πŸ–ŠοΈ
Today I Learned
search
⌘Ctrlk
πŸ–ŠοΈ
Today I Learned
  • Home(ish) for Things I've Learned
  • πŸ¦„General
    • Agile Development
    • Architecture Development
    • Devops
    • Documentation
    • Networking
    • Virtualization
    • Security/Hacking
  • πŸ’»os
    • 🐧linux
    • 🍎mac
    • πŸͺŸwin
    • πŸš‡wsl
  • πŸ‘©β€πŸ’»programmy
    • azure
    • aad
    • databases
    • linux
      • Limit Execution Time Of Statements
      • Install Postgres With uuid-ossp Using asdf
      • Find The Location Of Postgres Config Files
      • Find The Data Directory
      • Create hstore From Two Arrays
      • Insert Just The Defaults
      • Stop a Service
      • Is App Installed?
        • Change The Current Directory For psql
        • Check If The Local Server Is Running
        • connections
        • Crypto
        • Database Operations
        • DateTime Operations
        • Functions
        • File Operations
        • IDE/Display
        • Indexing
        • Math Operations
        • Queries
        • Schema
        • Sequence
        • String Operations
        • Table Operations
        • Types & Operators
          • Special Math Operators
          • The nullif Function
          • Types By Category
          • Shorthand Absolute Value Operator
          • Show All Versions Of An Operator
          • Switch Non-Castable Column Type With Using Clause
          • Remove Not Null Constraint From A Column
          • List Various Kinds Of Objects
          • Max Identifier Length Is 63 Bytes
          • Lower Is Faster Than ilike
          • Is It Null Or Not Null?
          • Getting A Slice Of An Array
          • Get The Size Of An Index
          • Generate A UUID
          • Generate Random UUIDs Without An Extension
          • Determine Types Of JSONB Records
          • Defining Arrays
          • Creating Custom Types
          • Checking The Type Of A Value
          • Checking Inequality
        • User Operations
      • pgbouncer
    • c#
    • chrome
    • clojure
    • css
    • elixir
    • go
    • heroku
    • html
    • javascript
    • ml
    • node
    • php
    • python
    • rails
    • react
    • react native
    • react testing library
    • regEx
    • ruby
    • typescript
  • πŸ› οΈTools
    • ack
    • ansible
    • docker
    • git
    • github actions
    • hashicorp vault/consul
    • hashicorp terraform
    • jq
    • kubernetes
    • nginx
    • openssl
    • rspec
    • sed
    • seq
    • slack
    • statsd
    • vercel
    • vim
    • vscode
    • webpack
    • workflow
    • yaml
    • xstate
gitbookPowered by GitBook
block-quoteOn this pagechevron-down
githubEdit
  1. πŸ‘©β€πŸ’»programmychevron-right
  2. linuxchevron-right
  3. Is App Installed?

Types & Operators

Special Math Operatorschevron-rightThe nullif Functionchevron-rightTypes By Categorychevron-rightShorthand Absolute Value Operatorchevron-rightShow All Versions Of An Operatorchevron-rightSwitch Non-Castable Column Type With Using Clausechevron-rightRemove Not Null Constraint From A Columnchevron-rightList Various Kinds Of Objectschevron-rightMax Identifier Length Is 63 Byteschevron-rightLower Is Faster Than ilikechevron-rightIs It Null Or Not Null?chevron-rightGetting A Slice Of An Arraychevron-rightGet The Size Of An Indexchevron-rightGenerate A UUIDchevron-rightGenerate Random UUIDs Without An Extensionchevron-rightDetermine Types Of JSONB Recordschevron-rightDefining Arrayschevron-rightCreating Custom Typeschevron-rightChecking The Type Of A Valuechevron-rightChecking Inequalitychevron-right
PreviousCheck Table For Any Oprhaned Recordschevron-leftNextSpecial Math Operatorschevron-right

Last updated 4 years ago