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Updated today · Independent Analysis
ClickHouse vs Oracle Database 23ai
Capability Overview
ClickHousevs Oracle Database 23ai
4.5G2+0.1 vs Oracle Database 23ai
Only in ClickHouse
- ✦ Column-oriented storage
- ✦ Vectorized query execution
- ✦ Real-time ingestion
✓ Free planFrom $66.52/moN/A users · est.
Oracle Database 23aivs ClickHouse
4.4G2-0.1 vs ClickHouse
Only in Oracle Database 23ai
- ✦ AI Vector Search
- ✦ SQL & PL/SQL
- ✦ Real Application Clusters (RAC)
✓ Free planFortune 500 users · est. 1979
Quick VerdictIndependent Analysis
ClickHouse and Oracle Database 23ai are both Databases tools. Compare features, pricing, and ratings below to find the best fit for your team.
When to Choose ClickHouse vs Oracle Database 23ai
The question that matters: “In what situation will I regret choosing A over B after 3 months?”
ClickHouse Unique Strength
Real-time Product Analytics
Ingest clickstream events via Kafka, query 100B rows in under 1 second for live dashboards
→ Choose ClickHouse if this scenario applies to you. Oracle Database 23ai doesn't offer a comparable solution.
ClickHouse Unique Strength
Log Analytics Pipeline
Store and query server logs at petabyte scale with 10x better compression than Elasticsearch
→ Choose ClickHouse if this scenario applies to you. Oracle Database 23ai doesn't offer a comparable solution.
ClickHouse Unique Strength
Ad Tech Reporting
Count unique users and calculate click-through rates across billions of ad impressions in milliseconds
→ Choose ClickHouse if this scenario applies to you. Oracle Database 23ai doesn't offer a comparable solution.
ClickHouse Unique Strength
Time-series Monitoring
Replace InfluxDB with ClickHouse for metrics storage, gaining SQL query support and better compression
→ Choose ClickHouse if this scenario applies to you. Oracle Database 23ai doesn't offer a comparable solution.
Pricing Comparison & PlansHigh· Verified Jul 2, 2026
ClickHouse Plans
Free tier available
Open Source
Open SourceBest for: This free plan is ideal for users who prefer self-hosting and managing their own ClickHouse deployments
- ✓Self-hosted deployment
- ✓Open-source columnar database
- ✓Real-time analytics on massive datasets
- ✓No cost for software
View on vendor site
MOST POPULARBasic
$67/moBest for: Testing / starter projects
- ✓1 replica x 8 GiB RAM, 2 vCPU
- ✓500 GB compressed data
- ✓500 GB backup data
- ✓10 GB public internet egress data transfer
- ✓Expert support with 1 business day response time
View on vendor site
Scale
$499/moBest for: Production + data at scale
- ✓Unlimited storage
- ✓Configurable memory
- ✓Compute-compute separation
- ✓2+ availability zones
- ✓Expert support with 1 hour response time 24x7 for Severity 1 issues
View on vendor site
Enterprise
Contact SalesBest for: Very large scale + enterprise
- ✓SAML Single sign-on authentication (SSO)
- ✓Private regions
- ✓Manual vertical scaling for custom profiles
- ✓Enterprise support with 30 min response time for Severity 1 issues
- ✓Named Lead Support Engineer
View on vendor site
Oracle Database 23ai Plans
Free tier available
Oracle Database Free
FreeBest for: Ideal for developers and small projects to explore features without cost
- ✓Development and evaluation
- ✓AI Vector Search prototyping
View on vendor site
MOST POPULARStandard Edition 2
Contact SalesBest for: Suitable for small to medium businesses needing a robust database solution
- ✓Base database functionality
- ✓Suitable for mid-market organizations
View on vendor site
Enterprise Edition
Contact SalesBest for: Designed for large enterprises requiring maximum performance, scalability, and advanced features
- ✓AI Vector Search included
- ✓Spatial and Graph included
- ✓Three pluggable databases included
- ✓Advanced security
- ✓Advanced compression
View on vendor site
Autonomous Database
Contact SalesBest for: Offers a self-driving, self-securing, and self-repairing database for mission-critical workloads
- ✓Autonomous AI Transaction Processing
- ✓Autonomous AI Lakehouse
- ✓Autonomous AI JSON Database
- ✓Oracle APEX included
- ✓Bring Your Own License (BYOL) option available
View on vendor site
Capability Breakdown
14 differences found across 18 standardized features
Feature
ClickHouse
Oracle Database 23ai
Self-Hosted
✓
✗
Open Source
✓
✗
SQL Support
✓
✗
ACID Transactions
✗
✓
Column-oriented
✓
✗
Real-time Ingestion
✓
✗
Full-Text Search
✗
✓
Replication
✓
✗
Geospatial
✓
✗
Time-series
✓
✗
OLAP Optimized
✓
✗
Vector Search
✗
✓
Multi-Model
✗
✓
Serverless
✗
