darragh's notes

            • Binary Search
            • Linear Search
            • Bubble Sort
            • Insertion Sort
            • Merge Sort
            • Quick Sort
            • Dictionary Encoding
            • Run-Length Encoding
          • Compression
            • Hash Tables
            • Linked List
          • Array
          • List
          • Record
          • Tuple
            • Additional Commands
            • Commands
            • Wildcards
          • CRUD (Create, Read, Update, Delete)
          • Data Integrity
          • Keys
          • Normalisation (Normal Factor)
          • Transaction Processing
          • Compilers
          • Licensing
          • Nature of Applications
          • Translators
          • Utility Software
            • Analysis of Personal Information
            • Automated decision making & Artificial Intelligence
            • Censorship and the Internet
            • Computers in the Workforce
            • Environmental Effects
            • Layout, Colour Paradigms, and Character Sets
            • Monitor Behaviour
            • Piracy and Offensive Communications
            • Processing
            • Topology
            • Hardware
            • Layers
            • TCP/IP Model
            • Packet and Circuit Switching
            • Protocols
            • Network Security
            • Network Security In Development
            • Network Threats
          • Networking
          • Types of Networks
          • Multi-tasking and Scheduling
          • Operating System Needs
          • Paging vs. Segmentation
              • Little Man Computing
              • Memory Addressing
            • CSS
          • Page Rank
          • Search Engine Indexing
          • Server-Side and Client-Side Processing
                • Foreign Policy under Stalin (1924 - 1929)
              • Was collectivisation a success?
              • Cult of Personality
              • Answering Questions about the Five Year Plans
              • Five Year Plans
              • Impact of the Five Year Plans
                • 2.4 - Overview
                • 2.4.1 - Elites, Gentry, Commanders
                • 2.4.2 - Regional Variations
                • 2.4.3 - Social Impact of Religious Changes
                • 2.4.4 - Lincolnshire Rising and Pilgrimage of Grace, 1536
                • 2.5.1 - Trade and Exploration
                • 2.5.2 - Economy
                • 2.6.1 - Nature of the English Church Before Reformation
                • 2.6.2 - Renaissance and Humanism During Henry VIII's Reign
                • 2.6.4 - Dissolution of the Monasteries (1536 - 40)
                • 2.6.5 - Impact of the Dissolution of the Monasteries
                • 2.6.7 - Opposition to Religious reforms
                • 2.6.8 - Support for Religious reforms
                • 2.6.9 - Government Response to Opposition
              • Edward's Role in Government
              • Government under Northumberland 1550 - 1553
              • Somerset's Foreign Policy
                • Scissor Crisis
                • Nomenklatura
                  • Treaty of Etaples
              • Threats and Supporters
              • Reading on Conservation
              • Evaluating Harlow's Animal Study
              • Evaluating Lorenz's Animal Study
              • Harlow's Animal Study
              • Lorenz's Animal Study
              • Genie - Feral Child
              • Bowlby's Monotropic Theory
              • Bowlby's Theory of Maternal Deprivation
              • Evaluating Bowlby's Monotropic Theory
              • Evaluating Bowlby's Theory of Maternal Deprivation
              • Learning Theory
              • Evaluating Influence of Early Attachments on Relationships
              • Influence of Early Attachments on Adult Relationships
              • Influence of Early Attachments on Child Relationships
              • Romanian Orphan Studies
              • Schaffer and Emerson (1964)
            • Attachment
            • Cultural Variations
            • Evaluating Attachment
            • Evaluating Cultural Variations
            • Types of Attachments
              • Circadian Rhythms
              • Infradian Rhythms
              • Introduction to Rhythms
            • Brain Imaging
            • Evaluating Brain Imaging
            • Evaluating Fight or Flight Response
            • Evaluating Localisation of function in the Brain
            • Fight or Flight Response
            • Localisation of function in the Brain
            • Neurons
            • Synaptic Transmission
            • The Endocrine System
            • The Nervous System
            • Approaches
            • Cultural Bias
            • Ethical Implications of Socially Sensitive Research
            • Evaluating Cultural Bias
            • Evaluating Free Will and Determinism
            • Free Will and Determinism
            • Perspectives
                • Evaluating Cognitive Interview
                • Loftus and Palmer (1974)
                • Yerkes and Dodson Law (1908)
              • Eyewitness Testimony
              • Abnormality
              • Deviation from Ideal Mental Health
              • Deviation from Social Norms
              • Failure to Function Adequately
              • Statistical Infrequency
                  • Evaluating Treating Depression - Cognitive Approach
                  • Evaluating Treating Depression - Cognitive Approach Models
                  • Treating Depression - Beck's Negative Triad (1967)
                  • Treating Depression - Cognitive Approach
                  • Treating Depression - Ellis' ABC Model (1962)
                  • Evaluating OCD - Biological Approach
                  • Evaluating Treating OCD
                  • Evaluating Treating OCD
                  • Explaining OCD - Biological Approach
                  • Evaluation Treating Phobias: Behavioural Approach
                  • Treating Phobias: Behavioural Approach
              • Characteristics of Mental Disorders
            • DSM
                • Asch's Study
                • Asch's Variation Studies (Affecting Variables)
                • Evaluating Asch's Study
                • Zimbardo's Study
            • Conformity
            • Evaluating Conformity
            • Social Influence
          • Meta-Analysis
        • Information
          • Ethics
        • About My EPQ
            • Introduction to Switches
            • 1.1. Introduction to Sin, Cos and Tan
            • 1.2. Unit Circles and Sin, Cos and Tan
          • Index
        • Cartesian Coordinates
    Home

    ❯

    A Levels

    ❯

    Computer Science

    ❯

    Databases

    ❯

    CRUD (Create, Read, Update, Delete)

    CRUD (Create, Read, Update, Delete)

    20 Aug 20251 min read

    • computer-science
    • databases

    CRUD is the acronym for:

    • Create
    • Read
    • Update
    • Delete

    All relational databases support these operations and can be directly mapped to SQL statements.

    WordCommandsWikilinks
    CreateCREATE, INSERTAdditional Commands, Commands
    ReadSELECTCommands
    UpdateUPDATECommands
    DeleteDELETE, DROPCommands, Commands

    Graph View

    Created with Quartz v4.4.0 © 2025

    • GitHub