Structured Query Language (SQL) is the standard language for interacting with relational databases, enabling efficient data Querying and manipulation. It serves as a common interface for Databases and data lakes.
Features:
- Declarative language for storing and querying structured data.
- Transactional properties enhance speed and efficiency.
Good Practices
Capitalization:
- Use uppercase for SQL keywords for better readability.
- Use lowercase for table and column names.
Quotes:
- Use double quotes for SQL identifiers (table and column names).
- Use single quotes for string values.