
Master sorting data with the order by clause in SQL Server, ordering by surname, first name, or email, using ascending or descending and multi-column sorts, and converting data types.
Master sql quickly by learning to filter data with the where clause, compare text and numeric fields, and order results using practical examples like gender, name, and salary.
Learn to handle null or empty values in SQL by filtering for missing data and replacing nulls with defaults in select statements, using as for meaningful column aliases.
Master text manipulation in sql with left, right, and substring functions to extract initials, postcodes, and email prefixes from text fields, using char index to locate separators across sql variants.
Learn how to concatenate data columns in SQL Server and Access, including adding spaces, using delimiters, and handling different data types with convert and format functions.
Create a new table with the create table syntax, define fields and data types, and use identity for auto increment in sql server, with notes on access differences.
Learn how to create and use views in SQL Server to pre-compile complex queries, rename columns, join tables, and filter data for efficient, reusable data retrieval.
This SQL training course from Infinite Skills teaches you how to use SQL to manage data that is held in relational databases. This training course is designed for beginners who have no previous experience with SQL of any kind.
You will start by learning how to use SQL (Structured Query Language) to select and filter data from a database, including sorting the data, filtering date columns, and working with null or empty values. The course then teaches you about common SQL functions, such as text manipulation, and how to group and summarize. This video tutorial also covers topics such as joining tables, data modification, and creating new tables and views. Finally, you will learn about the powerful subquery, and the main variances in SQL between database types.
Once you have completed this computer based training course, you will have a fundamental knowledge of what SQL is and how you can apply it to different database types. Working files are included, allowing you to follow along with the author throughout the lessons.