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Table for IOPS Tests on INSERT Statements
How to design a database table to perform IOPS tests on INSERT Statements? In order to for perform IOPS tests on INSERT Statements, we should start with a simplest table first using minimum database functionalities. Here is an example of database table, FYI_INT, with only 1 column: CREATE TABLE FYI_...
2019-08-08, 195👍, 0💬

IOPS Tests on Azure SQL Database with INSERT
Where to find tutorials on IOPS Tests on Azure SQL Database with INSERT Statements? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on IOPS Tests on Azure SQL Database with INSERT Statements. What Is IOPS (I/O Operations Per Second) Table for IOPS...
2019-08-08, 190👍, 0💬

What Is IOPS (I/O Operations Per Second)
What Is IOPS (I/O Operations Per Second)? IOPS (I/O Operations Per Second) is a measurement on how fast a data storage device can perform read and write operations. IOPS is not a throughput measurement, it only gives you the total number of I/O operations. Throughput can be estimated by multiplying ...
2019-08-08, 188👍, 0💬

Input Operation Test with INSERT Statements
How to run an input operation test with INSERT statements? You can put an INSERT statement in a WHILE loop to run an input operation test as shown in this tutorial. Create the following SQL script, fyi_int_insert.sql: -- fyi_int_insert.sql -- Copyright (c) FYIcenter.com DECLARE @Count INT SET @Count...
2019-07-30, 235👍, 0💬

Input Operation Test with UUID Data Type
How to run an input operation test with INSERT statements on UUID data type? If you want to see the impact of larger data type like 16-byte UNIQUEIDENTIFIER (UUID), comparing to the 4-byte INT and 8-byte BIGINT, you can follow this tutorial. Create the following SQL script, fyi_uuid_insert.sql: -- f...
2019-07-30, 223👍, 0💬

Input Operation Test with BIGINT Data Type
How to run an input operation test with INSERT statements on BIGINT data type? If you want to see the impact of larger data type like 8-byte BIGINT, comparing to the 4-byte INT, you can follow this tutorial. Create the following SQL script, fyi_bigint_insert.sql: -- fyi_bigint_insert.sql -- Copyrigh...
2019-07-30, 220👍, 0💬

Verify Azure SQL Database Storage Usage
How to verify Azure SQL Database Storage Usage? You can follow this tutorial to verify Azure SQL Database storage usage. 1. Login to your Azure Web portal and open the Azure SQL Database, "fyi_db". 2. Click "Query editor" in the left menu and run the fyi_int_insert.sql script with @Count = 50000. It...
2019-07-30, 191👍, 0💬

Verify SQL Database DTU Usage
How to verify Azure SQL Database DTU Usage? You can follow this tutorial to verify Azure SQL Database DTU usage. 1. Login to your Azure Web portal and open the Azure SQL Database, "fyi_db". 2. Click "Query editor" in the left menu and run the fyi_int_insert.sql script with @Count = 50000. 3. Wait fo...
2019-07-30, 180👍, 0💬

Use Query Editor on Azure Portal
How to use Query Editor on Azure Portal? Query Editor on Azure Portal is nice client tool that allows you to run SQL queries to your Azure SQL database. 1. Login to your Azure Web portal. 2. Search and select your Azure SQL Database name "fyi_db". You see a summary information of your database. 3. C...
2019-07-28, 173👍, 0💬

Create Azure SQL Database
How to create an Azure SQL Database? If you have subscription account with Microsoft, you can follow this tutorial to create an Azure SQL Database with Azure Web portal. 1. Login to your Azure Web portal. 2. Select Create a resource in the upper left-hand corner of the Azure portal. 3. Select Databa...
2019-07-21, 165👍, 0💬

Input Operation Test with Large Records
How to run an input operation test with INSERT statements with Large Records? If you want to test the INSERT statement performance with large record sizes, we need to use a table with multiple columns, since one column of VARCHAR is limited to 8000 characters. Create the following SQL script, fyi_bl...
2019-07-21, 250👍, 0💬

