
SQL Level 1
30 שעות לימוד
חומרי לימוד באנגליתData Retrieval: SELECT, SELECT DISTINCT, WHERE, TOP, GROUP BY, HAVING, ORDER BY
Data Manipulation: INSERT INTO, UPDATE, DELETE
Filtering & Comparison: LIKE, IN, BETWEEN, IS NULL, AND, OR, NOT
Aggregation: COUNT, AVG, SUM, MIN, MAX
Aliases: Assigning alternative names to columns or tables

SQL Level 2
30 שעות לימוד
חומרי לימוד באנגליתJoining Tables: INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL JOIN, Self Join
Data Retrieval & Manipulation: SELECT, INSERT INTO, UPDATE, DELETE, UNION
Filtering & Logic: WHERE, HAVING, EXISTS, AND, OR, NOT
Data Aggregation & Functions: COUNT, AVG, SUM, MIN, MAX ,Date Functions, Any, All
Data Types & Conversion: Numeric Functions, String Functions

SQL Level 3
50 שעות לימוד
חומרי לימוד באנגליתFundamentals:Introduction, Basic Syntax, Operators & Functions
Data Structures:Collections, Records, Data Types
Control Flow:Conditions & Loops
Database Interactions:Environment & Connections, Cursors & Transactions
Stored Programming:Procedures & Functions, Packages & Triggers
Advanced Concepts:Variables & Constants, Arrays & Object-Oriented Programming, Exceptions & Error Handling, DBMS Output