Structured Query Language (SQL) (pronounced S-Q-L; historically "sequel") is a domain-specific language used to manage data, especially in a relational...
40 KB (3,765 words) - 07:06, 2 September 2024
Microsoft SQL Server (Structured Query Language) is a proprietary relational database management system developed by Microsoft. As a database server,...
61 KB (7,116 words) - 21:26, 20 August 2024
In computing, SQL injection is a code injection technique used to attack data-driven applications, in which malicious SQL statements are inserted into...
41 KB (4,237 words) - 10:19, 17 September 2024
MySQL (/ˌmaɪˌɛsˌkjuːˈɛl/) is an open-source relational database management system (RDBMS). Its name is a combination of "My", the name of co-founder Michael...
67 KB (6,396 words) - 07:46, 19 September 2024
NoSQL (originally referring to "non-SQL" or "non-relational") is an approach to database design that focuses on providing a mechanism for storage and...
29 KB (2,404 words) - 04:02, 19 September 2024
PostgreSQL (/ˌpoʊstɡrɛskjuˈɛl/ POHST-gres-kew-EL) also known as Postgres, is a free and open-source relational database management system (RDBMS) emphasizing...
99 KB (8,578 words) - 16:40, 19 September 2024
The history of Microsoft SQL Server begins with the first Microsoft SQL Server database product – SQL Server v1.0, a 16-bit relational database for the...
43 KB (4,157 words) - 01:48, 15 August 2024
In SQL, null or NULL is a special marker used to indicate that a data value does not exist in the database. Introduced by the creator of the relational...
62 KB (7,601 words) - 02:41, 24 July 2024
PL/SQL (Procedural Language for SQL) is Oracle Corporation's procedural extension for SQL and the Oracle relational database. PL/SQL is available in Oracle...
31 KB (3,904 words) - 12:19, 7 August 2024
per database in SQL Server 2019, SQL Server 2017, SQL Server 2016, SQL Server 2014, SQL Server 2012, and 2008 R2 Express (4 GB for SQL Server 2008 Express...
19 KB (1,370 words) - 00:34, 15 August 2024