C# – Connecting to SQL Server on Ubuntu20.04 -VS Code No.104

Posted on by kumoman

This blog provides instructions on how to connect to and run a select query in SQL Server on Ubuntu 20.04 using .NET Data Provider for SQL Server (SqlClient). ▼1. Connecting to SQL Server on Ubuntu by C# In the past, this blog demonstrated how to connect to SQL Server on Ubuntu and execute a query using Python and Java. However, in this case, C# will be used instead. (As of 2022/12) ▼2. Prerequisites 2-1. Installing Ubuntu 20.04.2 LTS https://releases.ubuntu.com/20.04/ 2-2. Installing Visual Studio Code https://code.visualstudio.com/docs/setup/linux 2-3. Installing C# extension To install the C# extension, press the Ctrl+P keys and type “ext install ms-dotnettools.csharp” in the search box, then press Enter. … Continue reading “C# – Connecting to SQL Server on Ubuntu20.04 -VS Code No.104”

Python -Run a transactional query in MySQL on Ubuntu No.103

Posted on by kumoman

How run a transactional query in MySQL on Ubuntu using Python is shown here. ▼1. Run a transactional query in MySQL on Ubuntu Regarding SQL Server on Ubuntu, how to execute a transactional query using Java and Python were shown in the past. regarding MySQL on Ubuntu, pyodbc is used for the connection to MySQL. autocommit setting in pyodbc is true by default to commit a transaction automatically. if autocommit is false, commit or rollback method is needed to control transaction. ▼2. Prerequisites How to create an environment to run python code for MySQL is shown in this blog. Python – Connect to MySQL on Ubuntu 20.04 by pyodbc No.98 … Continue reading “Python -Run a transactional query in MySQL on Ubuntu No.103”

Python – Put data in MySQL into Azure Blob Storage No.102

Posted on by kumoman

How to put the results of select query for MySQL into Azure Blob Storage using Python is shown in this blog. ▼1. Saving data in MySQL into Azure Blob Storage In the past, how to save data in MySQL into a local file using Python was shown in the following blog. in this case, the target of saving data is Azure Blob Storage. Python – Save data of MySQL into a local file  No.99 ▼2. Prerequisites How to create an environment to run python code for MySQL is shown in this blog. Python – Connect to MySQL on Ubuntu 20.04 by pyodbc No.98 ▼3. Python code to save data in … Continue reading “Python – Put data in MySQL into Azure Blob Storage No.102”

Python – Error handling & Retry in MySQL on Ubuntu  No.101

Posted on by kumoman

How to implement the error handling and retry with some interval in MySQL on Ubuntu by Python is shown in this blog. ▼1. Why do we need an error handling and an retry logic? We often use a cloud service and a remote service through the network. if the network intermittently cause something problems, the client application cannot access these services and will stop. to avoid this case, we need to add an error handling and an retry logic in an client application. ▼2. Prerequisites An error handling and a retry logic will be added into the code that was shown in the following blog. Python – Connect to MySQL … Continue reading “Python – Error handling & Retry in MySQL on Ubuntu  No.101”

Python – Save data of MySQL into a local file  No.99

Posted on by kumoman

How to save the results of select query in MySQL on Ubuntu through pyodbc into a local file using python is shown in this blog. ▼1. Save data of MySQL on Ubuntu into a file In the past, how to save data My MySQL into a file using Java was provided in this blog as below. in this case, it will be implemented by Python. Java -Save the results of select for MySQL into a file No.85 ▼2. Prerequisites How to create an environment to run python code for MySQL is shown in this blog. Python – Connect to MySQL on Ubuntu 20.04 by pyodbc No.98 ▼3. Python code to save … Continue reading “Python – Save data of MySQL into a local file  No.99”

Python – Connect to MySQL on Ubuntu 20.04 by pyodbc No.98

Posted on by kumoman

How to connect to MySQL by pyodbc and run select statement using Python is shown in this blog. ▼1. Connecting to MySQL by pyodbc Python In the past blogs, how to connect to MySQL using Java is provided as below. in this blog, the connection to MySQL by pyodbc using Python is written. (2022/12 時点)Java –Save records for MySQL into Azure Blob Storage No.86 Java -Save the results of select for MySQL into a file No.85Java – Connect to MySQL on Ubuntu and run select query No.80 ▼2. Prerequires 2-1. Installing MySQL on Linux Ref: Java – Connect to MySQL on Ubuntu and run select query No.80　”2-6. installing mysql java connector” 2-2. Installing MySQL の … Continue reading “Python – Connect to MySQL on Ubuntu 20.04 by pyodbc No.98”

Python – Create Sample data in SQL Server on Ubuntu v2 No.97

Posted on by kumoman

How to create sample data in SQL Server on Ubuntu using Python is shown in this blog. ▼1. Creating sample data using Python In the past, how to create sample data using the insert query that is created by python code was provided below in this case, this insert query was executed using sqlcmd utility. but this blog all of steps is executed by python without sqlcmd. Python – Creating sample data in SQL Server on Ubuntu No.62 ▼2. Prerequisites How to build an environment using Python is shown below. Python – How to connect to SQL Server on Ubuntu No.92 ▼3. Bulk create sample data in SQL Sever 3-1. … Continue reading “Python – Create Sample data in SQL Server on Ubuntu v2 No.97”

Python -Save data in SQL Server into Azure Blob Storage No96

Posted on by kumoman

How to save the results of select statement into Azure Blob Storage after connecting to SQL Server on Ubuntu through pyodbc using python is shown in this blog. ▼1. Saving data in SQL Server on Ubuntu into Azure Blob Storage Based on the previous blog using Java as below, pyhon code is shown to save the results of select statement into Azure Blob Storage. Java – Save the results of select query on SQL Server into Azure Blob Storage No.75 ▼2. Prerequisites How to build an environment using Python is shown below. Python – How to connect to SQL Server on Ubuntu No.92 ▼3. Developing Python code to save the … Continue reading “Python -Save data in SQL Server into Azure Blob Storage No96”

Python – Save data in SQL Server on Ubuntu into a file No.95

Posted on by kumoman

How to save the results of select statement into a file after connecting to SQL Server on Ubuntu through pyodbc using python is shown in this blog. ▼1. Saving data in SQL Server on Ubuntu into a file Based on the previous blog using Java as below, pyhon code is shown to save the results of select statement into a file. Java – Put SQL Server select results into a csv file No.70 ▼2. Prerequisites How to build an environment using Python is shown below. Python – How to connect to SQL Server on Ubuntu No.92 ▼3. Developing Python code to save the results of select query in SQL Server … Continue reading “Python – Save data in SQL Server on Ubuntu into a file No.95”

Python -Run a transactional query SQL Server on Ubuntu No.94

Posted on by kumoman

How to execute commit or rollback for a transactional query using python and pyodbc in SQL Server on Ubuntu is shown in this blog. ▼1. Run a transactional query in SQL Server on Ubuntu Regarding Java, how to execute a transactional query was shown in this past blog as below. this blog is written to implement it by Python. the autocommit of pyodbc is true. it is meant to commit a transaction automatically by default. ▼2. Creating Python code to insert data with False of “autocommit” Table “sampletb” has columns “c1” and “c2”. the value (10,10) is inserted using transaction and then select is executed to get data. after that, this … Continue reading “Python -Run a transactional query SQL Server on Ubuntu No.94”