MaxDB by MySQL MaxDB by MySQL is the database backend for MySAP.
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MaxDB by MySQL Description

MaxDB by MySQL is the database backend for MySAP. MaxDB is a heavy-duty, SAP-certified open source database for OLTP and OLAP usage which offers high reliability, availability, scalability and a very comprehensive feature set. MaxDB by MySQL is targetted for large mySAP Business Suite environments and other applications that require maximum enterprise-level database functionality and complements the MySQL database server.Today, about 6,000 customer installations are using MaxDB technology globally, including Toyota, Intel, DaimlerChrysler, Braun-Gillette, Bayer, Colgate, Yamaha, and Deutsche Post (the German Post Office).Here are some key features of "MaxDB by MySQL":· Reduced cost of your SAP implementation· Easy configuration and low administration· Elaborate backup and restore capabilities· Continuous operation, no scheduled downtimes required· Designed for large number of users and high workloads· Scales to database sizes in the terabytes· High availability through cluster and hot-standby support· Synchronization Manager to control enterprise-wide data replication· Easy-to-use graphical database tools· Available for all enterprise HW/OS platforms· Supports all major SAP solutionsHigh performance, availability, operational reliability, scalability, ease of use, and low total cost of ownership are just a few of the demands that enterprise environments place on a DBMS infrastructure. MaxDB helps you meet these demands. It is a powerful, state-of-the-art DBMS built for enterprise usage scenarios.Some other features of MaxDB;Description Maximum ValueDatabase size 32 TB (with 8 KB page size)Number of files/volumes per database 64...4096, specified by a configuration parameterFile/volume size (data) 518 ...8 GB (dependent on operating system limitations)File/volume size (log) 16 TB (dependent on operating system limitations)SQL statement length >= 16 KB (Default value 64 KB, specified by a system variable)Identifier length 32 charactersNumeric precision 38 placesNumber of tables unlimitedNumber of columns per table (with KEY) 1024Number of columns per table (without KEY) 1023Number of primary key columns per table 512Number of columns in an index 16Number of foreign key columns per table 16Number of columns in an ORDER or a GROUP clause 128Number of columns in a SELECT statement 1023Number of columns in an INSERT statement 1024Number of columns in a result table 1023Number of join tables in a SELECT statement 64Number of triggers per Basis table 3Number of indexes per table 255Number of referring CONSTRAINT definitions (foreign key dependencies) per table unlimitedNumber of references per table unlimitedNumber of rows per table limited by database sizeInternal length of a table row 8088 BytesTotal of internal lengths of all primary key columns 1024 BytesTotal of internal lengths of all foreign key columns 1024 BytesTotal of internal lengths of all columns belonging to an index 1024 BytesInternal length of a LONG column 2 GBLength of columns in an ORDER or a GROUP clause 1020 BytesNested trigger levels unlimitedNested subqueries 127Number of join conditions in a WHERE clause of a SELECT statement 128Number of correlated columns in an SQL statement 64Number of correlated tables in an SQL statement 16Number of parameters in an SQL statement 2000What's New in This Release:· This maintenance release features some important bugfixes.

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