{"id":473,"date":"2009-12-27T12:38:07","date_gmt":"2009-12-27T12:38:07","guid":{"rendered":"http:\/\/www.mysqltutorial.org\/?page_id=473"},"modified":"2023-12-26T20:59:47","modified_gmt":"2023-12-27T03:59:47","slug":"mysql-tips","status":"publish","type":"page","link":"https:\/\/www.mysqltutorial.org\/mysql-tips\/","title":{"rendered":"MySQL Tips"},"content":{"rendered":"\n<p>In this section, we provide you with advanced MySQL techniques and tips to help you solve the most difficult challenges in MySQL effectively.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.mysqltutorial.org\/mysql-basics\/mysql-adjacency-list-tree\/\">Managing Hierarchical Data in MySQL Using the Adjacency List Model<\/a><\/h3>\n\n\n\n<p>In this tutorial, you will learn how to use the adjacency list model for managing hierarchical data in MySQL.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.mysqltutorial.org\/mysql-basics\/mysql-row-count\/\">MySQL Row Count: How to Get Row Count in MySQL<\/a><\/h3>\n\n\n\n<p>This tutorial shows you various ways to get MySQL row count in the MySQL database.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.mysqltutorial.org\/mysql-basics\/mysql-compare-two-tables\/\">MySQL Compare Two Tables<\/a><\/h3>\n\n\n\n<p>This tutorial shows you how to compare two tables to find the unmatched records in MySQL.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.mysqltutorial.org\/mysql-basics\/mysql-find-duplicate-values\/\">How To Find Duplicate Values in MySQL<\/a><\/h3>\n\n\n\n<p>This tutorial shows you step by step how to find duplicate values in one or more columns in MySQL by using pure SQL statements.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.mysqltutorial.org\/mysql-basics\/mysql-delete-duplicate-rows\/\">How To Delete Duplicate Rows in MySQL<\/a><\/h3>\n\n\n\n<p>In this tutorial, you will learn how to delete duplicate rows in MySQL by using the DELETE JOIN statement or an immediate table.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.mysqltutorial.org\/mysql-basics\/mysql-uuid\/\">MySQL UUID Smackdown: UUID vs. INT for Primary Key<\/a><\/h3>\n\n\n\n<p>This tutorial introduces you to MySQL UUID , shows you how to use it as the primary key (PK) for a table, and discusses the pros and cons of using it as the PK.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.mysqltutorial.org\/mysql-basics\/mysql-copy-table\/\">MySQL Copy Table With Examples<\/a><\/h3>\n\n\n\n<p>This tutorial shows you how to copy tables within the same database or from one database to another using CREATE TABLE LIKE and SELECT statements in MySQL.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.mysqltutorial.org\/mysql-basics\/mysql-variables\/\">MySQL Variables<\/a><\/h3>\n\n\n\n<p>In this tutorial, you will learn how to use MySQL user-defined variables in SQL statements.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.mysqltutorial.org\/mysql-basics\/mysql-select-into-variable\/\">MySQL SELECT INTO Variable<\/a><\/h3>\n\n\n\n<p>This tutorial shows you how to use the MySQL SELECT INTO variable\u00a0to store query results in one or more variables.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.mysqltutorial.org\/mysql-basics\/mysql-compare-rows-within-the-same-table\/\">How To Compare Successive Rows Within The Same Table in MySQL<\/a><\/h3>\n\n\n\n<p>In this tip, we will show you how to compare or to calculate the difference between successive rows by using INNER JOIN in MySQL<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.mysqltutorial.org\/mysql-administration\/mysql-change-storage-engine\/\">How To Change MySQL Storage Engine<\/a><\/h3>\n\n\n\n<p>In this tutorial, you will learn how to which storage engine a table is using and how to change the storage engine of the table to a different one.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.mysqltutorial.org\/mysql-row_number\/\">MySQL ROW_NUMBER, This is How You Emulate It<\/a><\/h3>\n\n\n\n<p>In this tutorial, we will show you a useful tip that emulates the row_number function in MySQL.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.mysqltutorial.org\/mysql-basics\/mysql-select-random\/\">MySQL Select Random Records<\/a><\/h3>\n\n\n\n<p>Shows you various techniques to select random records from a database table.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.mysqltutorial.org\/mysql-basics\/select-the-nth-highest-record-in-a-database-table\/\">How To Select The nth Highest Record In MySQL<\/a><\/h3>\n\n\n\n<p>In this tutorial, you will learn how to the nth highest record in a database table using various techniques.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.mysqltutorial.org\/mysql-basics\/mysql-reset-auto-increment-value\/\">MySQL Reset Auto Increment Values<\/a><\/h3>\n\n\n\n<p>This tutorial shows you various ways to reset auto-increment values of AUTO_INCREMENT columns in MySQL.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.mysqltutorial.org\/mysql-tips\/mariadb-vs-mysql\/\">MariaDB vs. MySQL<\/a><\/h3>\n\n\n\n<p>The following table illustrates the main differences between MariaDB and MySQL: MySQL MariaDB Developer Oracle Corporation MariaDB Corporation AB (MariaDB Enterprise), MariaDB Foundation (community MariaDB Server) Protocols MySQL MySQL +&#8230;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.mysqltutorial.org\/mysql-basics\/mysql-interval\/\">MySQL Interval<\/a><\/h3>\n\n\n\n<p>This tutorial shows you step by step how to use the MySQL interval for date and time arithmetic with many practical examples.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.mysqltutorial.org\/mysql-basics\/mysql-null\/\">MySQL NULL: The Beginner&#8217;s Guide<\/a><\/h3>\n\n\n\n<p>In this tutorial, you will learn how to 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In addition, you&#8217;ll learn some useful functions to deal with the NULL values effectively.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.mysqltutorial.org\/mysql-date-functions\/mysql-today\/\">How to Get MySQL Today&#8217;s Date<\/a><\/h3>\n\n\n\n<p>This tutorial shows you how to get MySQL today&#8217;s date by using the CURDATE() or NOW() functions. Also, you learn how to create the today() stored function.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.mysqltutorial.org\/mysql-basics\/avoid-displaying-null-values-by-mapping-to-other-values\/\">How To Map NULL Values To Other Meaningful Values<\/a><\/h3>\n\n\n\n<p>You will learn how to map NULL values onto other values for a better data representation.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.mysqltutorial.org\/mysql-basics\/mysql-comment\/\">MySQL Comment In Depth<\/a><\/h3>\n\n\n\n<p>This tutorial shows you how to use MySQL comment to document an SQL statement or a block of code.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>We provide you with the advanced MySQL techniques and tips to help you solve the most difficult challenges in MySQL 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