Microsoft SQL Server 2017 Enterprise Edition
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Overview:
1. Edition: Microsoft SQL Server 2017 (Standard / Enterprise / Express / Developer)
2. Release Date: October 2, 2017
3. Supported Platforms: Windows, Linux, and Docker containers
4. License Model: Core-based or Server + CAL
5. Main Focus: Cross-platform support, adaptive query performance, and built-in AI integration
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⚙️ Core Database Engine Features
Feature |
Description |
Cross-Platform Support |
First SQL Server version to run on Windows, Linux, and in Docker containers. |
Adaptive Query Processing |
Automatically adjusts execution plans for changing workloads — improving performance without manual tuning. |
Automatic Plan Correction |
Detects and fixes query performance regressions automatically. |
Resumable Online Index Rebuilds |
Enables pausing/resuming of index rebuilds to reduce downtime during maintenance. |
Graph Database Support |
Introduces node and edge tables for modeling complex relationships like social networks or hierarchies. |
String Aggregation (STRING_AGG) |
Simplifies text concatenation in SQL queries. |
JSON Support |
Store, query, and format JSON data natively. |
Temporal Tables |
Keep a full history of data changes for auditing or version tracking. |
Query Store |
Tracks query performance history and helps troubleshoot regressions. |
Dynamic Data Masking (DDM) |
Protects sensitive data by masking it from unauthorized users. |
Row-Level Security (RLS) |
Restricts data access based on user identity or role. |
Always Encrypted |
Protects sensitive data at rest and in transit. |
Stretch Database |
Migrate historical data transparently to Azure for lower-cost storage. |
Table-Valued Parameters & JSON Functions |
Improved developer flexibility for app integration. |
Security and Compliance
Feature |
Description |
Always Encrypted |
Data remains encrypted during computation and transmission. |
Row-Level Security (RLS) |
Granular control over which users can access specific data rows. |
Dynamic Data Masking (DDM) |
Masks sensitive data in real time based on user privileges. |
Backup Encryption |
Ensures secure data backups with encryption algorithms. |
Auditing Enhancements |
Improved tracking of user and system activity. |
Azure Active Directory Authentication |
Secure authentication for hybrid and cloud environments. |
Performance and Scalability
Feature |
Description |
Adaptive Query Processing (AQP) |
Dynamically adjusts execution plans to optimize performance. |
Automatic Database Tuning |
Self-corrects query performance issues automatically. |
In-Memory OLTP (Memory-Optimized Tables) |
Boosts transaction throughput for high-concurrency workloads. |
Columnstore Indexes |
Enables high compression and fast analytic queries. |
Query Store |
Tracks and optimizes query performance over time. |
Persistent Memory (NVDIMM) Support |
Faster transaction logging and checkpointing. |
Buffer Pool Extension |
Uses SSDs to expand memory cache. |
