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The Drop Table query affects the structure of the table rather than the data. It is used to remove an existing table. When you are unsure whether a table to be dropped exists or not, use the DROP TABLE IF EXISTS command. Syntax: Following is the syntax of the DROP TABLE query in MySQL − […]
February 7, 2023 | python | No comments
You must use the DELETE FROM statement to delete records from a MySQL table. To remove specific records, use the WHERE clause in conjunction with it. Syntax: Following is the syntax of the DELETE query in MYSQL − Note: that the WHERE clause in the preceding syntax is used to specify the condition to pinpoint […]
February 7, 2023 | python | No comments
The UPDATE operation on any database updates one or more existing records in the database. The UPDATE statement in MySQL can be used to update the values of existing records. To update specific rows, use the WHERE clause in conjunction with it. Syntax: Below we have the basic syntax of the UPDATE statement: The syntax […]
February 7, 2023 | python | No comments
In MySQL, columns and rows make up the tables. The rows and columns of data records define the fields and records, respectively. To use the data from the tables, it must first be obtained. At times, we might need to retrieve all the information from the MySQL table. All the rows can be fetched from […]
February 6, 2023 | python | No comments
Before we insert data into our database, we need to create a table. To do so, refer to Python: MySQL Create Table. Using the INSERT INTO statement, you can add new rows to an existing MySQL table. In this section, you must specify the table’s name, column names, and values (in the same order as column […]
February 6, 2023 | python | No comments
What is a table in a database? A table in a database is a collection of data organized in the form of rows and columns. Each row represents a single record or tuple, and each column represents an attribute or field of that record. The columns, also known as fields or attributes, have specific data […]
January 29, 2023 | python | No comments
To create a new MySQL database in Python, you can use the mysql-connector-python library to connect to the MySQL server and issue a CREATE DATABASE statement. Create Database: The basic syntax of the create database statement: Example: Here is an example: In this example, host, user, and password should be replaced with the appropriate values for your […]
January 28, 2023 | python | No comments
This tutorial will teach you what MySQL is, what the prerequisites are for using MySQL in Python, and where you can download and install MySQL and the MySQL Python Connector. What is MySQL? MySQL is an open-source relational database management system (RDBMS) that is based on Structured Query Language (SQL). It is used to store […]
January 27, 2023 | python | No comments
In Python, the logging module provides several classes and functions to help you log messages in your code. We can create our own logger by instantiating the logging.Logger class and giving it a unique name. This is useful when your application has multiple modules, as you can use separate loggers for each module to keep […]
January 26, 2023 | python | No comments
In Python, the logging module allows you to log messages to a file or other output destination. You can include variables in the log messages by using string formatting. We can use a string to describe the event and append the variable data as arguments. Here’s an example: Example 1: In this example, we set […]
January 26, 2023 | python | No comments