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.

Type to find tags:
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alter an existing table object.
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used to count the number of rows.
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a relational database-as-a-service from Microsoft. This tag is for questions about Azure SQL Database, NOT SQL Server hosted in an Azure VM (use azure-vm).
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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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High-availability technologies mask the effects of hardware or software failure, so that perceived downtime for users and applications is minimized.
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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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the default procedural language for the PostgreSQL database system. Questions about PL/pgSQL should probably be tagged "PostgreSQL" as well.
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a general-purpose, managed, garbage-collected, object-oriented programming language created by Microsoft.
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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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represent missing, unknown or inapplicable data.
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the concept of moving services from one host or node to another in order to provide high availability in a computing system.
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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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an Oracle command line tool for doing backup, restore, and recovery operations.
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Performance tuning done by adjusting database parameters or physical layout of the database.
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Command-Line Utility Program for Oracle
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A commonly used name for Microsoft SQL Server Reporting Services (SSRS), a web based reporting tool bundled with Microsoft SQL Server.
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Can refer to disks in a RAID-1 configuration, or low-latency database replication strategies.
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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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Database administrator
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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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part of MS SQL Server. It's a system database that functions as a storage area for temporary tables, internal objects and row versions.
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A tool that reads and analyses event trace information from a database management system.
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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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An ongong check of various statistics and events, which can be used to spot telltale signs of underlying issues.
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Transferring log records from a source database system to one or more destination systems.
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The conversion of data into a form that cannot be easily understood by unauthorized users.
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a set of rules that determine how data is sorted and compared for comparing characters in a character set.
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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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For questions about the persistent storage of database data.
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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 …
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For questions about issues arising when multiple users or processes concurrently access or modify shared information in a database system.