High Availability and Disaster Recovery (HA/DR)
Feature |
Description |
Basic Availability Groups (Standard Edition) |
Offers HA with 2 replicas and automatic failover. |
Always On Availability Groups (Enterprise) |
Up to 8 replicas with advanced failover support. |
Automatic Seeding |
Automatically initializes secondary replicas. |
Cross-Platform Replication (Linux ↔ Windows) |
Replication supported across operating systems. |
Online Index Rebuilds |
Perform index maintenance without downtime. |
Backup to Azure |
Simplified offsite backup to Microsoft Azure. |
Business Intelligence and Data Analytics
Feature |
Description |
SQL Server Reporting Services (SSRS) |
Modern web-based report portal with KPIs and mobile reports. |
SQL Server Analysis Services (SSAS) |
Tabular models upgraded to 1400 compatibility level (faster DAX and memory efficiency). |
SQL Server Integration Services (SSIS) |
Supports deployment to Linux and integration with Azure Data Factory. |
R & Python Integration (Machine Learning Services) |
Run advanced analytics and machine learning directly inside SQL Server. |
PolyBase (External Data Access) |
Query external data sources (Hadoop, Oracle, Azure Blob, etc.) using T-SQL. |
Data Quality Services (DQS) |
Cleansing and matching data using rules and reference data. |
☁️ Cloud Integration and Hybrid Features
Feature |
Description |
Backup to Microsoft Azure |
Natively back up databases to Azure Storage. |
Stretch Database to Azure |
Migrate cold data to Azure for cost savings. |
Integration with Azure SQL Database |
Seamless migration and hybrid scenarios. |
Azure Active Directory Authentication |
Integrated identity management for cloud and on-premises. |
Docker & Container Deployment |
SQL Server 2017 can run as a container for cloud-native workloads. |
Developer and Programmability Features
Feature |
Description |
Cross-Platform Development |
Works on Windows, Linux, and Docker for maximum flexibility. |
Support for Multiple Languages |
Native execution of R and Python for AI/ML. |
New T-SQL Enhancements |
Includes TRIM, CONCAT_WS, STRING_AGG, and TRANSLATE. |
CLR Integration |
Common Language Runtime for .NET code execution inside SQL Server. |
Graph Extensions |
Model many-to-many relationships using nodes and edges. |
JSON Support |
Parse and format JSON directly in T-SQL. |
Linux Command-Line Tools |
Includes sqlcmd and bcp utilities for Linux environments. |
System Requirements (Minimum)
Component |
Requirement |
CPU |
x64 processor (1.4 GHz or faster) |
Memory (Min) |
4 GB (recommended 8 GB+) |
Disk Space |
6 GB minimum for installation |
Supported OS |
Windows Server 2012 R2 or later, or major Linux distros (Red Hat, Ubuntu, SUSE) |
.NET Framework |
4.6 or later (Windows only) |
Architecture |
64-bit only |
Key Improvements Over SQL Server 2016
Area |
Improvement |
Platform |
Added full Linux and Docker support. |
Performance |
Introduced Adaptive Query Processing & Automatic Tuning. |
Analytics |
Added Python integration (Machine Learning Services). |
Database Engine |
Added Graph Data support and resumable index rebuilds. |
