Update select statement (#6780)

src/data/roadmaps/sql/content/select@rmqXH29n1oXtZ8tvmcRFn.md

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+# SELECT statement
+
+The SELECT statement in SQL is used to retrieve data from a database. It allows you to specify the columns you want to fetch from a particular table or a combination of tables. Here’s a basic syntax of a SELECT statement:
+
+'''sql
+SELECT * FROM employees;
+'''
+
+Learn more from the following resources:
+
+- [@article@SQL_Select](https://www.w3schools.com/sql/sql_select.asp)