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MySQL Tutorials - Herong's Tutorial Examples
This MySQL tutorial book is a collection of notes and sample codes written by the author while he was learning MySQL himself, an ideal tutorial guide for beginners. Topics include introduction of Structured Query Language (SQL); installation of MySQL server on Windows, Linux, and macOS; using MySQL ... 2022-11-22, ∼9058🔥, 1💬

Lock Types and Lock Levels
This section describes 2 types of locks: Read Lock (Shared Lock) and Write Lock (Exclusive Lock), and 3 levels of locks: Table Lock, Row Lock, and Column Lock. 2019-01-02, ∼6717🔥, 2💬

💬 2016-10-31 Shivin: haha very good

Using MySQL Non-Install Package
Tutorial example on how to download and install MySQL server using the Non-Install package on a Windows system. Data directory is required to run MySQL server. 2016-04-08, ∼5322🔥, 5💬

💬 2016-04-08 Herong: Adara, noinstall package and normal package both offer the same MySQL server. The difference is that the normal package requires...

💬 2016-04-07 Adara: Based on the last comments it failed to install? What's the difference between the MySql noinstall and normal mySql?

💬 2016-02-26 Herong: Katy, you are right that the no-install version is better for learning MySQL administration. Thanks for sharing your comments.

💬 2016-02-25 Katy Kringe: It also created the key : HKEY_LOCAL_MACHINE\SYSTEM\CurrentCon trolSet\services\eventlog\Applicatio n\MySQL

💬 2016-02-25 Katy Kringe: I would like to use the no-install so as to better understand the program. Running the command shell with admin privileges and t...

"Multiple files found for the same tablespace ID" Error
This section provides a tutorial example on the 'Multiple files found for the same tablespace ID' error caused by an outdated database file left from an external MySQL server. 2022-10-01, ∼4211🔥, 0💬

Downloading and Installing MySQL
A tutorial example on how to download and install MySQL on a Windows system using MySQL Installer. 2015-07-30, ∼2521🔥, 2💬

💬 2015-07-29 Herong: Stanley, what version of MySQL Control Center are you using?

💬 2015-07-28 stanley: hi, I need help, I downloaded the MySQL server, but it gives me an error on MySQL control center, "client does not support authe...

MySQL Server Log Files on CentOS
This section provides a tutorial example on how to review log file settings and locations for MySQL 8.0 server on CentOS 8 systems. 2022-10-01, ∼2014🔥, 0💬

MySQL Data Directory Initialization
Tutorial example on how to initialize the MySQL server data directory with the 'mysqld --initialize-insecure' command, which will create a root user without password. 2022-10-01, ∼1720🔥, 0💬

What Is MySQL Shell
Quick introduction of MySQL Shell and ways to start it and access the local MySQL server. 2022-10-01, ∼1592🔥, 0💬

Full Version in PDF/EPUB
This section provides information on how to obtain the full version of this book in PDF, EPUB, or other format. 2019-07-28, ∼1507🔥, 3💬

💬 2018-03-22 Faisal: hi

💬 2016-12-14 PRAKASH: nice

💬 2016-01-10 atalay: student

Loading JDBC Driver Class - com.mysql.cj.jdbc.Driver
Describes how to load the MySQL JDBC driver class, com.mysql.cj.jdbc.Driver, from mysql-connector-java-8.0.17.ja r. 2022-10-01, ∼1378🔥, 0💬

--secure-file-priv="" - MySQL Server Option
This section provides a tutorial example on how to change the '--secure-file-priv' MySQL Server option, to control directory permissions for dumping all tables in a database as tab delimited files. 2022-10-01, ∼1245🔥, 0💬

Impact of InnoDB Log Buffer on INSERT
This section provides a tutorial example to demonstrate the performance impact of InnoDB Log Buffer. Setting innodb_flush_log_at_trx_commit =0can reduce execution time reduction on INSERT and other data change statements from 35 ms to 1 ms. 2022-10-01, ∼1233🔥, 0💬

