Autoplay
Autocomplete
Previous Lesson
Complete and Continue
15 - Database Level 1 - SQL (Concepts and Practice)
Introdction
About This Course
Telegram Group
Installing SQL Sever 2022
How to install SQL Server 2022
Revision
Differences between Data, Information , Knowledge and Wisdom
Differences between Data Structure and Database (15:42)
Introduction
What is Database? (20:55)
What is NULL? (8:33)
Primary Key vs Foreign Key / Referential Integrity (24:36)
What is Redundancy? and why it's a problem? (19:22)
What is Data Integrity? and Why it's Important and Critical? (21:38)
What is Constraint? and Why it's Important? (13:47)
What is SQL? (17:51)
DBMs vs RDBMS Summary (8:50)
Database Design: Conceptual Design
What is ERD? and Why? (20:22)
ERD Symbols (12:33)
Components of ERD (2:27)
Entity (Strong) and Weak Entity (9:25)
Attributes (7:08)
Relationships (16:39)
One-to-One Relationship (16:21)
One-to-Many/Many-to-One Relationship (15:01)
Many-to-Many Relationship (6:26)
Cardinality vs Ordinality (11:57)
Cardinality Symbols and Practices (29:44)
Total Vs Partial Participation (5:54)
Process of Creating ERD Step by Step - Small Project (26:57)
Recommended ERD Software to Use (2:51)
Aggregation / Associative Entities (5:45)
Generalization (13:26)
Specialization (15:38)
Relational Schema
What is Relational Schema? (13:58)
Convert Self Referential ==> Relational Schema (7:07)
Convert Composite-Multivalued-Derived Attributes ==> Relational Schema (15:19)
Convert One-to-One ==> Relational Schema (8:45)
Convert One-to-Many/Many-to-One ==> Relational Schema (8:16)
Convert Many-to-Many ==> Relational Schema (16:41)
Generalization and Specialization to Relational Schema
Convert Associative Entity to Relational Schema (7:20)
How to create Relational Schema on ERDPlus.com? (5:08)
SQL
(revision) What is SQL? (17:51)
SQL - Data Definition Language - DDL
Create Database (7:56)
Create Database IF NOT EXISTS (6:59)
Switch Database (4:42)
Drop Database (2:52)
Drop Database IF EXISTS (3:33)
Create Table (13:53)
SQL DataTypes
Drop Table (2:42)
DDL - Alter Table Statement
Add Column (2:57)
Rename Column (6:12)
Rename a table (3:43)
Modify a column (3:48)
Delete a column (1:41)
Backup & Restore Database
Backup Database (9:26)
Differential Backup (5:40)
Restore Database (3:32)
Data Manipulation Language - DML
Insert Into Statement (17:53)
Update Statement (11:43)
Delete Statement (5:47)
Select Into Statement (6:48)
Insert Into ..Select From Statement (7:27)
Misc 1
Identity Field (Auto Increment) (11:40)
Delete vs Truncate statement. (6:25)
Foreign Key Constraint (17:05)
Hints
Solution To: "Saving changes is not permitted" error (1:26)
SQL - Queries
Restore Sample HR Database and Get Ready . (4:29)
Select Statement (6:37)
Select Distinct Statement (5:35)
Where Statement + AND , OR, NOT (10:33)
"In" Operator (8:55)
Sorting : Order By (7:01)
Select Top Statement (13:45)
Select As (11:27)
Between Operator (1:40)
Count, Sum, Avg, Min, Max Functions (6:00)
Group By (7:46)
Having (8:14)
Like (6:13)
WildCards (7:42)
Joins
Restore Shop Database
(Inner) Join (19:45)
Left (Outer) Join (7:56)
Right (Outer) Join + Full (Outer) Join (9:01)
Views
Views (12:09)
SQL - More Queries
Exists (7:40)
Union (4:34)
Case (6:22)
More about Constraints
Constraints (2:37)
What is Constraint? and Why it's Important? (13:47)
Primary Key Constraint
Foreign Key Constraint
Not Null Constraint
DEFAULT Constraint (11:09)
Check Constraint (7:11)
Unique Constraint (6:28)
SQL Index (18:15)
Normalization
What is Normalization? (8:19)
First Normal Form 1NF (7:06)
Second Normal Form 2NF (6:52)
Third Normal Form 3NF (6:43)
Boyce Codd normal form (BCNF) , 4NF and 5NF
Course Completed
Message
Differences between Data Structure and Database
يجب مراجعة هذا الدرس الذي اخذناه في كورس
Data Structure
Complete and Continue
Discussion
26
comments
Load more
26 comments