Category: My SQL
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MySQL master – slave replication setup
Hi guys, I hope you are doing great. Today here I am going to explain about MySQL master – slave replication setup. For the setup I have two servers clota-labl01 and clota-labl02. Here on clota-labl01 I am going to setup master and clota-labl02 as slave DB. Connect master server… ++++++++++++++++++++ clota-labl01 ++++++++++++++++++++ my.cnf configuration… =================…
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Pages and Extent in SQL Server
Hey guys, In this blog I am going to explain you about Pages and Extent in SQL Server and also different types of pages in SQL Server Pages – A page is a unit of data storage in SQL. The size of a page is 8Kb. The data rows are put on the page serially after…
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SQL Server Network Configuration
Hey guys, hope you are doing great. In this blog I am going to explain you about SQL Server Network Configuration and enabling/disabling different protocols. SQL Server Network Configuration – SQL Server Network Configuration involves enabling the protocols that manage the connection to the SQL Server and configuring the available options for these network protocols. It…
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Database Maintenance Plan
Hii guys, I hope you are doing great, today here I am going to explain you about the Database Maintenance Plan. Database Maintenance Plan- A database maintenance plan is a set of specific, proactive tasks that need to be performed regularly on databases to ensure their adequate performance and availability. Uses of Maintenance plan– The…
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Enabled DAC to connect remotely
Hello there, everyone! I hope everything is going well for you. Today, I’ll show you how to use the DAC and how to enable it for remote connections. DAC- The dedicated admin connection (DAC) can assist you in getting out of a bind. This was created to assist you in connecting to SQL Server and…
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Out of Memory Killer in Linux OS
In Linux systems, MySQL generally has a concept called Out of Memory killer OOM controlled by the kernel. This is to prevent the possible runaway process in OS to avoid race conditions and a server crash. Since MySQL and its optimized memory buffers are memory hogs, the OS may often kill the mysqld process to…
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DBA Worries Continued DBMS Concepts L1 DBA My SQL MySQL Architecture MySQL Basics MySQL L1 SQL Server
Deterministic and Nondeterministic Functions
Deterministic functions: Deterministic functions always result in the same output every time they are called with a fixed set of input values and given the same condition of the database. For example, AVG() function always results the same result given the qualifications stated above. Nondeterministic functions: Nondeterministic functions result in different output each time they…
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Page Life Expectancy (PLE) in SQL Server
Hey guys, In this blog I am going to explain you about Page Life Expectancy and How to monitor it. Page Life Expectancy (PLE)- Page Life Expectancy (PLE) is an age of a data page in seconds in the buffer cache or buffer memory after querying the tables with the loading data page into the buffer memory.…
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Detach and Attach in SQL Server
Hello there, everyone! I hope everything is going well for you. Today, I’ll show you about Detach and Attach Detach SQL Server Database- A SQL Server database is made up of at least two files: a data file (mdf) and a log file (ldf), though there may be additional data files in some circumstances. Since…
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SQL Interview Questions
You can benefit from this article’s popular SQL Server DBA interview questions and answers. To learn more about SQL interview questions, I would advise you to read this post as well as the SQL Server Interview questions and answers. I made an effort to be very specific in my responses to each question in this…
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Index in MySQL
Index Info… SELECT DISTINCT TABLE_NAME, INDEX_NAME,COLUMN_NAME, index_type FROM INFORMATION_SCHEMA.STATISTICS WHERE TABLE_SCHEMA =’thinklouder_optimization’; SHOW INDEXES FROM table_name IN database_name; —————————————————— OPTIMIZE TABLE tbl; will rebuild the indexes and do ANALYZE; it takes time. —————————————————— ANALYZE TABLE tbl; is fast for InnoDB to rebuild the stats. With 5.6.6 it is even less needed. —————————————————— Read the…
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Read a big file using PowerShell
# Command-Format: Get-Content ‘your-file-path’ -Tail <number-of-line>Get-Content ‘.\mylargefile.txt’ -Tail 5000 # Get-Content D:\MyBigFeedFile.txt | Select-Object -skip 123798766555672 -first 6
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