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2. SQL syntax - Wikipedia

   en.wikipedia.org/wiki/SQL_syntax

   The SQL function EXTRACT can be used for extracting a single field (seconds, for instance) of a datetime or interval value. The current system date / time of the database server can be called by using functions like CURRENT_DATE , CURRENT_TIMESTAMP , LOCALTIME , or LOCALTIMESTAMP .

3. Data control language - Wikipedia

   en.wikipedia.org/wiki/Data_Control_Language

   Data Control Language is one of the logical group in SQL Commands. SQL [ 1 ] is the standard language for relational database management systems. SQL statements are used to perform tasks such as insert data to a database, delete or update data in a database, or retrieve data from a database.

4. Database administration - Wikipedia

   en.wikipedia.org/wiki/Database_administration

   Database administration is the function of managing and maintaining database management systems (DBMS) software. Mainstream DBMS software such as Oracle , IBM Db2 and Microsoft SQL Server need ongoing management.

5. Database administrator - Wikipedia

   en.wikipedia.org/wiki/Database_administrator

   Training for DBAs with accompanying certifications is widely available, offered by database vendors and third parties. Offerings include: [7] IBM Certified Advanced Database Administrator – DB2 10.1 for Linux, Unix and Windows [8] IBM Certified Database Administrator – DB2 10.1 for Linux, Unix, and Windows [8]

6. Microsoft SQL Server - Wikipedia

   en.wikipedia.org/wiki/Microsoft_SQL_Server

   Microsoft SQL Server (Structured Query Language) is a proprietary relational database management system developed by Microsoft.As a database server, it is a software product with the primary function of storing and retrieving data as requested by other software applications—which may run either on the same computer or on another computer across a network (including the Internet).

7. Transact-SQL - Wikipedia

   en.wikipedia.org/wiki/Transact-SQL

   Transact-SQL is central to using Microsoft SQL Server. All applications that communicate with an instance of SQL Server do so by sending Transact-SQL statements to the server, regardless of the user interface of the application. Stored procedures in SQL Server are executable server-side routines. The advantage of stored procedures is the ...

8. Data administration - Wikipedia

   en.wikipedia.org/wiki/Data_administration

   Data administration or data resource management is an organizational function working in the areas of information systems and computer science that plans, organizes, describes and controls data resources. Data resources are usually stored in databases under a database management system or other software such as electronic spreadsheets.

9. List of SQL reserved words - Wikipedia

   en.wikipedia.org/wiki/List_of_SQL_reserved_words

   Reserved words in SQL and related products In SQL:2023 [3] In IBM Db2 13 [4] In Mimer SQL 11.0 [5] In MySQL 8.0 [6] In Oracle Database 23c [7] In PostgreSQL 16 [1] In Microsoft SQL Server 2022 [2]