Statements

SQL Aggregate Functions: Easy Tips for Newbies

Database development, Statements

SQL Aggregate Functions are functions that perform calculations and return a summarized...
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The Tutorial Guide to SQL Server DROP TABLE Statement

Database development, Statements

The SQL DROP statement is a command that deletes existing database components or the entire databases with all their data permanently....
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Exploring SQL Server LEN() Function

Database development, SQL Server, Statements

SQL Server supports different data types to store relevant data in SQL tables. These data types can be integer, float, Varchar, NVARCHAR,...
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SQL Server COUNT Function

Database development, Statements

COUNT is one of the common SQL Server Aggregate operations done by almost all SQL Server Developers...
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SQL Cheat Sheet: What is SQL, SQL Commands, and SQL Injection

Database development, Statements

Using Structured Query Language (SQL) can seem complicated at first, but further, it will become easier and much more convenient. You only...
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SQL JOINs Tutorial with Examples

Database development, Statements

In this article, we are going to takes a close look at SQL Server JOINs. We will review all supported SQL Server JOIN types with syntax,...
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Drop Temp Table in SQL Server and PostgreSQL

Database development, Statements, Tables

This article explains different ways to drop the temp table in SQL Server and PostgreSQL. As the...
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How to Use SQL Server T-SQL Function SUM: 5 Use Cases

Database development, Statements

The T-SQL SUM function is one of the fundamental functions. Its purpose is to calculate the sum of all values in the specified column –...
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SQL SELECT DISTINCT: Performance Best Practices

Database development, Statements

Is SQL DISTINCT good (or bad) when you need to remove duplicates in results? Some say it’s good and add DISTINCT when...
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SQL OR Statement: The Basics

Database development, Statements

Now and then, you need to create a complex SQL query using multiple statements together. While...
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