SQL Proficiency
SQL Proficiency refers to one's ability to use Structured Query Language for manipulating and retrieving database information. This involves creating, implementing, and managing databases, understanding SQL syntax, writing efficient queries, troubleshooting errors, and optimising performance for data-driven decision making.
Level 1: Emerging
At an emerging level, you are beginning to navigate SQL. You've an elementary understanding of SQL syntax, capable of executing basic queries and manipulating small datasets.
Level 2: Proficient
At a proficient level you are able to independently write complex SQL queries, perform data manipulation, and troubleshoot code efficiently. You can optimize queries for better performance and understand advanced SQL concepts.
Level 3: Advanced
At an advanced level, you are able to confidently write complex SQL queries, optimize database performance, and design advanced data models to meet business requirements effectively and efficiently.
