Database Engine

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Hamsterdb Embedded Storage 2.0.1 Publishing embedded Database engine

Hamsterdb Embedded Storage is an embedded database engine written in ANSI language. It has variable-length keys and record b+trees. It supports in-memory databases and Mantissa-independent files, database cursors, multiple databases in a file, record number databases, and duplicate keys. Hamsterdb is a very fast and highly configurable embedded database engine. The engine can be compiled and run on UNIX, Linux, Windows and Windows CE platforms ...

Hamsterdb Embedded Storage 2.0.0.RC3 Publishing embedded Database engine

Hamsterdb Embedded Storage is an embedded database engine written in ANSI language. It has variable-length keys and record b+trees. It supports in-memory databases and Mantissa-independent files, database cursors, multiple databases in a file, record number databases, and duplicate keys. Hamsterdb is a very fast and highly configurable embedded database engine. The engine can be compiled and run on UNIX, Linux, Windows and Windows CE platforms ...

OpenLink Virtuoso 6.1.4 Publishing Object relational database engine

OpenLink Virtuoso is an extensible, High-performance sql-200n Standard object http://www.aliyun.com/zixun/aggregation/22.html "> relational database engine. It provides advanced database management for SQL, XML, and RDF. Support virtuoso interactions include: industry standard query Language, protocols, APIs, and various data formats: ODBC, JDBC, DB, Ado.net, XM ...

[Document] a database engine for mass data processing

A database engine for large-scale data processing Wang Yi, Liu Great Wall, Ma Jianqing when data volumes rise from GB to terabytes or even petabytes, high-performance parallel databases can be computationally costly to ensure scalability and fault tolerance. To solve this problem, a parallel database engine flexdb for large-scale data processing is designed. The parallel computing framework of map Reduce is used as the communication layer to dispatch and coordinate the computation and communication of the nodes in the cluster. The experimental results show that the system of FLEXDB ...

Smallsql 0.21 publish a pure Java relational database management system

Smallsql is a pure Java http://www.aliyun.com/zixun/aggregation/22.html "> Relational database Management system compatible with JDBC 3.0 and ANSI SQL 92/99 specifications." It is a small and fast database engine, but does not provide a network interface. Smallsql is a 100%-pure Java DBMS, an embedded relational database for Java desktop applications ...

H2 DB Engine 1.3.167 Publishing database management software

H2 DB EngineH2 is a database management software that is written in Java and is a JDBC API tool for SQL database engine. The software has three modes to choose from: Embedded, server-type, cluster-mode. Also includes browser-based console applications that have a strong security feature that supports disk and in-memory databases and tables. H2 DB Engine 1.3.167 This version of the database event listener can now listen to execution statements. Multiple errors have been repaired ...

H2 DB Engine 1.3.166 Publishing database management software

H2 DB EngineH2 is a database management software that is written in Java and is a JDBC API tool for SQL database engine. The software has three modes to choose from: Embedded, server-type, cluster-mode. Also includes browser-based console applications that have a strong security feature that supports disk and in-memory databases and tables. H2 Database Engine 1.3.166 This version fixes an error that may result in wide columns (columns larger than half of the page size). Soft ...

H2 DB Engine 1.3.165 Publishing database management software

H2 DB EngineH2 is a database management software that is written in Java and is a JDBC API tool for SQL database engine. The software has three modes to choose from: Embedded, server-type, cluster-mode. Also includes browser-based console applications that have a strong security feature that supports disk and in-memory databases and tables. H2 Database Engine 1.3.165 This version improves the CSV tool, and the UPDATE statement now supports limiting the number of changes. With other numbers ...

Hamsterdb Embedded Storage 2.0.0.RC2 Publishing embedded Database engine

Hamsterdb Embedded Storage 2.0.0.rc2 This is the most recent (unstable) 2.0.0 branch version, and the first stable version of the transaction is implemented again. Fixed a few bugs and most of the code was refactored. A c++++ compilation now requires compiling Hamsterdb. Merge all new features and bug fixes 1.1.14 (about to be released). This version cannot be used in a production environment. Will at least wait until a more stable release. Hamsterdb Embedded Storage is ...

H2 DB Engine 1.3.158 Publishing database management software

H2 DB EngineH2 is a database management software. H2 is the JDBC API tool for SQL database engine written in Java. There are three modes to choose from: Embedded, server, cluster mode. Also includes browser-based console applications. Databases have a strong security feature. also supports disk and in-memory databases and tables. The H2 database Engine 1.3.158 version Repairs the problem between CLOB or BLOB data and databases. Compatible with the R programming language ...

Hamsterdb Embedded Storage 1.1.12 released

Hamsterdb Embedded Storage 1.1.12 This version is a 1.1.11 revision to address the cache cleanup problem. They know the problem, but never a successful solution, resulting in memory consumption growth. Now correct memory consumption becomes more stable. Sources, change records, and precompiled Win32 libraries are available for download. Hamsterdb Embedded Storage is an embedded database engine written using the ANSI language. It contains a variable-length key and records ...

Hamsterdb Embedded Storage 1.1.13 released

Hamsterdb Embedded Storage 1.1.13 This release fixes a problem when a performance regression occurs when a transaction is discontinued. During abort, Hamsterdb attempts to re-create the Web page from the transaction log even if they are not modified in the current transaction. This is correct, but unnecessary, will cause performance degradation. The source and precompiled Win32 binaries are available for download. Hamsterdb Embedded Storage is an embedded database engine written using the ANSI language. It contains variable ...

Hypersql 3.9.0 Publish SQL relational database engine

Hypersql is a Java-written sqlhttp://www.aliyun.com/zixun/aggregation/22.html "> relational database engine, its core is completely multi-threaded, supporting two-way locks and MVCC ( Multi-version concurrency control, with almost complete support for ANSI-92 SQL, supports common data types, and the latest version adds support for BLOB and CLOB data, up to 64T of data. At the same time, Hypersql is also a ...

Hamsterdb Embedded Storage 1.1.11 released

Hamsterdb Embedded Storage is an embedded database engine written using the ANSI language. It contains a variable-length key and records b+trees. It supports memory databases and mantissa-independent files, database cursors, multiple databases in one file, "record number" databases and duplicate keys. Hamsterdb is very fast and highly configurable. It compiles and runs on Unix platforms, linux,http://www.aliyun.com/z ...

"Silicon Valley Link" Samsung announces next month to open virtual reality blindfold gear VR

In the daily link to the Silicon Valley, the most fresh information! The "Silicon Valley" here refers to the typical and innovative business representatives abroad. 1. Samsung announces next month to open the virtual reality blindfold Gear VR http://tech.ifeng.com/a/20141113/40866955_0.shtml Beijing Time November 13 News, according to Science and technology blog TechCrunch Report, Samsung unveiled its virtual reality eye patch gear at the beginning of next month at a developer conference in Wednesday.

PHP MySQL to create databases and tables

The database holds one or more tables. Create a Database The CREATE DATABASE statement is used to create a database in MySQL. Syntax CREATE DATABASE database_name In order for PHP to execute the above statement, we must use the mysql_query () function. This function is used to send queries or commands to the MySQL connection. Example In the following example, we create a database named "my_db": ...

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