T-SQL |
Introduced new functions (STRING_AGG, TRIM, TRANSLATE). |
High Availability |
Enhanced Always On AGs with cross-platform replication. |
✅ In Summary — SQL Server 2017 Highlights
-
Cross-platform (Windows, Linux, Docker)
-
Adaptive Query Processing for smarter performance
-
Graph Database capabilities
-
Machine Learning with R and Python
-
PolyBase for querying external data
-
Improved HA/DR and cloud integration
-
Advanced security (RLS, DDM, Always Encrypted)
Microsoft SQL Server 2017 – Standard vs Enterprise Edition (Full Technical Comparison)
Category |
SQL Server 2017 Standard Edition |
SQL Server 2017 Enterprise Edition |
Release Date |
October 2017 |
October 2017 |
Supported Platforms |
Windows & Linux |
Windows & Linux |
Licensing Model |
Core-based or Server + CAL |
Core-based only |
Target Audience |
Small to medium businesses |
Large enterprises, mission-critical workloads |
⚙️ Core Database Engine
Feature |
Standard Edition |
Enterprise Edition |
Max Compute Capacity (SQL Engine) |
Lesser of 4 sockets or 24 cores |
OS maximum (no limit) |
Max Compute Capacity (Analysis/Reporting) |
Lesser of 4 sockets or 24 cores |
OS maximum |
Max Memory (Database Engine) |
128 GB |
OS maximum |
Max Memory (Columnstore Cache) |
32 GB |
OS maximum |
Max Memory (SSAS) |
16 GB per instance |
OS maximum |
Max Database Size |
524 PB |
524 PB |
Maximum Instances per Server |
50 |
50 |
In-Memory OLTP (Memory-Optimized Tables) |
Limited (32 GB per DB) |
Full support |
Table Partitioning |
❌ |
✅ |
Data Compression (Row, Page) |
❌ |
✅ |
Columnstore Indexes |
✅ (Nonclustered only) |
✅ (Clustered & Nonclustered) |
In-Memory Columnstore |
Limited |
Full |
Table/Index Rebuild (Resumable) |
✅ |
✅ |
Temporal Tables |
✅ |
✅ |
Query Store |
✅ |
✅ |
Automatic Plan Correction |
✅ |
✅ |
Adaptive Query Processing |
✅ (basic) |
✅ (full) |
PolyBase (Query External Data) |
✅ (limited connectors) |
✅ (all connectors, including Hadoop, Oracle, Teradata) |
Graph Database |
✅ |
✅ |
JSON Support |
✅ |
✅ |
CLR Integration |
✅ |
✅ |
Stretch Database to Azure |
✅ |
✅ |
Dynamic Data Masking (DDM) |
✅ |
✅ |
Row-Level Security (RLS) |
✅ |
✅ |
Security and Compliance
Feature |
Standard Edition |
Enterprise Edition |
Authentication (Windows, SQL, Azure AD) |
✅ |
✅ |
Always Encrypted |
✅ |
✅ |
Row-Level Security (RLS) |
✅ |
✅ |
Dynamic Data Masking (DDM) |
✅ |
✅ |
Transparent Data Encryption (TDE) |
❌ |
✅ |
Backup Encryption |
✅ |
✅ |
Auditing (Basic) |
✅ |
✅ |
Fine-Grained Auditing |
❌ |
✅ |
Extensible Key Management (EKM) |
✅ |
✅ |
Column-Level Encryption |
✅ |
✅ |
Secure Enclaves (Always Encrypted Enhanced) |
❌ |
❌ (introduced later in 2019) |
Compliance Certifications (FIPS, Common Criteria) |
✅ |
✅ |
Performance and Scalability
Feature |
Standard Edition |
Enterprise Edition |
Query Store |
✅ |
✅ |
Automatic Tuning |
✅ (limited) |
✅ (advanced) |
Adaptive Query Processing |
✅ (batch mode) |
✅ (full) |
Batch Mode on Rowstore |
❌ |
✅ |
Table Variable Deferred Compilation |
✅ |
✅ |
Scalar UDF Inlining |
❌ |
✅ |
Parallel Query Execution |