GROUP BY Clause of a SELECT Statement
This section provides tutorial examples on how to use the GROUP BY clause to aggregate orginal rows of the base table into group rows in a SELECT statement. 2015-09-27, ∼1193🔥, 1💬

💬 2015-09-27 Ravikumar: Good examples

MySQL Connector/J - Download and Installation
Describes how to download and install MySQL Connector/J (JDBC driver) required to run Java programs to access MySQL servers. 2022-10-01, ∼1020🔥, 0💬

Archived: Installing MySQL 5.7.10 with Installer
This section provides a tutorial example on how to download and install MySQL 5.7.10 on a Windows system using MySQL Installer. 2022-10-01, ∼918🔥, 0💬

Introduction of SQL
This chapter provides notes and tutorial examples on SQL. Topics include introduction of SQL (Structured Query Language); history and revision of SQL; terminologies related to SQL and database. 2016-08-28, ∼893🔥, 1💬

💬 2016-08-28 Jack: I want to learn mysql .

"Repeatable Read" Isolation Level
This section provides a tutorial example on the 'Repeatable Read' isolation level, where reads are guarantied to be repeatable. 2015-12-28, ∼793🔥, 4💬

💬 2015-12-28 Herong: SqLoveNian, thanks for the additional information. I guess the "phantom read" is just concept defined in the SQL 92 specificatio...

💬 2015-12-24 SqLoveNian: Actually I gave a bad answer. MySql and same goes of course for MariaDB, do not enable generating a phantom read, by running two...

💬 2015-12-23 Herong: SqLoveNian, I will test it with your suggestion. Thanks.

💬 2015-12-21 SqLoveNian: You would get a phantom read if the second query would be SELECT * FROM User

"SELECT COUNT(*)" on InnoDB Table
This section provides a tutorial example showing why 'SELECT COUNT(*)' is slow on InnoDB tables. It does a full table scan by reading all data pages to count the number of rows. 2022-10-01, ∼745🔥, 0💬

MySQL Authentication Method "caching_sha2_password"
A tutorial example is provided on how to create a new user account with 'mysql_native_password' authentication method to avoid the 'caching_sha2_password' error with mysqli_connect() method. 2022-10-01, ∼742🔥, 0💬

ITERATE and LEAVE - Statements to Break Loops
This section describes ITERATE and LEAVE Statements used in stored procedures to break execution loops. 2016-07-20, ∼702🔥, 1💬

Archived: Installing MySQL 4.0.18
This section provides a tutorial example on how to install MySQL 4.0.18 on a Windows system. 2022-10-01, ∼678🔥, 0💬

Using DDL to Create Tables and Indexes
This chapter provides tutorial notes on DDL (Data Definition Language) statements. Topics include CREATE TABLE, CREATE INDEX, and ALTER TABLE statements; selecting column options when creating tables. 2022-10-01, ∼662🔥, 0💬

MySQL Command Line Client Tool
A tutorial example on how to use the MySQL Command Line Client Tool to connect to MySQL Server. The example also includes SQL commands to create a new test database/table and insert some data to the table. 2022-10-01, ∼625🔥, 0💬

Transaction Management and Isolation Levels
This chapter provides tutorial notes on transactions. Topics include introduction of transactions, transaction management in MySQL, transaction isolation levels: Read Uncommitted, Read Committed, Repeatable Read, Serializable. 2022-10-01, ∼623🔥, 0💬

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Android ASP Astrology Big5 Bitcoin Blowfish Built-in C# Calendar CD-DVD Cheminformatics Chinese Cryptography DES Email Encoding Ethereum Flash GB2312 General H Herong History HTML Java JavaScript JDBC JSP JVM Linux Molecule Movie Music MySQL Neural Network Perl PHP Physics PKI Publication Python REST SOAP Sorting Swing TV Series UML Unicode VBScript Web Web-Services Windows WSDL XML XMLPad XSD XSL-FO