This course is beneficial for those who want to understand SQL statements; restore and backup functions; selection commands - filtering and ordering; and aggregate commands. You will learn SQL functions such as group by commands; conditional statement; JOINS; subqueries; views and indexes; and string functions. This online course will educate you on mathematical functions; date-time functions; pattern string matching; and data type conversion functions. This course will update you on performance tuning tips and database basics. By the end of the course; you will have some knowledge of SQL statements; Tables and DBMS; types of SQL commands; and PostgreSQL.
At Knowledge Door, we provide a wide range of internationally recognised qualifications to industry standards, developed and supported by teaching and professional experts.
We’re partnered with some of the largest accreditors in the world, so wherever our students go and whatever they want to do, the certificates we provide are fully accepted by the industry.
Our professional qualifications address skills gaps and teach skills and knowledge that bring real value to businesses. But, we aren’t just focused on direct career advancement. We know that learning, no matter what it is, creates a foundation for personal development, so we offer a wide-ranging choice of subjects.
