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UUID/GUID Validator
How to valid UUID/GUID strings? In order to help your programming or testing tasks, FYIcenter.com has designed this online tool for you to validate any given UUID/GUID string. All you need to do is to enter an UUID/GUID string and click the "Validate" button. Validation result will be displayed in t...
2019-07-21, 2810👍, 2💬

💬 2019-07-21 FYIcenter.com: @Martin, this tool currently only performs a format validation. We will enhance it to cover your case later.

💬 2019-07-19 Martin: As you say, the 13th hex digit specifies the version and thus must be one of the valid versions numbers 1,2,3,4 or 5. Your valid...

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, 288👍, 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, 240👍, 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, 223👍, 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, 217👍, 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, 215👍, 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, 449👍, 0💬

Debug Tests in Selenium IDE for Chrome
How to debug tests in Selenium IDE for Chrome? There are several tools you can use to debug tests in Selenium IDE for Chrome, 1. Use "echo" commands to print out information in the log output. 2. Use breakpoints to pause execution to inspect the Web page in the browser. 3. Click "Resume" icon to res...
2019-07-18, 156👍, 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, 201👍, 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, 232👍, 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, 229👍, 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, 214👍, 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, 213👍, 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, 212👍, 0💬

Selenium Tutorials
Where to find tutorials on Selenium test tools? I want to know how to use Selenium. Here is a large collection of tutorials to answer many frequently asked questions compiled by FYIcenter.com team about Selenium test tools: Introduction to Selenium What Is Selenium WebDriver and WebDriver Servers Wh...
2019-07-14, 369👍, 0💬

Show My IP Address and Host Name
How to see my IP address Host Name? To help you to see your IP Address Host Name, FYIcenter.com has designed this online tool. All you need to do is to click the "Show Me" button below. Your IP address and host name will be displayed in the result area. FYIcenter.com Lookup Result - Your IP address ...
2019-07-13, 2816👍, 2💬

💬 2019-07-13 Kiara Morris-Dadzie: please u can gave to me new card and thanks!

💬 2019-06-30 Mathemagician: -5! a-b is -5 !!!

MAC Address Validator
How to valid MAC addresses? In order to help your programming or testing tasks, FYIcenter.com has designed this online tool for you to validate any given MAC address. All you need to do is to enter a MAC address and click the "Validate" button. Validation result will be displayed in the result area....
2019-07-09, 1085757👍, 18💬

💬 2019-07-09 FYIcenter.com: @Naga, we will update the tool to support "Period" notation format.

💬 2019-07-03 Naga: This tool is not validating "Period - Separated Hexadecimal notation" like below example 001.422.012.345

💬 2019-05-10 FYIcenter.com: @Gokcer, Currently this tool only validates them as hexadecimal digits. We will enhance it to respect IEEE 802 standards.

(More comments ...)

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, 250👍, 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, 212👍, 0💬

List All Files in a Filegroup
How to List All physical Files in a logical Filegroup? In a large SQL Server Database, you may have multiple logical Filegroups. And a Filegroup may have multiple physical Files. To list all physical Files in a logical Filegroup, you need to join two system tables, sys.filegroups and sys.database_fi...
2019-07-09, 200👍, 0💬

What Is sys.partitions?
What Is sys.partitions view in SQL Server? sys.partitions is a system view in a SQL Server Database that contains information about each data partition used by a data object in the database. Each record in the sys.partitions table represents a single data partition with the following key fields: par...
2019-07-09, 197👍, 0💬

What Is a SQL Server Partition
What Is a SQL Server Partition? A SQL Server Partition represents a logical data storage space area that is used to store data for a table or other data objects. By default all records in a table are stored in a single Partition. You may configure a table as Partitioned with use multiple partitions,...
2019-07-09, 174👍, 0💬

Review Azure SQL Database Configuration
How is my Azure SQL Database configured? If you have followed the previous tutorial, you can continue with this one to review your Azure SQL Database configurations. 1. Login to your Azure Web portal. 2. Search and select your resource group name "Group". You see two services have been created: fyi-...
2019-07-07, 157👍, 0💬

Azure SQL Database Related Terminology
Azure SQL Database Related Terminology: DTU - DTU (Database Transaction Unit) is a unit of measure of mixed resources of CPU, Memory and IO used to support Azure SQL database. The actual computing power provided by each DTU is based on your SQL database service tier. For example, at the "Standard" t...
2019-07-05, 178👍, 0💬

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