predefined format, making it easy to query and extract insights.
- 1MySQLnamed in 3 of 15 answers
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- 2PostgreSQLnamed in 3 of 15 answers
- 3SQLitenamed in 2 of 15 answers
- 4Microsoft SQL Servernamed in 2 of 15 answers
- 5Oracle Databasenamed in 2 of 15 answers
- 6Tableaunamed in 2 of 15 answers
- 7Google's Rich Results Testnamed in 1 of 15 answersone answer
- 8Merkle's Schema Generatornamed in 1 of 15 answersone answer
- 9Google Search Consolenamed in 1 of 15 answersone answer
- 10Google Structured Data Markup Helpernamed in 1 of 15 answersone answer
- 11Microsoft Excelnamed in 1 of 15 answersone answer
- 12Microsoft Power BInamed in 1 of 15 answersone answer
- 13Google Sheetsnamed in 1 of 15 answersone answer
- 14Schema.org Validatornamed in 1 of 15 answersone answer
- 15Google Rich Results Testnamed in 1 of 15 answersone answer
- 16QlikViewnamed in 1 of 15 answersone answer
- 17JSON-LDnamed in 1 of 15 answersone answer
- 18Schema Appnamed in 1 of 15 answersone answer
- 19RDFanamed in 1 of 15 answersone answer
- 20Yoast SEOnamed in 1 of 15 answersone answer
- 21dbdiagram.ionamed in 1 of 15 answersone answer
- 22Structured Data Markup Helpernamed in 1 of 15 answersone answer
- 23ERwinnamed in 1 of 15 answersone answer
- 24IBMnamed in 1 of 15 answersone answer
- 25Lucidchartnamed in 1 of 15 answersone answer
LOCKED
The full measurement
- The position each of the 3 engines gave all 35 names.
- How many of the 15 answers named each of them.
- 43 sampled observations behind this ranking, and where the engines disagree.
- Fan-out — the query each engine actually searched.
- Every citation, and the sources nobody cited.