SQL Training-Oracle SQL/MYSQL/MSSQL
SQL Training-Oracle SQL/MYSQL/MSSQLThis course is designed to provide a comprehensive introduction to the SQL programming language, which is the standard language for relational database management systems. Whether you’re a beginner with no prior experience in SQL or database management, or a professional looking to refresh your skills, this course is perfect for you.
Key leranings:
By the end of this course, learners will be able to:
- Write effective SQL queries to extract and manipulate data
- Design and create databases using SQL
- Analyze data using SQL
- Troubleshoot common SQL errors and issues
- Apply best practices for writing effective SQL queries
Course Content:
Module1Basics
- Selection of all columns/fields
- Selection of certain columns/fields
- Use of distinct/unique
- Selection of certain rows/records
- Selection of values in a range
- Selection of values matching a pattern mask
- Selection of values within a list
- Treatment of null values
- How to sort and order data
- Selection of calculated and derived values
- How to control column headings in query results
- How to send query results to external files
Module2-Joining Tables
- Principles of joining tables:
- Use of cartesian join
- Use of inner join
- Use of non-equi join
- Use of outer join
Module3-Joining Queries
- Union operator
- Intersect operator
- Except operator
Module4-Simple Functions
- Conversion functions
- Date functions
- Number functions
- Text functions
- Group/summary/aggregate functions
Module5- Sub-Queries
- Principles of sub-queries
- How to filter rows from main query
- Use of nested sub-query
- Use of multi-column sub-query
- Use of correlated sub-query
- Use of sub-query as an inline view and common table expression
- Use of sub-query as a column in main query
Module6-Case Statements
- Principles of case statements
- Use of case statement to derive column values
- Use of nested case statements
- Use of case statements to produce pivot tables
- Use of case statement with sub-queries
Module-7Data Manipulation
- How to insert values into a table
- How to copy values between tables
- How to update values
- How to delete records
- How to change data via views
- Use of transactions
- How to lock rows and tables
Module-8Data Definition
- Principles of a relational database and data normalisation
- Use of primary key and foreign key relationships and constraints
- How to create tables
- How to alter tables
- How to create views
- Use of synonyms
- How to remove tables and views
Prerequisites
None
International student Fess: USD300$
Job Interview Preparation (Soft Skills Questions & Answers)
- Tough Open-Ended Job Interview Questions
- What to Wear for Best Job Interview Attire
- Job Interview Question- What are You Passionate About?
- How to Prepare for a Job Promotion Interview
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