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Mastering SQL - Unravel the Secrets of Database Management


Welcome to the definitive guide for database enthusiasts and aspiring SQL experts! "Mastering SQL" is your comprehensive companion on the journey to becoming a master of Structured Query Language (SQL) - the powerhouse behind modern data management systems.

Mastering SQL

  • 1.Introduction to SQL
    1.1.What is SQL?
    1.2.History of SQL
    1.3.SQL Standards and Variants
    1.4.SQL Database Management Systems
    1.5.Setting Up SQL Environment
    1.6.Basic SQL Queries

    2.Retrieving Data with SELECT
    2.1.The SELECT Statement
    2.2.Filtering Data with WHERE
    2.3.Sorting Results with ORDER BY
    2.4.Limiting and Paging Data
    2.5.Using DISTINCT and Aggregate Functions
    2.6.Working with NULL Values

    3.Joins and Subqueries
    3.3.Subqueries and Nested SELECT Statements
    3.4.Correlated Subqueries
    3.5.Common Table Expressions (CTEs)
    3.6.Advanced Join Techniques

    4.Data Modification
    4.1.Inserting Data into Tables
    4.2.Updating Existing Data
    4.3.Deleting Records
    4.4.Transactions and Data Integrity
    4.5.MERGE Statement (Upsert)

    5.Working with Functions
    5.1.Scalar Functions
    5.2.String Functions
    5.3.Date and Time Functions
    5.4.Numeric Functions
    5.5.Aggregate Functions
    5.6.Window Functions

    6.Data Aggregation and Grouping
    6.1.GROUP BY Clause
    6.2.HAVING Clause
    6.3.Rollup and Cube
    6.5.PIVOT and UNPIVOT

    7.Advanced Querying Techniques
    7.1.Common Table Expressions (CTEs) and Recursive CTEs
    7.2.Window Functions and Ranking
    7.3.Lateral Joins
    7.4.Data Paging with OFFSET-FETCH
    7.5.Using TABLESAMPLE for Sampling Data

    8.Views and Indexes
    8.1.Creating and Managing Views
    8.2.Advantages and Limitations of Views
    8.3.Index Types and Performance Considerations
    8.4.Clustered and Non-Clustered Indexes
    8.5.Index Maintenance and Optimization

    9.Stored Procedures and Functions
    9.1.Creating and Executing Stored Procedures
    9.2.Input and Output Parameters
    9.3.Error Handling in Stored Procedures
    9.4.User-Defined Functions (UDFs)
    9.5.Advantages and Best Practices for Using Stored Procedures

    10.Triggers and Events
    10.1.Creating and Managing Triggers
    10.2.Trigger Types (BEFORE and AFTER)
    10.3.FOR EACH ROW Trigger
    10.4.Event Scheduling with MySQL Events

    11.Transactions and Concurrency
    11.1.ACID Properties of Transactions
    11.2.Transaction Isolation Levels
    11.3.Locking and Deadlocks
    11.4.Handling Concurrency Issues
    11.5.Optimistic and Pessimistic Locking

    12.Performance Optimization
    12.1.Query Optimization and Execution Plans
    12.2.Understanding Execution Plans
    12.3.Index Tuning and Query Rewriting
    12.4.Analyzing Performance Bottlenecks
    12.5.Using EXPLAIN and ANALYZE

    13.Backup and Recovery
    13.1.Data Backup Strategies
    13.2.Full, Incremental, and Differential Backups
    13.3.Point-in-Time Recovery
    13.4.Backup Compression and Encryption
    13.5.Restore Procedures and Best Practices

    14.Security and User Management
    14.1.SQL Injection and Prevention
    14.2.Role-Based Access Control (RBAC)
    14.3.Managing Users and Permissions
    14.4.Auditing Database Activities
    14.5.Securing Database Connections

    15.Advanced SQL Topics
    15.1.Recursive Queries
    15.2.Temporal Tables
    15.3.Materialized Views
    15.4.JSON and XML Handling in SQL
    15.5.Geospatial Data and GIS Functions

    16.NoSQL and SQL Integration
    16.1.Overview of NoSQL Databases
    16.2.SQL and NoSQL Integration Strategies
    16.3.Using SQL with Document Databases
    16.4.Combining SQL and Graph Databases

    17.SQL in Real-World Applications
    17.1.SQL in Web Development
    17.2.SQL for Business Intelligence and Reporting
    17.3.SQL in Data Warehousing
    17.4.SQL for Machine Learning and AI
    17.5.SQL Best Practices in Production Environments

    18.1.SQL Syntax Reference
    18.2.Glossary of SQL Terms
    18.3.About the author

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