Structured Query Language
What is SQL?
Structured query language (SQL) is a programming language for storing and processing information in a relational database. A relational database stores information in tabular form, with rows and columns representing different data attributes and the various relationships between the data values.
Why is SQL important?
Structured query language (SQL) is a popular query language that is frequently used in all types of applications. Data analysts and developers learn and use SQL because it integrates well with different programming languages. For example, they can embed SQL queries with the Java programming language to build high-performing data processing applications with major SQL database systems such as Oracle or MS SQL Server. SQL is also fairly easy to learn as it uses common English keywords in its statements
Welcome to SQL
Intro to SQL: Querying and managing data | Computer programming | Khan Academy
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Benefits of learning SQL
- BENEFIT 1: SQL is simple to learn. SQL syntax is straightforward and is human readable, meaning even non-programmers can learn it.
- BENEFIT 2 : SQL is fast and lightweight. Large amounts of data can be easily processed in a matter of seconds, allowing for responses to complex queries in no time.
- BENEFIT 3: SQL is an industry standard, approved by ISO and ANSI for use with relational databases and RDBMS.
- BENEFIT 4: SQL is portable, meaning it can be used on PCs that run Windows, Linux, and Mac OS. It can also run on servers and embedded devices, meaning your databases can run in practically any environment or device.