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Type of operation in SQL
Set operations in SQL is a type of operations which allow the results of multiple queries to be combined into a single result set. Set operators in SQL
Set_operations_(SQL)
Topics referred to by the same term
sets Set operations (SQL), type of operation in SQL Fuzzy set operations, a generalization of crisp sets for fuzzy sets Set (disambiguation) Set theory
Set_operation
SQL clause
Structured Query Language (SQL) combines columns from one or more tables into a new table. The operation corresponds to a join operation in relational algebra
Join_(SQL)
Relational database programming language
Structured Query Language (SQL) (pronounced /ˌɛsˌkjuˈɛl/ S-Q-L; or alternatively as /ˈsiːkwəl/ "sequel") is a domain-specific language used to manage
SQL
Marker used in SQL databases to indicate a value does not exist
duplicates in set operations happens "at a lower level of detail than equality testing in the evaluation of retrieval operations." The SQL standard does
Null_(SQL)
Database stored query result set
that when invoked produce a result set. A view acts as a virtual table. Groff, James R.; Weinberg, Paul N. (1999). SQL: The Complete Reference (PDF). Osborne/McGraw-Hill
View_(SQL)
SQL statement that returns a result set of rows from one or more tables
The SQL SELECT statement returns a result set of rows, from one or more tables. A SELECT statement retrieves zero or more rows from one or more database
Select_(SQL)
1992 edition of the SQL standard
Support for additional character sets beyond the base requirement for representing SQL statements. New scalar operations such as string concatenation and
SQL-92
Set of rules defining correctly structured programs
the SQL specification for the UNION and INTERSECT operators, which do identify nulls with each other. Consequently, these set operations in SQL may produce
SQL_syntax
SQL statement
normally take a query and a set of operations and applies the operations on the matching entry; an example operation is $set, which gives the simple overwriting
Merge_(SQL)
Family of database software by Microsoft
Microsoft SQL Server is a proprietary relational database management system developed by Microsoft using Structured Query Language (SQL, often pronounced
Microsoft_SQL_Server
Free and open-source object relational database management system
comprises PostgreSQL itself, but there is an extensive developer community and ecosystem that provides other important feature sets that might, traditionally
PostgreSQL
Technique used in relational databases
calculus, and the SQL operations based on them, are unable to express directly all desirable operations on hierarchies. The nested set model is a solution
Nested_set_model
Interactive and batch query tool
categories of text: SQL statements PL/SQL blocks SQL Plus internal commands, for example: environment control commands such as SET environment monitoring
SQL_Plus
Database design graphical tool
MySQL Workbench is a visual database design tool that integrates SQL development, administration, database design, creation and maintenance into a single
MySQL_Workbench
SQL database engine software
MySQL (/ˌmaɪˌɛsˌkjuːˈɛl/) is a free and open-source relational database management system (RDBMS). Its name is a combination of "My", the name of co-founder
MySQL
SQL clause
An ORDER BY clause in SQL specifies that a SQL SELECT statement returns a result set with the rows being sorted by the values of one or more columns. The
Order_by
The history of Microsoft SQL Server begins with the first Microsoft SQL Server database product – SQL Server v1.0, a 16-bit relational database for the
History of Microsoft SQL Server
History_of_Microsoft_SQL_Server
SQL statement
An SQL UPDATE statement changes the data of one or more records in a table. Either all the rows can be updated, or a subset may be chosen using a WHERE
Update_(SQL)
1999 edition of the SQL standard
SQL:1999 (also called SQL 3) was the fourth revision of the SQL database query language. It introduced many new features, many of which required clarifications
SQL:1999
Digital database whose organization is based on the relational model of data
product is implemented in SQL as the Cross join operator. The remaining operators proposed by Codd involve special operations specific to relational databases:
Relational_database
SQL statement
In the database structured query language (SQL), the DELETE statement is used to remove one or more rows from a table. A subset may be defined for deletion
Delete_(SQL)
Database systems concept
set (a set of data rows) and perform complex logic on a row by row basis. By using the same mechanics, a SQL procedure can also define a result set and
Cursor_(databases)
Open-source distributed SQL query engine
Trino is an open-source distributed SQL query engine designed to query large data sets distributed over one or more heterogeneous data sources. Trino can
Trino_(SQL_query_engine)
Database code that executes after certain events on a table
official Microsoft documentation. SQL Server DDL triggers can span a single database or an entire instance. For DML operations, inserted and deleted pseudo-tables
Database_trigger
Database management system
