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...

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...

sets Set operations (SQL), type of operation in SQL Fuzzy set operations, a generalization of crisp sets for fuzzy sets Set (disambiguation) Set theory...

Structured Query Language (SQL) (pronounced /ˌɛsˌkjuˈɛl/ S-Q-L; or alternatively as /ˈsiːkwəl/ "sequel") is a domain-specific language used to manage...

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...

Microsoft SQL Server is a proprietary relational database management system developed by Microsoft using Structured Query Language (SQL, often pronounced...

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....

meaning. So the SET operation has always a set or replace semantics. Join in particular: Join (SQL) join (Unix) "E.1. Release 15". PostgreSQL Documentation...

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 condition...

comprises PostgreSQL itself, but there is an extensive developer community and ecosystem that provides other important feature sets that might, traditionally...

duplicates in set operations happens "at a lower level of detail than equality testing in the evaluation of retrieval operations." The SQL standard does...

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...

Support for additional character sets beyond the base requirement for representing SQL statements. New scalar operations such as string concatenation and...

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...

MySQL Workbench is a visual database design tool that integrates SQL development, administration, database design, creation and maintenance into a single...

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...

Many relational database systems are equipped with the option of using SQL (Structured Query Language) for querying and updating the database. The concept...

categories of text: SQL statements PL/SQL blocks SQL Plus internal commands, for example: environment control commands such as SET environment monitoring...

structures can be viewed as set structures with additional operations and/or additional axioms imposed on the standard operations. For example, an abstract...

MySQL (/ˌmaɪˌɛsˌkjuːˈɛl/) is an open-source relational database management system (RDBMS). Its name is a combination of "My", the name of co-founder Michael...

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...

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...

Transact-SQL (T-SQL) is Microsoft's and Sybase's proprietary extension to the SQL (Structured Query Language) used to interact with relational databases...

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...

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...

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...

package, Pervasive.SQL. This has enabled them to support both their Btrieve navigational database engine and an SQL-based engine, Scalable SQL. Current versions...

still using SQL and maintaining the ACID guarantees of a traditional database system. Databases are used to support internal operations of organizations...

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...

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...