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SQL fundamentals

Lesson 4 / 9

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I can create SQL queries to insert and update data stored in a database.

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SQL stands for Structured Query Language. It is a language used to communicate with a database. You can use SQL to manipulate databases and retrieve records. An SQL INSERT statement allows you to add data into pre-existing tables. An SQL UPDATE statement allows you to modify records. Existing records can be deleted from a table by using an SQL DELETE statement.

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