cons of mysql

Types and pros and cons of MySQL indexesAn index is a special kind of file (an index on a InnoDB data table is an integral part of a table space), and they contain reference pointers to all records in the datasheet.Note: [1] The index is not

Now, we introduce the database index, its advantages and disadvantages. The characteristics and application of MySQL index are described in detail. This paper analyzes how to avoid MySQL unusable, how to use explain to analyze query statements, and

In this article, we use the MySQL 4.0.2-alpha to compare with PostgreSQL 7.2, because the MySQL 4.0.2-alpha begins to support the concept of the transaction, so this comparison is more advantageous for MySQL. We don't want to be just a performance

Now, we introduce the database index, its advantages and disadvantages. The characteristics and application of MySQL index are described in detail. This paper analyzes how to avoid MySQL unusable, how to use explain to analyze query statements, and

1. Full backup and incremental backup 1.1 full-scale backupFull-volume data is all the data in the database, and a full backup is the backup of all the data in the database.Back Up all libraries:mysqldump -uroot -p123456 -S /data/3306/mysql.sock -F -

Types and pros and cons of MySQL indexesAn index is a special kind of file (an index on a InnoDB data table is an integral part of a table space), and they contain reference pointers to all records in the datasheet.Note: [1] The index is not

Today, my colleague asked me about the MySQL index, I told him the index is very helpful for querying large data, but it has an impact on the data modification and addition, we used to add the index when processing the big data of the website this

An index is a special kind of file (an index on a InnoDB data table is an integral part of a table space), and they contain reference pointers to all records in the datasheet.Note:[1] The index is not omnipotent! Indexing can speed up data retrieval

The pros and cons of 8.4.5 indexes and how to determine whether an index is needed I believe readers know that indexing can greatly improve the efficiency of data retrieval, so that query executes faster, but probably not every friend knows that

The MySQL database engine depends on how MySQL was compiled when it was installed. To add a new engine, you must recompile MySQL. By default, MySQL supports three engines: ISAM, MyISAM, and heap. Two other types of InnoDB and Berkley (BDB) are also