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A classification of SQL injection attacking vector as of 2010. In computing, SQL injection is a code injection technique used to attack data-driven applications, in which malicious SQL statements are inserted into an entry field for execution (e.g. to dump the database contents to the attacker).
Major DBMSs, including SQLite, [5] MySQL, [6] Oracle, [7] IBM Db2, [8] Microsoft SQL Server [9] and PostgreSQL [10] support prepared statements. Prepared statements are normally executed through a non-SQL binary protocol for efficiency and protection from SQL injection, but with some DBMSs such as MySQL prepared statements are also available using a SQL syntax for debugging purposes.
An SQL injection takes advantage of SQL syntax to inject malicious commands that can read or modify a database or compromise the meaning of the original query. [13] For example, consider a web page that has two text fields which allow users to enter a username and a password.
A common table expression, or CTE, (in SQL) is a temporary named result set, derived from a simple query and defined within the execution scope of a SELECT, INSERT, UPDATE, or DELETE statement. CTEs can be thought of as alternatives to derived tables ( subquery ), views , and inline user-defined functions.
Method Injection, where dependencies are provided to a method only when required for specific functionality. Setter injection, where the client exposes a setter method which accepts the dependency. Interface injection, where the dependency's interface provides an injector method that will inject the dependency into any client passed to it.
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In an open letter, more than 100 Substack creators threatened to leave Substack and implored Substack's leadership to stop giving bigotry a platform. [50] Substack CEO Hamish McKenzie responded to the controversy by confirming that the company will continue to allow the publication of extremist views, saying that attempting to censor them would ...
Stack Exchange uses IIS, SQL Server, [61] and the ASP.NET framework, [61] all from a single code base for every Stack Exchange site (except Area 51, which runs off a fork of the Stack Overflow code base). [62] Blogs formerly used WordPress, but they have been discontinued. [63] The team also uses Redis, HAProxy and Elasticsearch. [61]