✓
Total (raw)
14
20
ClickHouse Features
- •Column-oriented storage
- •Vectorized query execution
- •Real-time ingestion
- •Kafka integration
- •SQL support
- •Distributed tables
- •Compression (LZ4/ZSTD)
- •Approximate query functions
- •Materialized views
- •Replicated tables
- •JSON support
- •Geospatial functions
- •Time-series optimizations
- •REST and native protocols
Oracle Database 23ai Features
- •AI Vector Search
- •SQL & PL/SQL
- •Real Application Clusters (RAC)
- •Multitenant Architecture
- •In-Memory Option
- •Advanced Compression
- •Transparent Data Encryption
- •Data Guard (HA)
- •GoldenGate (CDC)
- •Blockchain Tables
- •JSON Relational Duality Views
- •Spatial & Graph
- •Oracle Autonomous Database
- •Exadata Integration
- •Parallel Execution
- •Partitioning
- •REST API
- •SDK
- •CLI
- •Connection Pooling
Strengths & Limitations
Evaluative strengths and weaknesses: not feature lists
Pros
- +Scans billions of rows per second via vectorized query execution
- +Materialized Views for real-time, incremental data aggregation
- +High-ratio data compression (LZ4, ZSTD) drastically cuts storage costs
- +Natively handles semi-structured data (JSON, maps, arrays) at scale
- +Full-featured, production-ready open-source core; no vendor lock-in
Cons
- −No multi-row transactions (ACID); not suitable for OLTP workloads
- −Point updates and deletes are expensive, batch-oriented operations
- −Limited full-text search capabilities compared to dedicated search engines
- −Operational complexity for self-hosted clusters (sharding, replication)
- −Steep learning curve for its non-standard SQL dialect and functions
Pros
- +45+ year track record in mission-critical enterprise deployments
- +Built-in AI vector search in 23ai
- +RAC clustering for extreme high availability
- +Most feature-complete enterprise SQL database
Cons
- −I am not directly involved in the pricing case of WebLogic, as the other team is looking at budgeting and costing.
- −Oracle Database needs improvement in data analytics capabilities, AI involvement, machine learning, and deep learning.
- −Areas of Oracle Database that have room for improvement include the license policy.
- −The dashboard is not user-friendly, and I would like to see it improved.
- −Regarding room for improvement, there is not anything specific from a feature standpoint, as Oracle is a database company always e
At a Glance
User Rating
4.5/5vs4.4/5
ClickHouse
▲
Oracle Database 23ai
Starting Price
$66.52/movsFree tier
ClickHouse
▲
Oracle Database 23ai
Feature Count
14 featuresvs20 features
ClickHouse
Oracle Database 23ai
▲
User Base
0vs500
ClickHouse
Oracle Database 23ai
▲
ClickHouse · Price & Data SyncLast verified: June 28, 2026 · CE-DB-2026W23-A00E90 · ✓ Pricing updated Jun 7, 2026
Oracle Database 23ai · Price & Data SyncLast verified: July 2, 2026 · CE-DB-2026W22-3353AD · ✓ Pricing updated May 30, 2026
Recent Price History
ClickHouse
ClickHouse updated "Scale" from Custom to $499.38/mo
Price change · Jun 7, 2026
ClickHouse
ClickHouse updated "Basic" from Custom to $66.52/mo
Price change · Jun 7, 2026
ClickHouse
ClickHouse removed the "Cloud Dedicated" plan
Plan removed · May 30, 2026
ClickHouse
ClickHouse removed the "Cloud Production" plan
Plan removed · May 30, 2026
ClickHouse
ClickHouse removed the "Cloud Development" plan
Plan removed · May 30, 2026
Oracle Database 23ai
Oracle Database 23ai removed the "Standard Edition 2 (SE2)" plan
Plan removed · May 30, 2026
Oracle Database 23ai
Oracle Database 23ai added a new "Standard Edition 2" plan (Custom pricing)
Plan added · May 30, 2026
Oracle Database 23ai
Oracle Database 23ai removed the "Autonomous DB" plan
Plan removed · May 21, 2026
Oracle Database 23ai
Oracle Database 23ai removed the "Enterprise" plan
Plan removed · May 21, 2026
Oracle Database 23ai
Oracle Database 23ai removed the "Oracle Free" plan
Plan removed · May 21, 2026
Frequently Asked Questions
Related Comparisons
ClickHouseFree · from $66.52/mo
Oracle Database 23aiFree planSources & Data Trail · ClickHouse
- 1.Official Pricing Page·Source of verified tiers(Checked: 2026-06-28)
- 2.Official Website·Official vendor website
- 3.G2·G2 verified reviews · 4.5/5 · 23 reviews
- 4.TrustRadius·TrustRadius verified reviews
- 5.PeerSpot·PeerSpot enterprise peer reviews
Sources & Data Trail · Oracle Database 23ai
- 1.Official Pricing Page·Source of verified tiers(Checked: 2026-07-02)
- 2.Official Website·Official vendor website
- 3.TrustRadius·TrustRadius verified reviews
- 4.PeerSpot·PeerSpot enterprise peer reviews