DDL
- Explain the difference between DELETE and TRUNCATE.
- How can you add a new column to an existing table?
- How do you convert a column’s data type in SQL?
- How do you create a new table in SQL?
- How do you create a temporary table in SQL?
- How do you enforce referential integrity in SQL?
- How do you remove a table from a database?
- How do you rename a table in SQL?
- What are constraints in SQL?
- What is a surrogate key?