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Searching and Selecting Data from R/3
Searching and Selecting Data from R/3

...  SE16 to look up tables (if you know the name of the table)  SE11 to look up everything including tables  SE15 to look up data elements that may exist in several tables  Where used can show you programs, other tables, and logical databases where the table is used ...
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HR2213371348

... much more powerful than those mentioned in the SQL standard proposal. They include the same constructs as the predicates in the SQL statements. In addition the existential and the universal quantifier are possible. The calculus used for the integrity constraints is an extension of predicate calculus ...
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Database

A database is an organized collection of data. It is the collection of schemes, tables, queries, reports, views and other objects.The data is typically organized to model aspects of reality in a way that supports processes requiring information, such as modelling the availability of rooms in hotels in a way that supports finding a hotel with vacancies.A database management system (DBMS) is a computer software application that interacts with the user, other applications, and the database itself to capture and analyze data. A general-purpose DBMS is designed to allow the definition, creation, querying, update, and administration of databases. Well-known DBMSs include MySQL, PostgreSQL, Microsoft SQL Server, Oracle, Sybase and IBM DB2. A database is not generally portable across different DBMSs, but different DBMS can interoperate by using standards such as SQL and ODBC or JDBC to allow a single application to work with more than one DBMS. Database management systems are often classified according to the database model that they support; the most popular database systems since the 1980s have all supported the relational model as represented by the SQL language. Sometimes a DBMS is loosely referred to as a 'database'.
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