SQL Archives - AICORR.COM

What is SQL Injection: Critical Web Vulnerability

AICorr Team — Sat, 21 Sep 2024 16:42:01 +0000

AICorr dives into the world of SQL programming, answering the question of “What is SQL Injection?”. Table of Contents: SQLi Web applications and databases are critical components of most businesses. They handle vast amounts of data, including sensitive information such as usernames, passwords, personal details, and financial records. As the importance of databases grows, so […]

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A Comprehensive Guide to Integrating Python and SQL

AICorr Team — Thu, 18 Jan 2024 21:47:36 +0000

Python and SQL Python and SQL are powerful tools in their own right, and when combined, they form a dynamic duo that can handle a wide range of data-related tasks. Integrating Python with SQL allows developers and data professionals to leverage the strengths of both languages for tasks such as data analysis, manipulation, and storage. […]

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How to remove duplicates in SQL

AICorr Team — Fri, 22 Dec 2023 16:22:25 +0000

Remove duplicates (SQL) Very often we do not need duplicated values. It could be because we need to analyse specific data without duplicating items. Or maybe we need to store only unique data in a database, such as user names. In SQL, there are several ways of tackling such tasks. We will look at different […]

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SQL Copy

AICorr Team — Mon, 13 Nov 2023 16:10:33 +0000

SQL Copy This tutorial covers SQL Copy. Here we explore the concept of copying data from one table to another. There are two methods of copying data in SQL This page encompasses: Here we use two tables. First is the table “student_info” from the previous tutorials, and the second is a table named “grade“, linked […]

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SQL Procedure

AICorr Team — Sun, 12 Nov 2023 19:45:49 +0000

SQL Procedure This page covers SQL Stored Procedure. The concept of procedures is very similar to functions in many other programming languages. Stored procedures allow saving and calling of code as well as input and output of parameters. This tutorial encompasses: Let’s use the table “student_info” from the previous tutorials. id firstName lastName age 1 […]

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SQL Case

AICorr Team — Sun, 12 Nov 2023 17:12:57 +0000

SQL Case This page covers SQL Case. The concept of “case” is very similar to the “if/else” statements in many other programming languages. The expression evaluates specific conditions. It then outputs an outcome if one of the conditions is met. Let’s use the table “student_info” from the previous tutorials. id subjectName grade passed studentID 1 […]

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SQL Joins

AICorr Team — Sat, 11 Nov 2023 20:41:24 +0000

SQL Joins This tutorial covers SQL Joins. Joins perform retrieval of data from two or more tables based on certain connection (or relationship). In other words, a join statement merge two or more tables on the basis of a specific column. Most commonly, the specific column refers to a foreign key column in one table […]

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SQL Set

AICorr Team — Fri, 10 Nov 2023 12:47:59 +0000

SQL Set This tutorial covers SQL Set operators. Set operators allow concatenation of two queries. In other words, they combine the outcomes of two queries (such as two “select” statements). This page encompasses: Here we use two tables. First is the table “student_info” from the previous tutorials, and the second is a table named “grade“, […]

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SQL Having

AICorr Team — Thu, 09 Nov 2023 16:02:25 +0000

SQL Having This page covers SQL Having clause. The statement “having” adds a specified condition to a “select” statement. It allows filtering data with grouped or aggregated query. Let’s use the table “student_info” from the previous tutorials. id firstName lastName age 1 John Smith 21 2 Patrick Casey 26 3 Sam Adams 19 4 Mike […]

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SQL Group By

AICorr Team — Thu, 09 Nov 2023 15:34:45 +0000

SQL Group By This tutorial covers SQL Group By statement. As the name suggests ,the “group by” clause performs grouping operations. It is often used to summarise row records with the help of aggregate functions. Let’s use the table “student_info” from the previous tutorials. id firstName lastName age 1 John Smith 21 2 Patrick Casey […]

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