✅ (limited) |
✅ (unlimited) |
Resource Governor |
❌ |
✅ |
Buffer Pool Extension (SSD caching) |
✅ |
✅ |
Persistent Memory (PMEM) Support |
✅ |
✅ |
Advanced Read-Ahead Optimization |
✅ |
✅ |
Fast Query Execution (IQP) |
Partial |
Full |
Lockless Columnstore Operations |
❌ |
✅ |
Partitioned Table Parallelism |
❌ |
✅ |
Advanced Indexing (Filtered, Compressed, Online) |
❌ |
✅ |
High Availability (HA) & Disaster Recovery (DR)
Feature |
Standard Edition |
Enterprise Edition |
Failover Cluster Instance (FCI) |
✅ (2 nodes max) |
✅ (unlimited nodes) |
Basic Availability Groups |
✅ (2 replicas, 1 DB) |
✅ (8 replicas, multiple DBs) |
Distributed Availability Groups |
❌ |
✅ |
Readable Secondaries |
❌ |
✅ |
Automatic Page Repair |
✅ |
✅ |
Online Index Rebuilds |
✅ (resumable) |
✅ (full online rebuild) |
Online Page & File Restore |
❌ |
✅ |
Hybrid Backup to Azure |
✅ |
✅ |
Database Snapshot |
❌ |
✅ |
Database Mirroring (Deprecated) |
✅ |
✅ |
Log Shipping |
✅ |
✅ |
Accelerated Database Recovery (ADR) |
❌ |
❌ (added in SQL 2019) |
Business Intelligence (BI) & Data Analytics
Feature |
Standard Edition |
Enterprise Edition |
SQL Server Reporting Services (SSRS) |
✅ |
✅ |
SQL Server Analysis Services (SSAS) |
✅ (Tabular models up to 16 GB) |
✅ (Full Tabular + Multidimensional) |
Power BI Report Server Integration |
Optional |
Optional |
Data Mining |
❌ |
✅ |
Advanced DAX Functions (SSAS) |
✅ |
✅ |
DirectQuery Mode (SSAS) |
✅ |
✅ |
In-Memory Analytics (VertiPaq) |
❌ |
✅ |
Integration Services (SSIS) |
✅ |
✅ |
SSIS Scale-Out Master/Worker |
❌ |
✅ |
Machine Learning Services (R & Python) |
✅ (1 concurrent user per instance) |
✅ (multi-user concurrent execution) |
PolyBase (Data Virtualization) |
✅ (limited) |
✅ (full) |
Data Quality Services (DQS) |
✅ |
✅ |
Master Data Services (MDS) |
❌ |
✅ |
☁️ Cloud and Hybrid Integration
Feature |
Standard Edition |
Enterprise Edition |
Backup to Azure |
✅ |
✅ |
Database Files in Azure |
✅ |
✅ |
Stretch Database |
✅ |
✅ |
Azure Active Directory Authentication |
✅ |
✅ |
PolyBase for External Data |
✅ (basic) |
✅ (full) |
Integration with Azure Data Factory |
✅ |
✅ |
Linked Servers / External Tables |
✅ |
✅ |
Always On AG to Azure VM |
❌ |
✅ |
Cloud Witness for Failover |
✅ |
✅ |
Developer and Programmability Features
Feature |
Standard Edition |
Enterprise Edition |
Transact-SQL (T-SQL) |
✅ |
✅ |
Common Language Runtime (CLR) |
✅ |
✅ |
Graph Tables (Nodes & Edges) |
✅ |
✅ |
JSON Support |
✅ |
✅ |
Stored Procedures, Views, Triggers |
✅ |
✅ |
Dynamic Management Views (DMVs) |
Partial |
Full |
Extended Events |
✅ |
✅ |
Service Broker |
✅ |
✅ |
Change Data Capture (CDC) |
❌ |
✅ |
Change Tracking |
✅ |
✅ |
Replication (Snapshot, Transactional) |
✅ |
✅ |
Peer-to-Peer Replication |
❌ |
✅ |
Linked Servers |
✅ |
✅ |
CLR Integration |
✅ |
✅ |
System Requirements (Minimum)
Component |
Standard Edition |
Enterprise Edition |
Processor (CPU) |
x64, 1.4 GHz or faster |
x64, 1.4 GHz or faster |
Memory (Min) |
4 GB (8 GB recommended) |
4 GB (16 GB+ recommended) |
Disk Space |
6 GB |
6 GB |
Operating System |
