A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

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Specifies the type of data being stored (string, date, numeric, etc).
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Category of database management systems characterised by the ability to join two data sets by matching on common fields, using mathematics-based relational logic.
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A catch-all term describing database systems using various non-relational models. Such systems are usually engineered to be high-performance.
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a desktop and server operating system based on Debian GNU/Linux. Note that http://askubuntu.com is specifically dedicated to Ubuntu questions.
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SQL Server Reporting Services, a web based reporting tool produced by Microsoft and bundled with SQL Server.
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A popular open-source embeddable (i.e. non client-server) RDBMS implemented as a C library.
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describe when a `SELECT` statement is used as part of a larger SQL statement. The larger statement may be DML and is always found within brackets or parenthesis.
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SQL Server Analysis Services, an OLAP server bundled with SQL Server by Microsoft since version 7.0
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In the context of a database, maintenance describes routine operational tasks around a database system, such as monitoring, tuning and backup procedures.
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an open source tool written in PHP to handle administration of MySQL over the web. It can perform various tasks such as creating, modifying or deleting databases, tables, fields or rows;…
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Short for 'eXtensible Markup Language.' A textual markup language for transferring structured data.
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MySQL Workbench : MySQL's Open Source GUI for Assisted DB Administration
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A sequential journal of database write operations that facilitates robust atomic write operations.
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A type of replication in SQL Server in which Publishers and Subscribers can work autonomously and later reconnect, synchronize, and merge data changes to achieve convergence among all nodes in the top…
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In the database structured query language (SQL), the DELETE statement removes one or more records from a table.
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The strategy selected by the query optimiser to process a query.
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a web service that makes it easy to set up, operate, and scale a relational database in the cloud.
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an open source RDBMS that is designed to be a "drop-in" replacement for MySQL.
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Upgrade refers to the replacement of a product with a newer version of the same product. - replace (a software program) with a more recently released, enhanced version. - replace (a hardware devic…
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Database restoring refers to the concept of restore a database from a backup or a copy.
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A function performs some specified work, usually taking parameters as input. In terms of databases these may be specific to SQL or to the database vendor.
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The process of identifying the party logging into a system.
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a Windows service installed with the SQL Server Standard Edition and above. It provides an automated way of executing or performing administrative task against a SQL Server instanc…
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A clause used in SQL SELECT statements to sort query results.
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Performance tuning done by adjusting database parameters or physical layout of the database.
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A type of index mostly used in SQL-Server, which aligns the data of a table with the index.
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The process and means of extracting data from a database for use elsewhere.
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GROUP BY : SQL Aggregation for Common Values
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Can refer to disks in a RAID-1 configuration, or low-latency database replication strategies.
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represent missing, unknown or inapplicable data.
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an object-oriented language and runtime environment. Java programs can run unchanged on most platforms in a Virtual Machine called the JVM.
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Command-Line Utility Program for Oracle
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A range of RDBMS and BI products from Sybase Corporation, distantly related to MS SQL Server. Their RDBMS offerings span the full range from an enterprise-grade "big iron" RDBMS down to a lightweight …