"Your services were disabled" Error
Why am I getting the "Your services were disabled" error while running a query on Azure SQL Database? You are getting the "Your services were disabled" error, because you have reached the spending limit configured on your Azure subscription. For example, let's assume that your subscription has a $1,...
2019-07-21, 197👍, 0💬

"Execution Timeout Expired" Error on Azure Portal
Why am I getting the "Execution Timeout Expired" error when using the "Query Editor" on Azure Portal? If you are running a query or a script that runs more than 5 minutes in the Query Editor on Azure Portal, you will get the "Execution Timeout Expired" error, because Query Editor has 5-minute timeou...
2019-07-21, 189👍, 0💬

Performance Impact of Higher Azure Service Tier
What is the Performance Impact of Higher Azure Service Tier? If you want to see the performance impact of Azure Service tier, you can re-run the same test script, fyi_block_insert.sql, on another Azure SQL Database with higher service tier. For example, run fyi_block_insert.sql, on a Azure SQL Datab...
2019-07-21, 185👍, 0💬

Input Operation Test with VARCHAR Data Type
How to run an input operation test with INSERT statements on VARCHAR data type? If you want to test the INSERT statement performance with a variable record size using the VARCHAR data type, you can follow this tutorial. The VARCHAR data type uses a storage size of string length plus 2 extra bytes. C...
2019-07-21, 183👍, 0💬

SQL Server Storage Tutorials
Where to find answers for frequently asked questions (FAQ) on SQL Server Data Storage and I/O? Here is a collection of many frequently asked questions on SQL Server Data Storage and I/O with answers compiled by FYIcenter.com team: Introduction of Azure SQL Database What Is Azure SQL Database Create ...
2019-07-19, 342👍, 0💬

Introduction of Azure SQL Database
Where to find tutorials on Introduction of Azure SQL Database? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Introduction of Azure SQL Database. What Is Azure SQL Database Create Azure SQL Database Review Azure SQL Database Configuration Use ...
2019-07-18, 156👍, 0💬

What Is sys.filegroups?
What Is sys.filegroups view in SQL Server? sys.filegroups is a system view in a SQL Server Database that contains information about each logical filegroups used by the database. Each record in the sys.filegroups table represents a single SQL Server Logical Filegroup with the following key fields: na...
2019-07-14, 202👍, 0💬

What Is sys.database_files?
What Is sys.database_files view in SQL Server? sys.database_files is a system view in a SQL Server Database that contains information about each physical files used by the database. Each record in the sys.database_files table represents a single SQL Server Physical File with the following key fields...
2019-07-14, 201👍, 0💬

SQL Server System Views and Functions
Where to find tutorials on using SQL Server System Views and Functions related to data storage and I/O? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on using SQL Server System Views and Functions related to data storage and I/O. What Is a SQL S...
2019-07-14, 186👍, 0💬

What Is a SQL Server File
What Is a SQL Server File? A SQL Server File represents a physical file provided by the operating system to store information for a SQL Server Database. Every SQL Server Database uses 3 types of physical files: 1. Primary File - The primary data file contains the startup information for the database...
2019-07-14, 185👍, 0💬

What Is a SQL Server Filegroup
What Is a SQL Server Filegroup? A SQL Server Filegroup represents a logical group of one or multiple physical Files. Each Filegroup will be used as a single logical unit to allocate storage space for database tables. A SQL Server Database must have one Filegroup defined as the Default Filegroup, or ...
2019-07-14, 183👍, 0💬

What Is OBJECT_ID()
What Is OBJECT_ID() function in SQL Server? OBJECT_ID() is a system function in a SQL Server Database that returns the object_id value from the sys.objects table for a given object name. The following query will return the same result: SELECT OBJECT_ID('ADDRESS') AS object_id 211197 SELECT object_id...
2019-07-09, 221👍, 0💬

What Is sys.objects
What Is sys.objects view in SQL Server? sys.objects is a system view in a SQL Server Database that contains information about each data object like a table or an index used by the database. Each record in the sys.objects table represents a single data object with the following key fields: name - sys...
2019-07-09, 181👍, 0💬

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