YEARWEEK - ONEDOUBT.COM

AI
- ML Intro
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- ML in JavaScript
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- ML Clustering
- ML Regressions
- ML Deep Learning
- ML Brain.js
- TFJS Tutorial
- TFJS Operations
- TFJS Models
- TFJS Visor
- Ex1 Intro
- Ex1 Data
- Ex1 Model
- Ex1 Training
- Ex2 Intro
- Ex2 Data
- Ex2 Model
- Ex2 Training
- Graph Intro
- Graph Canvas
- Graph Plotly.js
- Graph Chart.js
- Graph Google
- Graph D3.js
- History of Intelligence
- History of Languages
- History of Numbers
- History of Computing
- History of Robots
- History of AI
- Job Replacements
- Theory of Mind
- Mathematics
- Linear Functions
- Linear Algebra
- Vectors
- Matrices
- Tensors
- Statistics
- Descriptive
- Variability
- Distribution
- Probability
AngularJS
- AngularJS HOME
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- AngularJS Controllers
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- AngularJS Tables
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- AngularJS DOM
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- AngularJS Validation
- AngularJS API
- AngularJS W3.CSS
- AngularJS Includes
- AngularJS Animations
- AngularJS Routing
- AngularJS Application
- AngularJS Examples
- AngularJS Reference
Arduino Projects
- How HC-SR04 Ultrasonic Sensor Works & Interface It With Arduino
- How HC-SR501 PIR Sensor Works & Interface It With Arduino
- Interfacing DHT11 and DHT22 Sensors with Arduino
- Interface DHT11 Module With Arduino
- Interfacing AM2320 Temperature & Humidity Sensor with Arduino
- Interfacing LM35 Temperature Sensor with Arduino
- How MQ2 Gas/Smoke Sensor Works? & Interface it with Arduino
- How MQ3 Alcohol Sensor Works? & Interface it with Arduino
- How RCWL-0516 Microwave Radar Motion Sensor Works & Interface It With Arduino
- Interfacing DS18B20 1-Wire Digital Temperature Sensor with Arduino
- Interfacing Multiple DS18B20 Digital Temperature Sensors with Arduino
- Interfacing MAX6675 Thermocouple Module with Arduino
- Interfacing SHT31 Temperature & Humidity Sensor with Arduino
- Interfacing HTU21D Temperature & Humidity Sensor with Arduino
- Interfacing Reed Switch with Arduino
- Interfacing Ball Tilt Switch Sensor with Arduino
- Interfacing Soil NPK Sensor with Arduino
- How Soil Moisture Sensor Works and Interface it with Arduino
- Interfacing Capacitive Soil Moisture Sensor with Arduino
- Interfacing MAX4466 Microphone Amplifier Module with Arduino
- Interface Sound Sensor with Arduino and Control Devices With a Clap
- How Water Level Sensor Works and Interface it with Arduino
- How Rain Sensor Works and Interface it with Arduino
- Interfacing Force Sensing Resistor (FSR) with Arduino
- Interfacing Flex Sensor with Arduino
- Monitor the Heart Rate using Pulse Sensor and Arduino
- Interfacing MAX30100 Pulse Oximeter and Heart Rate Sensor with Arduino
- Interfacing MAX30102 Pulse Oximeter and Heart Rate Sensor with Arduino
- Interface BMP180 Barometric Pressure & Temperature Sensor with Arduino
- Interface BME280 Temperature, Humidity & Pressure Sensor with Arduino
- Interface BME680 Environmental Sensor with Arduino
- Interfacing BMP388 Barometric Pressure Sensor (Altimeter) with Arduino
- Interfacing MS5611 Barometric Pressure Sensor with Arduino
- Interfacing TMP36 Temperature Sensor with Arduino
- Interface MLX90614 Non-contact Infrared Temperature Sensor with Arduino
- What is RFID? How It Works? Interface RC522 RFID Module with Arduino
- Interfacing TCS230/TCS3200 Color Sensor with Arduino
- How Accelerometer works? Interface ADXL335 with Arduino
- Interface MPU6050 Accelerometer and Gyroscope Sensor with Arduino
- Interfacing TFMini-S LiDAR Sensor with Arduino
- Interface DS1307 RTC Module with Arduino
- Interface DS3231 Precision RTC Module with Arduino
- Interface One Channel Relay Module with Arduino
- Interface Two Channel Relay Module with Arduino
- Interface 4×3 & 4×4 Membrane Keypad with Arduino
- How Rotary Encoder Works and Interface It with Arduino
- How 74HC595 Shift Register Works & Interface it with Arduino
- How 2-Axis Joystick Works & Interface with Arduino + Processing
ASP
- ASP HOME
- WebPages Intro
- WebPages Razor
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- Razor Intro
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- Razor C# Variables
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- ASP Intro
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- ASP Looping
- ASP Forms
- ASP Cookies
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- ASP #include
- ASP Global.asa
- ASP AJAX
- ASP e-mail
- ASP Examples
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- ASP Application
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- ADO Intro
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AWS
- AWS HOME
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- AWS Serverless
