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 include UNION,...
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In computing, SQL injection is a code injection technique used to attack data-driven applications, in which malicious SQL statements are inserted into...
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SQL-92 (also called SQL 2) was the third revision of the SQL database query language. Unlike SQL-89, it was a major revision of the standard. Aside from...
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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...
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fundamental operation on sets Union (SQL), a set operation Union type, in computer science, a type of data structure 1. FC Union Berlin, a German association...
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MySQL (/ˌmaɪˌɛsˌkjuːˈɛl/) is an open-source relational database management system (RDBMS). Its name is a combination of "My", the name of co-founder Michael...
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An SQL INSERT statement adds one or more records to any single table in a relational database. Insert statements have the following form: INSERT INTO...
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In SQL, null or NULL is a special marker used to indicate that a data value does not exist in the database. Introduced by the creator of the relational...
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A join clause in the Structured Query Language (SQL) combines columns from one or more tables into a new table. The operation corresponds to a join operation...
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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...
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The syntax of the SQL programming language is defined and maintained by ISO/IEC SC 32 as part of ISO/IEC 9075. This standard is not freely available....
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A hierarchical query is a type of SQL query that handles hierarchical model data. They are special cases of more general recursive fixpoint queries, which...
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Order by (redirect from Order by (SQL))
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...
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SQL UNION operator. The intersection operator (∩) produces the set of tuples that two relations share in common. Intersection is implemented in SQL in...
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StreamSQL is a query language that extends SQL with the ability to process real-time data streams. SQL is primarily intended for manipulating relations...
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concept exploit code for the SQL Server bug utilised by SQL Slammer, written by David Litchfield, was found in the Honker Union website, it was speculated...
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Language Integrated Query (redirect from LINQ to SQL)
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...
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Relational algebra (section Product and union)
databases, particularly query languages for such databases, chief among which is SQL. Relational databases store tabular data represented as relations. Queries...
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Comparison of relational database management systems (redirect from Comparison of SQL database management systems)
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...
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San Carlos Airport (California) (redirect from SQL Airport)
San Carlos Airport (IATA: SQL, ICAO: KSQL, FAA LID: SQL) is a public airfield located two miles (3.2 km; 1.7 nmi) northeast of San Carlos, California...
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Graph Query Language (redirect from SQL/PGQ Property Graph Query)
standards. GQL is intended to be a declarative database query language, like SQL. The 2019 GQL project proposal states: "Using graph as a fundamental representation...
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PostGIS (category PostgreSQL)
for geographic objects to the PostgreSQL object-relational database. PostGIS follows the Simple Features for SQL specification from the Open Geospatial...
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Attacks and Responding to Emergencies (PREPARE) Act of 2017 (U.S.) Prepare (SQL), SQL workflow Search for "prepare" on Wikipedia. All pages with titles containing...
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union of lines between two varieties In computing: Join (relational algebra), a binary operation on tuples corresponding to the relation join of SQL Join...
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database-independent ABAP statements ("Open SQL") into statements understood by the underlying DBMS ("Native SQL"). The database interface handles all the...
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single-row constraint enforced via ADO (Table-less UNION query in MS Access) Microsoft SQL Server: SQL Server does not require a dummy table. Queries like...
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Database Throughput Unit, see Microsoft Azure SQL Database Delhi Technological University Dominica Trade Union Data Transport Utility (I/Gear) German Dance...
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web-oriented development Oracle SQL Developer, an integrated development environment for working with SQL-based databases Oracle SQL*Plus Worksheet, a component...
140 KB (13,938 words) - 18:39, 28 June 2025
Spanner (database) (category NewSQL)
Spanner is a distributed SQL database management and storage service developed by Google. It provides features such as global transactions, strongly consistent...
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Relational model (section SQL and the relational 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...
30 KB (4,196 words) - 15:00, 15 March 2025