system (RDBMS) sharing a common heritage with MySQL, from which it was forked in 2009 by original MySQL developers following Oracle Corporation's acquisition
MariaDB
Query language for property graphs
SQL/PGQ also contains DDL to allow SQL tables to be mapped to a graph view schema object with nodes and edges associated to sets of labels and set of
Graph_Query_Language
Abstract data type for storing distinct values
structures can be viewed as set structures with additional operations and/or additional axioms imposed on the standard operations. For example, an abstract
Set_(abstract_data_type)
Database engine
Hive gives an SQL-like interface to query data stored in various databases and file systems that integrate with Hadoop. Traditional SQL queries must be
Apache_Hive
Database transaction integrity concept
execution of the operations of concurrently executing SQL-transactions that produces the same effect as some serial execution of those same SQL-transactions
Isolation_(database_systems)
Auto-sharding technology for MySQL databases
failure. MySQL Cluster uses automatic sharding (partitioning) to scale out read and write operations on commodity hardware and can be accessed via SQL and Non-SQL
MySQL_Cluster
Data having only values "true" or "false"
In SQL, which uses a three-valued logic for explicit comparisons because of its special treatment of Nulls, the Boolean data type (introduced in SQL:1999)
Boolean_data_type
Database model
in a SQL database schema corresponds to a predicate variable; the contents of a table to a relation; key constraints, other constraints, and SQL queries
Relational_model
API for Java
in J2SE 1.4), JSR 114 specifies the JDBC Rowset additions (for javax.sql.RowSet), and JSR 221 is the specification of JDBC 4.0 (included in Java SE 6)
Java_Database_Connectivity
Instruction set which governs access to a database
Transact-SQL (T-SQL), which is an extension of SQL. Similarly, Oracle uses PL-SQL, which an Oracle-specific SQL extension. However, the standard SQL commands
Data_control_language
Distributed database
create tables to store their application data and perform database operations. A NoSQL table is similar to a relational table with additional properties
Oracle_NoSQL_Database
Standard for geographical data
the SQL/MM versions of these types and operations on them. Direct implementations of Part 2 (SQL/MM) include: MySQL Spatial Extensions. Up to MySQL 5.5
Simple_Features
Theory of relational databases
a_{n}\}} . Note: when implemented in SQL standard the "default projection" returns a multiset instead of a set, and the Π projection to eliminate duplicate
Relational_algebra
Procedural extension for SQL and the Oracle relational database
PL/SQL (Procedural Language for SQL) is Oracle Corporation's procedural extension for SQL and the Oracle relational database. PL/SQL is available in Oracle
PL/SQL
Database management technique
transactions' read operations of several last relevant versions (of each object). Snapshot isolation has been used to criticize the ANSI SQL-92 standard's
Snapshot_isolation
Database using graph structures for queries
better results when set operations are needed. The following is a list of notable graph databases: AQL (ArangoDB Query Language): a SQL-like query language
Graph_database
Organized collection of data in computing
still using SQL and maintaining the ACID guarantees of a traditional database system. Databases are used to support internal operations of organizations
Database
Business application development language
in contrast to the result-set-based processing found in traditional SQL languages. While SQL operations typically act on sets of records, ABL processes
OpenEdge Advanced Business Language
OpenEdge_Advanced_Business_Language
Java-based database engine
SQL Database) is a relational database management system written in Java. It has a JDBC driver and supports a large subset of SQL-92, SQL:2008, SQL:2011
HSQLDB
Concept in database systems
considered. SQL:2003 specifies 5 different referential actions that shall take place in such occurrences: CASCADE RESTRICT NO ACTION SET NULL SET DEFAULT
Foreign_key
Topics referred to by the same term
algebra), a binary operation on tuples corresponding to the relation join of SQL Join (SQL), relational join, a binary operation on SQL and relational database
Join
Concept in software engineering
import java.sql.Connection; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException;
Active_record_pattern
Integration of software development and operations
integration and automation of software development and information technology operations. DevOps encompasses the tasks necessary for software development and can
DevOps
reserved. SQL SQL syntax List of relational database management systems Page listing all reserved words in the SQL standard, from SQL-92 to SQL:2016: Standard
List_of_SQL_reserved_words
Link between a client and database server
databases (such as PostgreSQL) only allow one operation to be performed at a time on each connection. If a request for data (a SQL Select statement) is sent
Database_connection
Defines whether uppercase and lowercase letters are treated as distinct