- AWS Lambda
- AWS Containers
- AWS ECS
- AWS EKS
- AWS Fargate
- AWS First Recap
- AWS Infrastructure
- AWS Regions
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- AWS Edge Locations
- AWS Provision
- AWS Provision Services
- AWS Elastic Beanstalk
- AWS CloudFormation
- AWS Second Recap
- AWS Networking
- AWS Connectivity
- AWS Subnet and Access
- AWS Global Networking
- AWS Third Recap
- AWS Storage and DBs
- AWS Instance Stores
- AWS EBS
- AWS S3
- AWS EBS vs S3
- AWS Elastic File System
- AWS RDS
- AWS DynamoDB
- AWS DynamoDB vs RDS
- AWS Redshift
- AWS DMS
- AWS Additional DB Services
- AWS Fourth Recap
- AWS Cloud Security
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- AWS Fifth Recap
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- Python Apps on AWS
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Basic Electronics
- Semiconductor Basics
- PN Junction Diode
- The Half-Wave Rectifier
- The Full-Wave Rectifier
- The Full-Wave Bridge Rectifier
- The Zener Diode
- Light Emitting Diode (LED)
C
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C#
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C++
- C++ HOME
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- C++ Strings
- Strings
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- Numbers and Strings
- String Length
- Access Strings
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- C++ Math
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- C++ Conditions
- if
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- C++ Switch
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- C++ Arrays
- Arrays
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- Get Array Size
- Multidimensional Arrays
- C++ Structures
- C++ References
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- Pass Arrays
- C++ Function Overloading
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- C++ Classes/Objects
- C++ Class Methods
- C++ Constructors
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- Add Two Numbers
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CSS
- CSS HOME
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- CSS Fonts
- Font Family
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- CSS Icons
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- CSS Variables
- The var() Function
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- RWD Intro
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- CSS Colors
- CSS Color Values
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- CSS Browser Support
Cyber Security
- CS HOME
- CS Cyber Crime
- CS Money Making Threats
- CS Dark Web
- CS Networking Basics
- CS Network Layer
- CS Network Transport
- CS Firewalls
- CS Web Applications
- CS Mapping &Port Scanning
- CS Network Attacks
- CS Web Application Attacks
- CS WIFI Attacks
- CS Penetration Testing &Social Engineering
- CS Passwords
- CS Security Operations
- CS Incident Response
- CS Quiz
- CS Certificate
Data Science
- DS HOME
- DS Introduction
- DS What is Data
- DS Database Table
- DS Python
- DS DataFrame
- DS Functions
- DS Data Preparation
- DS Linear Functions
- DS Plotting Functions
- DS Slope and Intercept
- Stat Introduction
- Stat Percentiles
- Stat Standard Deviation
- Stat Variance
- Stat Correlation
- Stat Correlation Matrix
- Stat Correlation vs Causality
- DS Linear Regression
- DS Regression Table
- DS Regression Info
- DS Regression Coefficients
- DS Regression P-Value
- DS Regression R-Squared
- DS Linear Regression Case
- DS Bootcamp
DBaaS
- Database as a Service
DBReplication
- CSV-Database
- Manage Database In Dbreplication.In
- Set Backup Scheduled in Dbreplication.In
- Set Replication Scheduled in Dbreplication.In
Django
- Django Home
- Django Intro
- Django Get Started
- Create Virtual Environment
- Install Django
- Django Create Project
- Django Create App
- Django Views
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- Django Update Model
- Prepare Template and View
- Add Link to Details
- Add Master Template
- Add Main Index Page
- Django 404 Template
- Add Test View
- Django Admin
- Create User
- Include Models
- Set List Display
- Update Members
- Add Members
- Delete Members
- Django Variables
- Django Tags
- Django If Else
- Django For Loop
- Django Comment
- Django Include
- QuerySet Introduction
- QuerySet Get
- QuerySet Filter
- QuerySet Order By
- Add Static Files
- Install WhiteNoise
- Collect Static Files
- Add Global Static Files
- Add Styles to the Project
- PostgreSQL Intro
- Create AWS Account
- Create Database in RDS
- Connect to Database
- Add Members
- Elastic Beanstalk (EB)
- Create requirements.txt
- Create django.config
- Create .zip File
- Deploy with EB
- Update Project
- Add Slug Field
- Add Bootstrap 5
- Template Tag Reference
- Filter Reference
- Field lookups Reference
- Django Compiler
