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Required skills for database administrators include knowledge of SQL, database queries, database theory, database design, specific databases, such as Oracle, Microsoft SQL Server, or MySQL, storage technologies, distributed computing architectures, operating systems, routine maintenance, recovery, and replication/failover.
Development DBAs: focus on the logical and development aspects of database administration such as data model design and maintenance, DDL (data definition language) generation, SQL writing and tuning, coding stored procedures, collaborating with developers to help choose the most appropriate DBMS feature/functionality and other pre-production ...
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 ...
Optimized database operations on a RISC/ECL database processor. Used a "distributed function multiprocessor architecture" and included up to 256 MB of "shared high-speed data memory." Supported a variety of clients, including IBM PC DOS , Apple Macintosh , Sun , AT&T 3B series computers systems, Pyramid , DEC VAX , HP 3000 and HP 9000 , and IBM ...
MySQL (/ ˌ m aɪ ˌ ɛ s ˌ k juː ˈ ɛ l /) [6] is an open-source relational database management system (RDBMS). [6] [7] Its name is a combination of "My", the name of co-founder Michael Widenius's daughter My, [1] and "SQL", the acronym for Structured Query Language.
Microsoft SQL Server Master Data Services (MDS) is a Master Data Management (MDM) product from Microsoft that ships as a part of the Microsoft SQL Server relational database management system. [1] Master data management (MDM) allows an organization to discover and define non-transactional lists of data, and compile maintainable, reliable master ...
In discussing Mohan's accomplishments, that award citation [49] says: "He has played a key role in establishing the foundations of database systems, which are at the core of modern information infrastructure, that support modern society. His work is among the lessons taught to students of database systems across the world.
Embarcadero was founded in October 1993 by Stephen Wong, Stuart Browning, and Nigel Myers and released a tool for Sybase database administrators in December of the same year called Rapid SQL. [2] It later added tools for software development on Microsoft Windows and other operating systems , and for database design, development and management ...