case-sensitive search. In Oracle SQL, most operations and searches are case-sensitive by default, while in most other DBMSes, SQL searches are case-insensitive
Case_sensitivity
Database of data representing objects in geometric space
functionality is implemented as a set of new functions that can be used in SQL SELECT statements. Several types of operations are specified by the Open Geospatial
Spatial_database
Database software
package, Pervasive.SQL. This has enabled them to support both their Btrieve navigational database engine and an SQL-based engine, Scalable SQL. Current versions
Btrieve
Unicode is new in version 10.0. Note (5): MySQL provides GUI interface through MySQL Workbench. Note (6): OpenEdge SQL database engine uses Referential Integrity
Comparison of relational database management systems
Comparison_of_relational_database_management_systems
Microsoft software
Leaders, Customer Service Operations Microsoft Dynamics 365 Field Service – Field Service Leaders, Field Service Operations Microsoft Dynamics 365 Remote
Microsoft_Dynamics_365
StreamSQL is a query language that extends SQL with the ability to process real-time data streams. SQL is primarily intended for manipulating relations
StreamSQL
and to efficiently execute SQL queries on large volumes of data. The system is organized around a few generic operations providing a general unified
Oracle_Data_Mining
Cloud-based NoSQL database service
JavaScript engine, the SQL API also enables: Stored procedures. Functions that bundle an arbitrarily complex set of operations and logic into an ACID-compliant
Cosmos_DB
Type of data structure
For example, an operation-based CRDT of a single integer might broadcast the operations “+10” or “−20”. The application of operations should still be
Conflict-free replicated data type
Conflict-free_replicated_data_type
Open-source data analytics cluster computing framework
as of Spark 2.0, the strongly typed DataSet is fully supported by Spark SQL as well. import org.apache.spark.sql.{DataFrame, SparkSession} val url: String
Apache_Spark
ODBC, standard interface for accessing database systems
all SQL systems, or a programming interface that left the SQL as plain text until it was called. Dynamic SQL systems became a major focus for SQL vendors
Open_Database_Connectivity
Database management system
a number of SQL databases without resorting to using SQL, including MySQL, SQL Server, and Oracle. This requires installation of the SQL database ODBC
FileMaker
Reduction of data redundancy
sub-language" grounded in first-order logic. An example of such a language is SQL, though it is one that Codd regarded as seriously flawed. The objectives
Database_normalization
Data center monitoring system for operating systems
into Microsoft Operations Manager (MOM) - in 2003, Microsoft began work on the next version of MOM: It was called Microsoft Operations Manager 2005 and
System Center Operations Manager
System_Center_Operations_Manager
Open source object-relational mapping framework
queries, set-theoretic operations, and updates on entities and their relationships. Queries in eSQL, if required, are then translated to the native SQL flavor
Entity_Framework
Topics referred to by the same term
Commit may refer to: Commit (data management), a set of permanent changes in a database COMMIT (SQL), an SQL statement used to create such a changeset Changeset
Commit
Geospatial extension for the PostgreSQL Database
for geographic objects to the PostgreSQL object-relational database. PostGIS follows the Simple Features for SQL specification from the Open Geospatial
PostGIS
Testing of database software systems
white box testing is that SQL statements are not covered. While generating test cases for database testing, the semantics of SQL statement need to be reflected
Database_testing
Microsoft .NET Framework component
extends the language by the addition of query expressions, which are akin to SQL statements, and can be used to conveniently extract and process data from
Language_Integrated_Query
Open-source NoSQL database
source-available, distributed (shared-nothing architecture) multi-model NoSQL document-oriented database software package optimized for interactive applications
Couchbase_Server
OLE DB provide access to the SQL Relational Database Engine (SRDE). Pervasive Direct Access Components (PDAC) are a set of Visual Component Library (VCL)
Actian_Zen
... ] } Cubes provides basic set of operations such as Data drilling and filtering (slicing and dicing). The operations can be accessed either through
Cubes_(OLAP_server)
Cross-platform document-oriented database
source-available, cross-platform, document-oriented database program. Classified as a NoSQL database product, MongoDB uses JSON-like documents (called BSON) with optional
MongoDB
Mathematical operation that combines three elements to produce another element
In some, the operation isn't ternary because it requires a fourth operand to indicate the location where the result will be stored. The SQL expression BETWEEN
Ternary_operation
NewSQL relational distributed database
an open-source NewSQL database that supports Hybrid Transactional and Analytical Processing (HTAP) workloads. Designed to be MySQL compatible, it is developed
TiDB
Return code in the SQL standard