Windows Server 2012 R2+ / Linux |
Windows Server 2012 R2+ / Linux |
.NET Framework |
4.6+ |
4.6+ |
Architecture |
64-bit only |
64-bit only |
Key Advantages of Enterprise Edition Over Standard
Area |
Enterprise Advantage |
Performance & Scalability |
Unlimited CPU & RAM, partitioning, compression, resource governor |
Security |
Transparent Data Encryption (TDE), fine-grained auditing |
High Availability |
Multi-database, multi-replica Always On AG, distributed AG, online restore |
Analytics |
Advanced SSAS, in-memory BI, Master Data Services |
Data Management |
Change Data Capture (CDC), peer-to-peer replication |
In-Memory Performance |
Full In-Memory OLTP & Columnstore |
BI & ML |
Unlimited parallel R/Python execution |
Operational Efficiency |
Online index rebuilds, resource governance, partition switching |
✅ Summary – SQL Server 2017 Edition Comparison
Category |
Standard Edition |
Enterprise Edition |
Best For |
Mid-tier applications, departmental databases |
Mission-critical workloads, enterprise-scale analytics |
Max Cores |
24 |
Unlimited |
Max RAM |
128 GB |
Unlimited |
High Availability |
Basic AG (2 replicas) |
Always On AG (8 replicas, distributed) |
Security |
Advanced (no TDE) |
Enterprise-grade (TDE, full auditing) |
Performance |
Strong |
Maximum |
BI/Analytics |
Core BI |
Full BI, Data Mining, MDS |
Machine Learning |
Limited concurrency |
Multi-user, scalable |
Licensing |
Core or Server + CAL |
Core-only |
Microsoft SQL Server Enterprise Editions: 2016 vs 2017 vs 2019 vs 2022
Category |
SQL Server 2016 Enterprise |
SQL Server 2017 Enterprise |
SQL Server 2019 Enterprise |
SQL Server 2022 Enterprise |
Release Date |
June 2016 |
October 2017 |
November 2019 |
November 2022 |
Supported OS |
Windows Server only |
Windows & Linux |
Windows & Linux |
Windows & Linux |
Latest Service Pack / CU |
SP3 (final) |
CU30+ |
CU26+ |
CU9+ |
Core Licensing Model |
Core-based |
Core-based |
Core-based |
Core-based |
Maximum Memory (Buffer Pool) |
OS Maximum |
OS Maximum |
OS Maximum |
OS Maximum |
Maximum Compute Capacity |
OS Maximum |
OS Maximum |
OS Maximum |
OS Maximum |
Maximum Database Size |
524 PB |
524 PB |
524 PB |
524 PB |
Virtualization Rights |
Unlimited VMs per licensed host |
Unlimited VMs |
Unlimited VMs |
Unlimited VMs |
⚙️ Database Engine and Core Features
Feature |
2016 |
2017 |
2019 |
2022 |
In-Memory OLTP |
✅ |
✅ |
✅ (improved) |
✅ (enhanced scalability) |
Columnstore Indexes |
✅ |
✅ (faster rebuilds) |
✅ (batch mode on rowstore) |
✅ (automatic tiering) |
Query Store |
✅ |
✅ |
✅ |
✅ (enhanced with intelligent query processing) |
Automatic Tuning |
❌ |
✅ (basic) |
✅ (improved) |
✅ (with AI-driven feedback loops) |
Table Partitioning |
✅ |
✅ |
✅ |
✅ |
Stretch Database (Azure) |
✅ |
✅ |
✅ (deprecated later) |
❌ (deprecated) |
Graph Database Support |
❌ |
✅ (introduced) |
✅ (enhanced MATCH syntax) |
✅ |
UTF-8 Data Support |
❌ |
❌ |
✅ (new feature) |
✅ |
Ledger Tables (Blockchain) |
❌ |
❌ |
❌ |
✅ (new for 2022) |
JSON Support |
✅ (read/write) |
✅ |
✅ |
✅ |
PolyBase (External Data Query) |
✅ (Hadoop, Azure Blob) |
