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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In computing, ODBC (Open Database Connectivity) is a standard C programming language interface for accessing database management systems (DBMS).
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the configuration file for MySQL server, client programs, and utilities.
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MySQL Cluster : MySQL's Distributed Database
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Entity Relationship Diagram
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the practice of logically dividing or partitioning data, usually using a sprecific key (referred to as a shard key), and then placing that data on separate hosts (subsequently known as sha…
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Constructing a query at runtime with string concatenation operations and executing the query from that string.
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Data Definition Language; defining database structures but not their contents.
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a task-based command-line shell and scripting language designed especially for automation of Windows tasks. It has become the defacto CLI for Microsoft products since the its re…
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Database auditing involves observing a database so as to be aware of the actions of database users.
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A set of zero, one or more attributes, the value(s) of which are guaranteed to be unique for each tuple (row) in a relation.
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Database administrator
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'Extract, Transform and Load': Data load processing, normally in the context of data warehouse systems.
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The PIVOT syntax converts row data into columnar data, and vice versa for the UNPIVOT syntax. Not all databases support the PIVOT syntax but the functionality can be implemented, often using decision …
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a free tool for SQL & PL/SQL development and reporting similar to Quest's Toad or Allround Automations' PL/SQL Developer.
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a data infrastructure implementing a framework of geographic data, metadata, users and tools that are interactively connected in order to use spatial data in an …
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A file with contents formatted as comma-separated values.
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Numerical sequence generation for automatic key creation
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Defined like a view but holding persistent data like a table, Materialized Views are a feature of a number of RDBMSs including Oracle, DB2 and postgres. SQL Server has a similar feature called an Inde…
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a Java standard that provides the interface for connecting from Java to relational databases.
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For questions about Microsoft SQL Server Express (except Express LocalDB).
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store transient data.
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An acronym for Common Table Expression. They are temporary, reusable subqueries that may be recursive.
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A database storage unit that groups related logical structures together.
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provides the infrastructure for queue-based asynchronous message communication between databases.
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SQL Cursor : Database Object That Provisions Access to Records in a Database
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About PostgreSQL performance optimization. It is essential to include sufficient information in your question as outlined in the tag info. For simple cases and beginners questions, please ask on http:…
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a function of many relational database management systems. The query optimizer attempts to find an efficient way to execute a given query by considering the possible query plans.
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Microsoft SQL Server's command line utility that allows you execute T-SQL commands from a command prompt.
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The set of rules that define the combinations of symbols that are considered to be correctly structured for that language.
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The processes of creating a point in time copy of data.
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