Please recommend a SQL tutorial

The SQL Series tutorials are as follows

SQL Tutorial

SQL is the standard computer language for accessing and working with databases.

In this tutorial, you'll learn how to access and manipulate data in a data system using SQL,

Such databases include: MySQL, SQL Server, Access, Oracle, Sybase, DB2, and so on.

The SQL Series tutorials are as follows:

• [SQL Tutorial] SQL Tutorial
• [SQL Tutorial] Introduction to SQL
• [SQL Tutorial] SQL syntax
• [SQL Tutorial] SQL SELECT Statement
• [SQL Tutorial] SQL SELECT DISTINCT Statement
• [SQL Tutorial] SQL WHERE clause
• [SQL Tutorial] SQL and & OR operators
• [SQL Tutorial] SQL ORDER by keyword
• [SQL Tutorial] SQL INSERT into statement
• [SQL Tutorial] SQL UPDATE Statement
• [SQL Tutorial] SQL DELETE Statement
• [SQL Tutorial] SQL SELECT TOP, LIMIT, ROWNUM clause
• [SQL Tutorial] SQL Like operator
• [SQL Tutorial] SQL wildcard characters
• [SQL Tutorial] SQL in operator
• [SQL Tutorial] SQL between operator
• [SQL Tutorial] SQL aliases
• [SQL Tutorial] SQL Connection (join)
• [SQL Tutorial] SQL INNER JOIN keyword
• [SQL Tutorial] SQL left JOIN keyword
• [SQL Tutorial] SQL Right JOIN keyword
• [SQL Tutorial] SQL full OUTER JOIN keyword
• [SQL Tutorial] SQL UNION operator
• [SQL Tutorial] SQL SELECT into statement
• [SQL Tutorial] SQL INSERT into SELECT statement
• [SQL Tutorial] SQL CREATE DATABASE Statement
• [SQL Tutorial] SQL CREATE TABLE Statement
• [SQL Tutorial] SQL constraint Constraints
• [SQL Tutorial] SQL not NULL constraint
• [SQL Tutorial] SQL UNIQUE constraints
• [SQL Tutorial] SQL PRIMARY KEY Constraint
• [SQL Tutorial] SQL FOREIGN KEY Constraint
• [SQL Tutorial] SQL CHECK constraints
• [SQL Tutorial] SQL DEFAULT constraints
• [SQL Tutorial] SQL CREATE INDEX Statement
• [SQL Tutorial] SQL Revoke index, undo table, and revoke database
• [SQL Tutorial] SQL ALTER TABLE Statement
• [SQL Tutorial] SQL AUTO INCREMENT Field
• [SQL Tutorial] SQL View views
• [SQL Tutorial] SQL Date function
• [SQL Tutorial] SQL NULL Value
• [SQL Tutorial] SQL NULL function
• [SQL Tutorial] SQL Common data types
• [SQL Tutorial] SQL data types for various databases
• [SQL Tutorial] SQL functions
• [SQL Tutorial] SQL AVG () function
• [SQL Tutorial] SQL COUNT () function
• [SQL Tutorial] SQL First () function
• [SQL Tutorial] SQL Last () function
• [SQL Tutorial] SQL MAX () function
• [SQL Tutorial] SQL MIN () Function
• [SQL Tutorial] SQL SUM () function
• [SQL Tutorial] SQL GROUP by statement
• [SQL Tutorial] SQL HAVING clause
• [SQL Tutorial] SQL UCASE () function
• [SQL Tutorial] SQL LCASE () function
• [SQL Tutorial] SQL MID () function
• [SQL Tutorial] SQL LEN () function
• [SQL Tutorial] SQL ROUND () function
• [SQL Tutorial] SQL Now () function
• [SQL Tutorial] SQL FORMAT () function
• [SQL Tutorial] SQL Statements Quick Reference
• [SQL Tutorial] SQL Host
• [SQL Tutorial] SQL Summary

Please recommend a SQL tutorial