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SQL ALTER TABLE: A Complete Guide

Jan 7, 2020 · 10 min read · mysql oracle postgresql sql-server ·

Learn all about the SQL Alter Table statement.

SQL COUNT Function Explained with Examples

Jan 5, 2020 · 7 min read · mysql oracle postgresql sql-functions sql-server ·

The SQL COUNT function is one of the most common functions used by SQL developers. I use it on a daily basis. Learn more about the COUNT function in this article.

SQL DROP TABLE: The Complete Guide

Jan 5, 2020 · 6 min read · mysql oracle postgresql sql-server ·

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Learn how to drop tables in SQL.

SQL CASE Statement Explained with Examples

Jan 4, 2020 · 12 min read · mysql oracle postgresql sql-functions sql-server ·

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The SQL CASE statement allows you to perform IF-THEN-ELSE functionality within an SQL statement. Learn more about this powerful statement in this article.

SQL INSERT: The Complete Guide

Jan 4, 2020 · 26 min read · mysql oracle postgresql sql-server ·

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Learn how to use the SQL INSERT INTO command.

SQL DELETE Statement - The Complete Guide

Jan 3, 2020 · 7 min read · mysql oracle postgresql sql-server ·

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The SQL DELETE statement allows you to delete records from a table. I'll explain more about the SQL DELETE statement in this article.

SQL TRUNCATE TABLE Statement: The Complete Guide

Jan 3, 2020 · 5 min read · mysql oracle postgresql sql-server ·

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Learn all about the SQL TRUNCATE keyword.

SQL UPDATE Statement: A Complete Guide

Jan 2, 2020 · 9 min read · mysql oracle postgresql sql-server ·

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Have you ever needed to update data that was already in a table? Learn how to do this with the SQL UPDATE Statement.

SQL CREATE TABLE Syntax and Examples - The Complete Guide

Jan 1, 2020 · 17 min read · mysql oracle postgresql sql-server ·

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Creating database tables in SQL is one of the most common tasks a developer or DBA does in a database. Learn how to create tables, what the syntax is, and see some examples in this article.

A Guide to SQL NULL (and SQL NOT NULL)

Dec 23, 2019 · 12 min read · sql sql-functions ·

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In this article, you'll learn all about NULL, what it is, why it's different, how you can check for it in different databases, and many examples.