### Q1: What is a simple SQL command that can help identify duplicates in a dataset?  
### Q2: How can a construction company use data analytics to optimize project timelines?  
### Q3: What factors contribute to the complexity of writing SQL queries that join multiple tables for comprehensive data analysis?  
### Q4: In what ways can accurate data cleaning enhance the decision-making process in AEC projects?  
### Q5: How can predictive analysis from past project costs improve the bidding process in the AEC industry?  
### Q6: What are some potential challenges in using data analytics for safety management in construction projects?  
### Q7: How can SQL’s reporting capabilities facilitate effective communication of project performance metrics to stakeholders?  
### Q8: What strategies can be employed to automate SQL reports for regular updates to team members?  
### Q9: How can visualizing SQL query results in tools like Excel improve stakeholder understanding of project budgets?