Tag Archives: General

Day 14 MySQL sys Schema

MySQL 5.7.7 and higher includes the sys schema, This has View, Stored Procedures and Functions to gather the performance related information, as it works on Performance Schema the Performance Schema must be enabled for the sys database. Following some of the important tables: sys_config: … Continue reading

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Day 13 MySQL Performance_Schema

performace_schema is a dynamic database created when you restart the mysql, all the data from performance_schema database will be clear. This database has its own storage engine –“performance_schema” Even you may have this database but it could be possible that … Continue reading

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Day 12 INFORMATION_SCHEMA database

Yesterday we discuss about mysql system database, today we will see “INFORMATION_SCHEMA” database, this we cannot call as database because it is not stored any data directly, it provides information about metadata and other information which mysql has – data … Continue reading

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Day 11 MySQL System Database

Previous days we discuss Variables and configurations which are quite important for DBA to know. As stated earlier there are some system database MySQL has which will also contains very important information. Now on we will spend some time on … Continue reading

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Day 10 Option file

So far we have discussed various mays to configure MySQL, Environmental Variables, Global Variable, Session Variables, Status Variable and Server Variables. All this variables are important and set the variable some of them dynamically affects the system and some required … Continue reading

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Day 9 Variables

In earlier days we have discussed about providing options with environmental variable and command line, today we will be discussing on other variables, there are Global Variables and Session/Local Variables which reflects the state of the MySQL and we can … Continue reading

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Day 8 Configuration- Command-line

Yesterday we discuss about different ways of options and configuring with environment variable which will place MySQL locate for values for parameters used during related program execution if it is not specified elsewhere, Today we will discuss about  Command-line options. … Continue reading

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Day 7 Configuration – Environmental Variable

On day 6 we discussed about Programs. today  is very important day, we will discussing about Configuration options or parameters. All the program requires options/parameters accordingly it works differently. as MySQL is an open source and everyone want to use its … Continue reading

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Day 6: MySQL Programs

On day 5 we understand how to install MySQL or upgrade to latest version. Today we will discuss once installation is done we will be having multiple executable programs by which MySQL Runs, every RDBMS has its executable. MySQL programs are … Continue reading

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Day 4: MySQL Architecture Continue…

MySQL is an open source and configuration of MySQL is very simple and can be customized per the requirement. MySQL works on following options: Option/configuration file (my.cnf) System variables (Local /Global) Status variables My.cnf option file will have various Groups and … Continue reading

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