✅ (expanded sources) |
✅ (supports Oracle, MongoDB, etc.) |
✅ (supports S3, Azure Synapse, BigQuery) |
Big Data Clusters |
❌ |
❌ |
✅ (Kubernetes-based) |
❌ (deprecated) |
Temporal Tables |
✅ |
✅ |
✅ |
✅ |
T-SQL Enhancements |
✅ |
✅ (new TRIM, STRING_AGG, etc.) |
✅ (improved functions) |
✅ (DATETRUNC, GENERATE_SERIES, GREATEST/LEAST) |
Security Features
Feature |
2016 |
2017 |
2019 |
2022 |
Always Encrypted |
✅ |
✅ (improved key management) |
✅ (secure enclaves) |
✅ (enhanced with Azure Key Vault integration) |
Row-Level Security (RLS) |
✅ |
✅ |
✅ |
✅ |
Dynamic Data Masking (DDM) |
✅ |
✅ |
✅ |
✅ |
Transparent Data Encryption (TDE) |
✅ |
✅ |
✅ |
✅ (AES-256 support, key hierarchy in Azure) |
Data Classification |
❌ |
❌ |
✅ |
✅ |
Secure Enclaves |
❌ |
❌ |
✅ (Always Encrypted with Enclaves) |
✅ |
Ledger (Immutable Audit) |
❌ |
❌ |
❌ |
✅ |
Azure AD Authentication |
❌ |
✅ |
✅ |
✅ (improved hybrid AD auth) |
TLS 1.2+ Support |
✅ |
✅ |
✅ |
✅ (default TLS 1.3 ready) |
Performance and Intelligent Query Processing
Feature |
2016 |
2017 |
2019 |
2022 |
Query Optimizer Enhancements |
✅ (Query Store) |
✅ (Adaptive Joins) |
✅ (Batch Mode on Rowstore) |
✅ (Cardinality Estimation vNext) |
Adaptive Query Processing |
❌ |
✅ (Adaptive Joins, Memory Grant Feedback) |
✅ (Table Variable Deferred Compilation) |
✅ (Intelligent Query Processing vNext) |
Intelligent Query Processing |
❌ |
❌ |
✅ |
✅ (enhanced with parameter sensitivity feedback) |
Automatic Plan Correction |
❌ |
✅ |
✅ |
✅ |
Scalar UDF Inlining |
❌ |
❌ |
✅ |
✅ |
Approximate Count Distinct |
❌ |
❌ |
✅ |
✅ |
TempDB Optimization |
✅ |
✅ |
✅ |
✅ (further enhanced) |
Buffer Pool Extension |
✅ |
✅ |
✅ |
✅ |
Parallel Processing |
✅ |
✅ |
✅ |
✅ (improved scalability) |
Storage and Data Virtualization
Feature |
2016 |
2017 |
2019 |
2022 |
FileTable & FileStream |
✅ |
✅ |
✅ |
✅ |
Compressed Tables & Backups |
✅ |
✅ |
✅ |
✅ |
Persistent Memory (PMEM) Support |
❌ |
✅ |
✅ |
✅ (optimized) |
Transparent Data Tiering |
❌ |
❌ |
✅ (hot/cold data mgmt) |
✅ (enhanced) |
Data Virtualization via PolyBase |
Limited |
Expanded (ODBC) |
Extended (Oracle, Mongo, Teradata) |
Extended (S3, Synapse, Cosmos DB) |
Backup to Azure |
✅ |
✅ |
✅ |
✅ |
S3-Compatible Object Storage Support |
❌ |
❌ |
❌ |
✅ |
High Availability (HA) and Disaster Recovery (DR)
Feature |
2016 |
2017 |
2019 |
2022 |
Always On Availability Groups |
✅ (8 replicas) |
✅ |
✅ (cross-instance failover) |
✅ (seamless failover to Azure SQL Managed Instance) |
Distributed Availability Groups |
❌ |
✅ |
✅ (enhanced) |
✅ (Azure link integration) |
Failover Cluster Instances (FCI) |
✅ |
✅ |
✅ |
✅ |
Automatic Failover |
✅ |
✅ |
✅ |
✅ (cross-version supported) |
Backup Compression & Encryption |
✅ |
✅ |
✅ |
✅ |
Resumable Online Index Rebuilds |
❌ |
✅ |
✅ |
✅ (resumable create/reorganize) |
Accelerated Database Recovery (ADR) |
❌ |
❌ |
✅ |
✅ (optimized) |
TempDB Metadata Optimization |
❌ |
❌ |
✅ |
✅ |
Business Intelligence (BI) and Machine Learning
Feature |
2016 |
2017 |
2019 |
2022 |
SQL Server Reporting Services (SSRS) |
✅ (modern UI) |
✅ |
