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All Articles ExtensionMDF-600x208

Can a Database Have Multiple Files with Extension MDF? – Interview Question of the Week #279

May 31, 2020
Pinal Dave
SQL Interview Questions and Answers
SQL Scripts, SQL Server, SQL Server Files

Question: Can a Database Have Multiple Files with Extension MDF?

Answer: Yes. It is possible to have multiple files with extension MDF.

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All Articles MongoDBAtlasPricing-600x673

MongoDB Atlas Pricing

May 30, 2020
Pinal Dave
SQL Tips and Tricks
MongoDB, MongoDB Atlas

Many have signed up for my course on Foundations of Document Databases with MongoDB. Today we are going to talk about MongoDB Atlas Pricing.

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All Articles asktheexperts1-600x185

Ask the Experts: Database Performance Roundtable by Quest

May 29, 2020
Pinal Dave
SQL
Quest

Today I am going to talk about my motivation behind  Ask the Experts: Database Performance Roundtable. Questions are Conversation Extenders.

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All Articles total-data-pages-600x387

SQL SERVER – Total Data Pages In Memory Buffer Pool – sys.dm_os_buffer_descriptors

May 28, 2020
Pinal Dave
SQL Tips and Tricks
Buffer Pool, SQL DMV, SQL Index, SQL Memory, SQL Server

Today we will be discussing how to list Total Data Pages In Memory Buffer Pool with the help of sys.dm_os_buffer_descriptors.

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All Articles buffer-pool-600x334

SQL SERVER – Data Pages In Memory Buffer Pool – sys.dm_os_buffer_descriptors

May 27, 2020
Pinal Dave
SQL Performance
Buffer Pool, SQL DMV, SQL Index, SQL Memory, SQL Server

We reached the point to investigate the data in memory for a single database. Here is the script to list all the database pages in SQL Server Buffer Pool.

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All Articles schemachanges0-600x145

SQL SERVER – Fix Error: Currently This Report Does Not Have Any Data to Show, Because Default Trace Does Not Contain Relevant Information

May 26, 2020
Pinal Dave
SQL Tips and Tricks
Schema, SQL Reports, SQL Scripts, SQL Server, SQL Server Configuration, SSMS

If there is a way to fix the error which they get when they try to open Schema Changes History. The error was related to Not Have Any Data to Show.

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All Articles validatenatural1-600x135

SQL SERVER – UDF – Validate Natural Integer Function – Simple Version

May 25, 2020
Pinal Dave
SQL Tips and Tricks
SQL Function, SQL Scripts, SQL Server, SQL String

I have already blogged about validating positive integer numbers in this post (SQL SERVER – UDF – Validate Natural Integer Function).

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All Articles AddNewColumns-600x317

How to Alter Index to Add New Columns in SQL Server? – Interview Question of the Week #278

May 24, 2020
Pinal Dave
SQL Interview Questions and Answers
SQL Index, SQL Performance, SQL Scripts, SQL Server

Question: How to Alter Index to Add New Columns in SQL Server? 

Answer: It is not possible to Alter Index definition to add or remove columns.

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All Articles MappingRelationalSQL-600x309

MongoDB Fundamentals – Mapping Relational SQL – Day 6 of 6

May 23, 2020
Pinal Dave
SQL
MongoDB, MongoDB Compass, NoSQL, Pluralsight

Today is the fourth post in the six post series. We are going to learn about Mapping Relational SQL in MongoDB. Stay Tuned for more learning.

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All Articles DeleteOperation-600x293

MongoDB Fundamentals – CRUD: Deleting Objects – Day 5 of 6

May 22, 2020
Pinal Dave
SQL
MongoDB, MongoDB Compass, NoSQL, Pluralsight

Today is the fourth post in the six post series. We are going to learn about CRUD operation: Deleting Objects in MongoDB. Stay Tuned.

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