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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, 1333🔥, 1💬

"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This section provides a tutorial example on the 'Multiple files found for the same tablespace ID' error caused by an outdated database file left from an external MySQL server.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, 3398🔥, 0💬

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, 1720🔥, 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, 1211🔥, 0💬

What Is MySQL Shell
Quick introduction of MySQL Shell and ways to start it and access the local MySQL server.
2022-10-01, 1187🔥, 0💬

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, 1072🔥, 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, 871🔥, 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, 871🔥, 0💬

"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, 571🔥, 0💬

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, 566🔥, 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, 471🔥, 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, 430🔥, 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, 404🔥, 0💬

Un-Installing MySQL
A tutorial example on how to un-install MySQL on a Windows system using MySQL Installer.
2022-10-01, 362🔥, 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, 343🔥, 0💬

Predicate Operations
This section provides a list of predicate operations supported by MySQL with some examples.
2022-10-01, 339🔥, 0💬

"SHOW PROFILE" - Query Profiling
This section provides a tutorial example on how to use the Query Profiling tool provided in MySQL server to figure out which steps of a query statement taking more execution time than others.
2022-10-01, 328🔥, 0💬

PHP mysqli_connect() Error on "localhost" on macOS
This section provides a tutorial on the PHP mysqli_connect() 'No such file or directory' error, and the workaround of replacing 'localhost' with '127.0.0.1'.
2022-10-01, 313🔥, 0💬

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, 303🔥, 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, 294🔥, 0💬

Archived: Installing MySQL 5.5.15
This section provides a tutorial example on how to install MySQL 5.5.15 on a Windows system.
2022-10-01, 283🔥, 0💬

Issues during MySQL Installation
Issues occurred during the installation process of MySQL 8.0.16 on a Windows system using MySQL Installer.
2022-10-01, 282🔥, 0💬

mysqldump - Dumping Data to Files
This section provides some tutorial examples on how to use mysqldump tool to dump the structure and data of tables from a MySQL server to files.
2022-10-01, 263🔥, 0💬

About This Book
This section provides some detailed information about this book - __title__.
2022-10-01, 254🔥, 0💬

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