考えられるのは2つです。
- Toolboxがない
- バージョンが古い
バージョンはR2019b以降でしょうか？
DatabaseToolboxは入っていますか？
以下のコマンドで確認してみてください
ver
-----------------------------------------------------------------------------------------------------
MATLAB Version: 9.14.0.2218432 (R2023a)
MATLAB License Number: 0
Operating System: Linux 5.4.233-0504233-generic #202302250651 SMP Sat Feb 25 12:26:27 UTC 2023 x86_64
Java Version: Java 1.8.0_292-b10 with AdoptOpenJDK OpenJDK 64-Bit Server VM mixed mode
-----------------------------------------------------------------------------------------------------
MATLAB Version 9.14 (R2023a)
Simulink Version 10.7 (R2023a)
5G Toolbox Version 2.6 (R2023a)
Aerospace Blockset Version 6.0 (R2023a)
Aerospace Toolbox Version 4.4 (R2023a)
Antenna Toolbox Version 5.4 (R2023a)
Audio Toolbox Version 3.4 (R2023a)
Automated Driving Toolbox Version 3.7 (R2023a)
Bioinformatics Toolbox Version 4.17 (R2023a)
Bluetooth Toolbox Version 1.2 (R2023a)
Communications Toolbox Version 8.0 (R2023a)
Computer Vision Toolbox Version 10.4 (R2023a)
Control System Toolbox Version 10.13 (R2023a)
Curve Fitting Toolbox Version 3.9 (R2023a)
DO Qualification Kit Version 3.15 (R2023a)
DSP System Toolbox Version 9.16 (R2023a)
Database Toolbox Version 11.0 (R2023a)
Datafeed Toolbox Version 6.4 (R2023a)
Deep Learning Toolbox Version 14.6 (R2023a)
Econometrics Toolbox Version 6.2 (R2023a)
Embedded Coder Version 7.10 (R2023a)
Filter Design HDL Coder Version 3.1.13 (R2023a)
Financial Instruments Toolbox Version 3.6 (R2023a)
Financial Toolbox Version 6.5 (R2023a)
Fixed-Point Designer Version 7.6 (R2023a)
Fuzzy Logic Toolbox Version 3.1 (R2023a)
Global Optimization Toolbox Version 4.8.1 (R2023a)
HDL Coder Version 4.1 (R2023a)
HDL Verifier Version 7.1 (R2023a)
IEC Certification Kit Version 4.0 (R2023a)
Image Acquisition Toolbox Version 6.7.1 (R2023a)
Image Processing Toolbox Version 11.7 (R2023a)
Industrial Communication Toolbox Version 6.2 (R2023a)
Instrument Control Toolbox Version 4.8 (R2023a)
LTE Toolbox Version 3.9 (R2023a)
MATLAB Compiler Version 8.6 (R2023a)
MATLAB Compiler SDK Version 7.2 (R2023a)
MATLAB Report Generator Version 5.14 (R2023a)
Mapping Toolbox Version 5.5 (R2023a)
Mixed-Signal Blockset Version 2.4 (R2023a)
Model Predictive Control Toolbox Version 8.1 (R2023a)
Navigation Toolbox Version 2.4 (R2023a)
Optimization Toolbox Version 9.5 (R2023a)
Parallel Computing Toolbox Version 7.8 (R2023a)
Partial Differential Equation Toolbox Version 3.10 (R2023a)
Phased Array System Toolbox Version 5.0 (R2023a)
Powertrain Blockset Version 2.0 (R2023a)
Predictive Maintenance Toolbox Version 2.7 (R2023a)
RF Blockset Version 8.5 (R2023a)
RF Toolbox Version 4.5 (R2023a)
Requirements Toolbox Version 2.2 (R2023a)
Risk Management Toolbox Version 2.2 (R2023a)
Robotics System Toolbox Version 4.2 (R2023a)
Robust Control Toolbox Version 6.11.3 (R2023a)
Sensor Fusion and Tracking Toolbox Version 2.5 (R2023a)
SerDes Toolbox Version 3.0 (R2023a)
Signal Processing Toolbox Version 9.2 (R2023a)
SimBiology Version 6.4.1 (R2023a)
SimEvents Version 5.14 (R2023a)
Simscape Version 5.5 (R2023a)
Simscape Driveline Version 3.7 (R2023a)
Simscape Electrical Version 7.9 (R2023a)
Simscape Fluids Version 3.6 (R2023a)
Simscape Multibody Version 7.7 (R2023a)
Simulink 3D Animation Version 9.6 (R2023a)
Simulink Check Version 6.2 (R2023a)
Simulink Code Inspector Version 4.3 (R2023a)
Simulink Coder Version 9.9 (R2023a)
Simulink Control Design Version 7.0 (R2023a)
Simulink Coverage Version 5.6 (R2023a)
Simulink Design Optimization Version 3.13 (R2023a)
Simulink Design Verifier Version 4.9 (R2023a)
Simulink PLC Coder Version 3.8 (R2023a)
Simulink Real-Time Version 8.2 (R2023a)
Simulink Report Generator Version 5.14 (R2023a)
Simulink Test Version 3.8 (R2023a)
Stateflow Version 10.8 (R2023a)
Statistics and Machine Learning Toolbox Version 12.5 (R2023a)
Symbolic Math Toolbox Version 9.3 (R2023a)
System Identification Toolbox Version 10.1 (R2023a)
Text Analytics Toolbox Version 1.10 (R2023a)
Vehicle Dynamics Blockset Version 2.0 (R2023a)
Vehicle Network Toolbox Version 5.4 (R2023a)
Vision HDL Toolbox Version 2.7 (R2023a)
WLAN Toolbox Version 3.6 (R2023a)
Wavelet Toolbox Version 6.3 (R2023a)
Wireless HDL Toolbox Version 2.6 (R2023a)
