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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, 6225🔥, 2💬

💬 2016-10-31 Shivin: haha very good

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, 662🔥, 1💬

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

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, 516🔥, 1💬

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, 4853🔥, 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...

"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, 688🔥, 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

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, 1004🔥, 1💬

💬 2015-09-27 Ravikumar: Good examples

Downloading and Installing MySQL
A tutorial example on how to download and install MySQL on a Windows system using MySQL Installer. 2015-07-30, 2178🔥, 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...

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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 Reference REST SOAP Sorting Swing TV Series UML Unicode VBScript Web Web-Services Windows WSDL XML XMLPad XSD XSL-FO