- Django Exercises
- Django Quiz
- Django Certificate
- Add Main Index Page
- Django Template Variables
- Filter Reference
- Django Variables
- Django Variables
- Django Tags
- Django For Loop
- QuerySet Introduction
- Add Static Files
DS Database Table
- Data Science - Database Table
ESP32 Projects
- Getting Started with ESP32
- ESP32 vs. ESP8266: Which Microcontroller Is Right for You?
- ESP32 Pinout Reference
- ESP32-WROOM-32 Pinout Reference
- ESP32 Basics: Analog-to-digital Converter (ADC)
- ESP32 Basics: Hall Effect Sensor
- ESP32 Basics: Capacitive Touch Pins
- ESP32 Basics: Generating a PWM Signal on the ESP32
- Configuring & Handling ESP32 GPIO Interrupts In Arduino IDE
- Insight Into ESP32 Sleep Modes & Their Power Consumption
- ESP32 Deep Sleep & Its Wake-up Sources
- Create A Simple ESP32 Web Server In Arduino IDE
- How to Create an ESP32 Web Server with WebSockets in Arduino IDE
- ESP32 Basics: Bluetooth Classic
- ESP32 Basics: Bluetooth Low Energy (BLE)
- How to Build a CAN Bus With ESP32
- Create A Simple ESP32 Web Server In Arduino IDE
- Interface DHT11 DHT22 with ESP32 & Display Values Using Web Server
- Create A Simple ESP32 Weather Station With BME280
- Interface Multiple DS18B20s with ESP32 & Display Values Using Web Server
- Getting Started With ESP32-CAM
- ESP32-CAM Pinout Reference
- Control WS2812B Addressable LEDs with ESP32 and WLED
- Getting started with Sound Reactive WLED
- How to Find and Change the MAC Address on ESP32
- How to Solve �A Fatal Error Occurred: Failed to Connect to ESP32: Timed Out Waiting for Packet Header�
- How to set up mDNS on an ESP32
- How to set a Static or Fixed IP Address on your ESP32
- ESP32 Basic Over The Air (OTA) Programming In Arduino IDE
- ESP32 Web Updater Over The Air (OTA) Programming In Arduino IDE
- Getting Date & Time From NTP Server With ESP32
- Interface OLED Graphic Display Module with ESP32
ESP8266 Projects
- Getting Started with ESP8266
- Installing ESP8266 Board in the Arduino IDE
- ESP8266 Pinout Reference
- Create A Simple ESP8266 NodeMCU Web Server In Arduino IDE
- Configuring & Handling ESP8266 GPIO Interrupts In Arduino IDE
- ESP8266 Over The Air (OTA) Programming In Arduino IDE
- Getting Date & Time From NTP Server With ESP8266 NodeMCU
- Control WS2812B Addressable LEDs with ESP8266 and WLED
- Interface DHT11 DHT22 w/ ESP8266 NodeMCU Using Web Server
- How to Use an I2C LCD Display With ESP8266
- Interface OLED Graphic Display Module with ESP8266 NodeMCU
- Display Values of Multiple DS18B20s on ESP8266 NodeMCU Web Server
- Create A Simple ESP8266 Weather Station With BME280
Excel
- Excel HOME
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- Filling
- Double Click to Fill
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- Excel Relative Reference
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- Excel Arithmetic Operators
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- Excel Division
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- Excel Functions
- Excel Formatting
- Excel Format Painter
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- Tables
- Table Design
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- Convert Table to Range
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- Excel Conditional Format
- Excel Highlight Cell Rules
- Highlight Cell Rules
- HCR - Greater Than
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- HCR - Text That Contains
- HCR - Date Occurring
- HCR - Unique Values
- Excel Top Bottom Rules
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- Above Below Average
- Excel Data Bars
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- Charts
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- 100% Stacked Line Charts
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- Table Pivot Intro
- Case: Poke Mart
- Case: Poke Mart, Styling
- AND
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- Convert Time to Seconds
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- NPV (Net Present Value)
- Remove Duplicates
- Introduction to Excel
- Learn Data Calculations
- Learn Data Visualization
- Learn to Create a Budget
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- Learn to Style in Excel
- Excel Exercises
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- Excel HOME
- Excel HOME
- Excel Get Started
GIT
- Git HOME
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- {{title}} Get Started
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GO
- Go Home
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HTML
- HTML HOME
- HTML Introduction
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- HTML Tables
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- HTML Block & Inline
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- HTML Summary
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Example

