Skip to main content
Share Your Experience: Take the 2024 Developer Survey


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.

MariaDB Galera Cluster is a synchronous multi-master cluster.
325 questions
For questions about issues arising when multiple users or processes concurrently access or modify shared information in a database system.
324 questions
RMAN is Short for Recovery Manager is an Oracle command line tool for doing backup, restore, and recovery operations. Also tag RMAN questions with the appropriate Oracle version tag.
322 questions
For questions about timestamp data types and/or recording a particular point in time.
318 questions
DDL UNIQUE constraints ensure that the data contained in a column, or a group of columns, is unique among all the rows in the table. The data contained in the column or columns involved is, therefore,…
318 questions
An array is an ordered linear data structure consisting of a collection of elements (values, variables, or references), each identified by one or more indexes. When asking about specific variants of a…
317 questions
For questions about the persistent storage of database data.
315 questions
The process and means of extracting data from a database for use elsewhere.
308 questions
Sharding is the practice of logically dividing or partitioning data, usually using a specific key (referred to as a shard key), and then placing that data on separate hosts (subsequently known as shar…
307 questions
MySQL version 5.1 - please also tag with mysql for search purposes.
301 questions
Questions on how to import into, extract data from, or exchange data between databases in CSV format (plain text using commas to separate values). Rows are typically denoted by newline characters.
298 questions
The use of temporary table objects (not table variables) including semantics, design, performance optimization, and indexing. See also [table-variable].
295 questions
In the context of a database, maintenance describes routine operational tasks around a database system, such as monitoring, tuning and backup procedures.
288 questions
A set of permissions.
288 questions
Data Definition Language; defining database structures but not their contents.
287 questions
Command-Line Utility Program for Oracle
285 questions
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…
284 questions
PostGIS is a database extension for PostgreSQL providing additional spatial types, indexes, functions, and aggregates.
282 questions
PostgreSQL version 9.1
279 questions
An ongong check of various statistics and events, which can be used to spot telltale signs of underlying issues.
278 questions
The set of rules that define the combinations of symbols that are considered to be correctly structured for that language.
278 questions
SQL Server 2000 (major build version 8.00.xxxx). Please also tag sql-server.
275 questions
Data corruption refers to errors in computer data that occur during writing, reading, storage, transmission, or processing, which introduce unintended changes to the original data
275 questions
Python is a powerful and ubiquitous language. When using a Python variant or library (e.g. Pandas, SQLAlchemy, pg8000, psycopg2), please include it in the tags. Questions using this tag should restric…
273 questions
Storing, querying, and indexing spatial data (including geometric and geographic representations).
271 questions
Oracle SQL Developer is a free tool for SQL & PL/SQL development and reporting similar to Quest's Toad or Allround Automations' PL/SQL Developer.
269 questions
pgAdmin is a graphical administration and development tool for PostgreSQL.
269 questions
Refers to the set of SQL Server Management Scripts created and maintained by Ola Hallengren. Questions tagged with this tag should be about how to use the scripts or about how to resolve an issue wit…
264 questions
'Extract, Transform and Load': Data load processing, normally in the context of data warehouse systems.
262 questions
covers the topic of duplicated data and the strategies involved in removing the duplicates, often referred to as deduplication or simply dedupe.
257 questions
Using recursion to solve database problems.
257 questions
For questions about IBM Db2 for Linux, UNIX, and Windows. Please also add the generic [db2] tag.
256 questions
In computing, ODBC (Open Database Connectivity) is a standard C programming language interface for accessing database management systems (DBMS).
256 questions
A sequential journal of database write operations that facilitates robust atomic write operations.
251 questions
PostgreSQL version 9.2
248 questions
3 4
6 7