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database

83 tutorials found

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SQL(70)

SQL Introduction

SQL Fundamentals

Database Concepts

SQL Fundamentals

SQL Data Types

SQL Fundamentals

CREATE TABLE Statement

SQL Fundamentals

INSERT INTO Statement

SQL Fundamentals

SELECT Statement

SQL Fundamentals

WHERE Clause

SQL Fundamentals

SELECT DISTINCT

SQL Fundamentals

ORDER BY Clause

SQL Fundamentals

LIMIT and OFFSET

SQL Fundamentals

Aliases (AS)

SQL Fundamentals

UPDATE Statement

SQL Fundamentals

DELETE Statement

SQL Fundamentals

AND, OR, NOT Operators

SQL Fundamentals

IN and BETWEEN Operators

SQL Fundamentals

LIKE Wildcards for Pattern Matching

SQL Patterns

Handling NULL Values with IS NULL

SQL Data Types

INNER JOIN for Combining Tables

SQL Joins

LEFT JOIN for Left Outer Queries

SQL Joins

RIGHT JOIN for Right Outer Queries

SQL Joins

FULL OUTER JOIN

SQL Joins

CROSS JOIN

SQL Joins

Self JOIN

SQL Joins

UNION, INTERSECT, EXCEPT

SQL Joins

GROUP BY Clause

SQL Aggregation

HAVING Clause

SQL Aggregation

Aggregate Functions Overview

SQL Aggregation

COUNT, SUM, AVG

SQL Aggregation

MIN and MAX

SQL Aggregation

String Functions

SQL Aggregation

Date and Time Functions

SQL Functions

Numeric Functions

SQL Functions

Subqueries

Advanced SQL

Correlated Subqueries

Advanced SQL

CASE Expression

Advanced SQL

COALESCE and NULLIF

SQL Database Objects

SQL Views

SQL Database Objects

SQL Indexes

SQL Database Objects

SQL Constraints

SQL Database Objects

ALTER TABLE Statement

SQL Database Objects

DROP TABLE and TRUNCATE

SQL Advanced

Transactions (COMMIT, ROLLBACK)

SQL Advanced

Stored Procedures

SQL Advanced

User-Defined Functions

SQL Advanced

Database Triggers

SQL Advanced

Introduction to Window Functions

Window Functions

ROW_NUMBER, RANK, and DENSE_RANK

Window Functions

LEAD and LAG Functions

Window Functions

Introduction to Common Table Expressions

Common Table Expressions

Recursive CTEs

Common Table Expressions

Database Normalization

SQL Performance

Entity-Relationship Diagrams

SQL Performance

Query Performance

SQL Performance

EXPLAIN and ANALYZE

Performance

SQL Best Practices

Best Practices

SQL Joins Masterclass

SQL Mastery

Practicing SQL

Best Practices

SQL Glossary

Reference

SQL Cheatsheet

Reference

Advanced Window Functions

Window Functions

PIVOT and UNPIVOT

Advanced SQL

Working with JSON in SQL

Advanced SQL

Full-Text Search

Advanced SQL

PostgreSQL vs MySQL

Reference

SQL for Data Analysis

Advanced SQL

CTE Deep Dive

SQL Expert

Table Partitioning

SQL Expert

SQL ETL Pipelines

Advanced SQL

SQL Security

Security

SQL A to Z

Reference