Return the year and week number for a date:

SELECT YEARWEEK("2017-06-15");

Definition and Usage

The YEARWEEK() function returns the year and week number (a number from 0 to 53) for a given date.

Syntax

YEARWEEK(date, firstdayofweek)

Parameter Values

Parameter	Description
date	Required. The date or datetime value to extract the year and week number from
firstdayofweek	Optional. Specifies what day the week starts on. Can be one of the following: 0 - First day of week is Sunday 1 - First day of week is Monday and the first week has more than 3 days 2 - First day of week is Sunday 3 - First day of week is Monday and the first week has more than 3 days 4 - First day of week is Sunday and the first week has more than 3 days 5 - First day of week is Monday 6 - First day of week is Sunday and the first week has more than 3 days 7 - First day of week is Monday

Parameter

Description

date

Required. The date or datetime value to extract the year and week number from

firstdayofweek

Optional. Specifies what day the week starts on. Can be one of the following:

0 - First day of week is Sunday
1 - First day of week is Monday and the first week has more than 3 days
2 - First day of week is Sunday
3 - First day of week is Monday and the first week has more than 3 days
4 - First day of week is Sunday and the first week has more than 3 days
5 - First day of week is Monday
6 - First day of week is Sunday and the first week has more than 3 days
7 - First day of week is Monday

Technical Details

Works in:	From MySQL 4.0

More Examples

Example

Return the year and week number for a date:

SELECT YEARWEEK("2017-10-25");

Example

Return the year and week number for the current system date:

SELECT YEARWEEK(CURDATE());

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