Programs calling a database that conforms to the SQL standard receive an indication of the success or failure of the call. This return code - which is
SQLSTATE
Framework and distributed processing engine
DataSet APIs. The highest-level language supported by Flink is SQL, which is semantically similar to the Table API and represents programs as SQL query
Apache_Flink
Database management system
conforms with the SQL standard "SQL2 intermediate level" (SQL-92) and supports various features of SQL2 follow-on versions (SQL:1999, SQL:2003 etc.). As
Transbase
Type of computer program
categories of NoSQL databases, and the popularity of the term "document-oriented database" has grown alongside the adoption of NoSQL itself. XML databases
Document-oriented_database
Fourth generation programming language
Informix 4GL. Informix-4GL includes embedded SQL, a report writer language, a form language, and a limited set of imperative capabilities (functions, if
Informix-4GL
Array data structure that compactly stores bits
set operations and bit operations, including, unusually, shift operations. Haskell likewise currently lacks standard support for bitwise operations,
Bit_array
Java persistence framework
Java persistence framework that couples objects with stored procedures or SQL statements using an XML descriptor or annotations. MyBatis is free software
MyBatis
Proprietary database management system
1979, it was among the earliest commercially available databases to use SQL. It is commonly used for online transaction processing (OLTP), data warehousing
Oracle_Database
Relational database management system
Windows or Web thin client. Dataphor does not employ SQL as its primary database language since SQL purportedly violates important principles of the relational
Dataphor
Set of software design patterns in a database
interfaces to their transaction logs (for example: Oracle, DB2, SQL/MP, SQL/MX and SQL Server 2008). Other challenges in using transaction logs for change
Change_data_capture
NoSQL database service
Amazon DynamoDB is a managed NoSQL database service provided by Amazon Web Services (AWS). It supports key-value and document data structures and is designed
Amazon_DynamoDB
Microsoft database tool
Microsoft database tool with a set of objects and utilities to allow the automation of extract, transform and load operations to or from a database. The objects
Data_Transformation_Services
Programming language
management system. The database supports SQL, SQL-92 and ksql, a query language with a syntax similar to SQL and designed for column based queries and
K_(programming_language)
Software platform
Information management categories. SQL Bridge is an OPC based Middleware product that bridges the gap between industrial PLCs and SQL Databases. It is a drag and
Ignition_SCADA
Number of nonzero symbols in a string
16-bit binary number a = 0110 1100 1011 1010, these operations can be done: Here, the operations are as in C programming language, so X >> Y means to
Hamming_weight
Computer software
transactions hold locks on the same page, hence it never deadlocks. Virtuoso SQL provides means for exclusive read and for setting transaction isolation.
Virtuoso_Universal_Server
specifically in terms of possible values, possible operations on data of this type, and the behavior of these operations. This contrasts with data structures, which
Glossary_of_computer_science
Chronological record of computer data processing operations
Viewer - SQL Server". learn.microsoft.com. 28 February 2023. "Extended Log File Format". www.w3.org. "The Transaction Log (SQL Server) - SQL Server".
Logging_(computing)
Feature to efficiently execute queries efficiently in DBMS software
many relational database management systems and other databases such as NoSQL and graph databases. The query optimizer attempts to determine the most efficient
Query_optimization
Discontinued MySQL management system
(GTID) feature of MySQL 5.6 So-called super_read_only operation mode for the MySQL server, which disables data modification operations even for privileged
WebScaleSQL
Processing mode
latest improvements in SQL language such as CUBE and ROLLUP operators, DB2 Cube Views, as well as other SQL OLAP extensions. These SQL improvements can mitigate
Online_analytical_processing
System that provides database services specifically for arrays
delete them. Like with, e.g., SQL, expressions of arbitrary complexity can be built on top of a set of core array operations. Due to the extensions made
Array_DBMS
Overview of and topical guide to MySQL
co-founder Michael Widenius's daughter, My. MySQL can be described as all the following: Software – any set of machine-readable instructions that directs
Outline_of_MySQL
Network protocol supporting distributed directory information services
white pages schema. LDAP injection is a computer security attack similar to SQL injection that can occur when an application implementing LDAP fails to properly
Lightweight Directory Access Protocol
Lightweight_Directory_Access_Protocol
Multi-dimensional data structure
Datacube operations include subset extraction, processing, fusion, and in general queries in the spirit of data manipulation languages like SQL. Some years
Data_cube
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