SQL (.sql)

(6 customer reviews)

356.65

– Manages relational databases efficiently.
– Executes queries to retrieve, insert, update, or delete data.
– Ensures data integrity and relationships (primary keys, foreign keys).

Description

– What it is: Structured Query Language (SQL) is used for managing and manipulating relational databases like MySQL, PostgreSQL, and SQL Server.
– Where it works: Compatible with database management systems (DBMS) like MySQL, PostgreSQL, SQLite, Oracle, and SQL Server.
– Customization: SQL scripts can be written for database schema creation, data manipulation (SELECT, INSERT, UPDATE, DELETE), and performance tuning (indexing, normalization).
– Attachment: Used within applications via database drivers (JDBC, ODBC, SQLAlchemy) and executed by backend services (Node.js, Python, Java, PHP).