Article Summary
Using the SQL INSERT INTO statement lets you add records to a relational database table. This article covers syntax, single and multi-row inserts, INSERT INTO SELECT, and retrieving primary keys. You'll write cleaner, more versatile queries across MySQL, PostgreSQL, and SQL Server.
Database administrators use the SQL language to communicate with relational databases. Some common relational databases include Microsoft SQL Server, Oracle, PostgreSQL, and MySQL. While many of the details of using SQL on a relational database may vary between vendors, the basics of SQL syntax are essentially the same. Using SQL, you can create databases, store data in them, update existing data, and query the data. You can use the output to generate reports or to populate a website.
Database administrators use data manipulation language (DML), part of the SQL language, when they must change data or tables in a relational database. The three basic functions of DML are adding new data, updating existing data, and deleting data. You can use DML statements with other SQL statements when you write queries. In this article, we will look at one of the three common DML statements, INSERT INTO.
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Frequently Asked Questions
The SQL INSERT INTO statement is powerful. It is how you add data to your tables in a relational database, but there is a lot more you can do with it if you know sub-queries. This guide provides structured insights, proven methodologies, and actionable execution steps for modern professionals.
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