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Course Outline
Introduction to Oracle
- Database architecture
- Relational database model
- Users, schemas, and sessions
- Tools for database interaction
Introduction to the SELECT Statement
- Filtering and selection using the WHERE clause
- Sorting query results
- Data types, operators, and handling NULL values
- Utilizing built-in scalar functions
- Date operations
- Understanding national and regional settings in SQL
Regular Expressions in SQL
- Implementing regular expressions for pattern matching
Analyzing Aggregated Data
- Using grouping functions
- Applying the DISTINCT clause
- GROUP BY and HAVING clauses
Retrieving Data from Multiple Tables
- Inner and outer joins (INNER JOIN, OUTER JOIN)
- ANSI SQL syntax and other join methods (SELF JOIN, NATURAL JOIN)
- Set operators (UNION, UNION ALL, INTERSECT, MINUS)
Subqueries
- Simple subqueries
- Correlated subqueries
- EXISTS and NOT EXISTS operators
- Other types of subqueries
Hierarchical Queries and Sampling
- Constructing hierarchical queries using CONNECT BY PRIOR and START WITH clauses
- Utilizing the SYS_CONNECT_BY_PATH function
- Sampling data with the SAMPLE clause
Data Manipulation (DML)
- INSERT, UPDATE, DELETE statements
- Operations on large datasets (INSERT FIRST, INSERT ALL, MERGE)
Managing Concurrent User Access
- Understanding transactions
- Implementing locks
- Utilizing FLASHBACK technology
Overview of Schema Objects
- Views
- Sequences
- Private and public synonyms
- Indexes
Summary and Next Steps
Requirements
- Basic understanding of databases and familiarity with general computing concepts
Audience
- Database administrators
- Developers
21 Hours
Testimonials (1)
Łukasz's way of leading
Damian - Sygnity
Course - Oracle SQL - advanced
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