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A cloud database is a database that typically runs on a cloud computing platform and access to the database is provided as-a-service. There are two common deployment models: users can run databases on the cloud independently, using a virtual machine image, or they can purchase access to a database service, maintained by a cloud database provider.
If the data access layer supports multiple database types, the application becomes able to use whatever databases the DAL can talk to. In either circumstance, having a data access layer provides a centralized location for all calls into the database, and thus makes it easier to port the application to other database systems (assuming that 100% ...
In the field of programming a data transfer object (DTO [1] [2]) is an object that carries data between processes. The motivation for its use is that communication between processes is usually done resorting to remote interfaces (e.g., web services), where each call is an expensive operation. [ 2 ]
SQL was initially developed at IBM by Donald D. Chamberlin and Raymond F. Boyce after learning about the relational model from Edgar F. Codd [12] in the early 1970s. [13] This version, initially called SEQUEL (Structured English Query Language), was designed to manipulate and retrieve data stored in IBM's original quasirelational database management system, System R, which a group at IBM San ...
In 2014, Salesforce acquired RelateIQ, a data company, for $390 million. [99] In 2015, Salesforce acquired multiple companies for undisclosed sums, including Toopher, a mobile authentication company, [100] Tempo, an AI calendar app, [101] and MinHash, an AI platform. [102] The company also acquired SteelBrick, a software company, for $360 ...
Stack Exchange uses IIS, SQL Server, [62] and the ASP.NET framework, [62] 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). [63] Blogs formerly used WordPress, but they have been discontinued. [64] The team also uses Redis, HAProxy and Elasticsearch. [62]
The JDBC classes are contained in the Java package java.sql and javax.sql. Starting with version 3.1, JDBC has been developed under the Java Community Process . JSR 54 specifies JDBC 3.0 (included in J2SE 1.4), JSR 114 specifies the JDBC Rowset additions, and JSR 221 is the specification of JDBC 4.0 (included in Java SE 6).
SQL Injection APEX applications inherently use PL/SQL constructs as the base server-side language and access data via PL/SQL blocks. [ 12 ] An APEX application will use PL/SQL to implement authorization and to conditionally display web page elements.