✅ (Power BI integration) |
✅ |
SQL Server Analysis Services (SSAS) |
✅ (Tabular & Multidimensional) |
✅ (1400 model support) |
✅ (1500 model) |
✅ (enhanced DAX functions) |
SQL Server Integration Services (SSIS) |
✅ |
✅ (Linux support) |
✅ (Azure Data Factory integration) |
✅ (cloud scale-out) |
R Services (In-Database) |
✅ |
✅ |
✅ |
✅ |
Python Integration |
❌ |
✅ (Machine Learning Services) |
✅ (expanded libraries) |
✅ |
Java Integration |
❌ |
❌ |
✅ |
✅ |
Machine Learning Services |
❌ |
✅ (R/Python) |
✅ |
✅ (auto ML pipelines) |
Big Data Clusters |
❌ |
❌ |
✅ |
❌ (retired) |
Power BI Report Server |
Optional |
Optional |
Optional |
Optional (cloud hybrid ready) |
☁️ Cloud and Hybrid Integration
Feature |
2016 |
2017 |
2019 |
2022 |
Azure Backup & Restore |
✅ |
✅ |
✅ |
✅ (integrated into Azure Arc) |
Stretch Database |
✅ |
✅ |
✅ |
❌ (deprecated) |
PolyBase (Hybrid Querying) |
Limited |
Expanded |
Full (multiple connectors) |
Extended (object storage, Synapse) |
Azure Active Directory Integration |
❌ |
✅ |
✅ |
✅ (native AD auth for hybrid) |
Azure Synapse Link |
❌ |
❌ |
❌ |
✅ (direct operational analytics) |
Azure Arc Integration |
❌ |
❌ |
❌ |
✅ (centralized hybrid management) |
Cloud Disaster Recovery |
Manual |
Manual |
Semi-Automated |
Automated (Managed Instance Link) |
Licensing and Management Tools
Feature |
2016 |
2017 |
2019 |
2022 |
Licensing Model |
Core-based |
Core-based |
Core-based |
Core-based |
Management Tool |
SSMS (2016) |
SSMS (17.x) |
SSMS (18.x) |
SSMS (19.x) |
SQL Server Data Tools (SSDT) |
✅ |
✅ |
✅ |
✅ |
Azure Data Studio |
❌ |
✅ |
✅ |
✅ |
PowerShell Integration |
Basic |
Improved |
Improved |
Improved (cross-platform) |
Dynamic Management Views (DMVs) |
✅ |
✅ |
✅ (expanded) |
✅ (expanded) |
System Requirements (Typical Minimums)
Component |
2016 |
2017 |
2019 |
2022 |
CPU |
1.4 GHz x64 (2.0+ recommended) |
Same |
Same |
Same |
Memory |
4 GB min (8 GB+ recommended) |
Same |
Same |
Same |
Storage |
6 GB min |
6 GB min |
6 GB min |
8 GB min |
OS |
Windows Server 2012+ |
Windows Server 2012 R2 / Linux (Ubuntu, RHEL) |
Windows Server 2016+ / Linux |
Windows Server 2019+ / Linux |
.NET Framework |
4.6+ |
4.6+ |
4.7+ |
4.8+ |
Architecture |
64-bit only |
64-bit only |
64-bit only |
64-bit only |
Summary of Key Innovations by Version
Version |
Key Innovations |
SQL Server 2016 |
Always Encrypted, Row-Level Security, Query Store, In-Memory OLTP, SSRS Modern UI |
SQL Server 2017 |
Linux support, Python/R integration, Adaptive Query Processing, Resumable Index Rebuilds |
SQL Server 2019 |
Big Data Clusters, PolyBase expansion, Intelligent Query Processing, Secure Enclaves, UTF-8 |
SQL Server 2022 |
Azure Synapse Link, Ledger Tables, Azure Arc integration, Parameter Sensitivity Feedback, S3 storage, deeper hybrid cloud connectivity |
✅ In short:
-
SQL Server 2016 – Foundation for modern secure and performant SQL.
-
SQL Server 2017 – Cross-platform (Linux) and ML integration.
-
SQL Server 2019 – Hybrid, AI, and Big Data powerhouse.
-
SQL Server 2022 – Cloud-connected, intelligent, and most secure version ever.