Category：database
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DevChat Helper: Practicing on top of database and data analytics applications
Article Catalog I. About Devchat 1.1 What problem DevChat is used to solve 1.2 DevChat’s greatest strengths 1.3 How Developers Use DevChat Installation and configuration of DevChat 2.1 Installing DevChat in vscode 2.2 Obtaining and Configuring an Access Key 2.3 Test the configuration for success III. Testing support for database operations 3.1 Database and Data […]
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Logistics transportation information management system design and implementation
catalogs 1 System overview 2 System-related technologies 3 Requirements analysis 3.1 Needs analysis concepts 3.1.1 User workflow analysis 3.1.2 Analysis of user work requirements 3.2 System Functional Requirements Analysis 3.3 System Functional Use Case Analysis 3.3.1 Participants 3.3.2 Participant use case analysis 3.4 System feasibility analysis 4 System Design 4.1 Overall system functional design 4.2 […]
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Simple to implement a library management system with a database
catalogs I. Summary 2、Basic Functions 2. Foreword 3. Subject 3.1 Needs analysis 3.1.1 Data needs analysis 3.1.2 Functional requirements analysis 3.2 Outline design 3.2.1 Data dictionary 3.2.2 ERD (Entity Relationship Diagram) 3.2.3 DFD data flow diagrams 3.3 Logic Design 3.3.1 Conversion rules for E-R models to relational models 3.3.2 Conversion of the E-R diagram to […]
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Resolved the Java. SQL. SQLNonTransientConnectionException: Could not create connection to the database server abnormal correctly solved
Resolved Java. SQL. SQLNonTransientConnectionException: Could not create connection to the database server abnormal correct solution, kiss measuring effective!!!!!! Article Catalog report an error problemSolutionscureexchanges report an error problem java.sql.SQLNonTransientConnectionException:Could not create connection to database server Solutions The error “java.sql.SQLNonTransientConnectionException:Could not create connection to database server” is usually caused by an inability to connect to the […]
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Flutter Application – Upgrading Database with sqflite
Article Catalog Description of the problem concrete approach code example More Conditional Upgrades Introduction to Database Migration and Backup Database migration Database Backup Description of the problem After the release of the application developed using fluttter, I realized that the database is not well designed. How to update the database? Using sqflite to handle the […]