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...

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

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

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...

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...

data sets. NoSQL systems are also sometimes called "Not only SQL" to emphasize that they may support SQL-like query languages or sit alongside SQL databases...

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

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....

Structured Query Language (SQL) (pronounced S-Q-L; historically "sequel") is a domain-specific language used to manage data, especially in a relational...

Microsoft SQL Server (Structured Query Language) is a proprietary relational database management system developed by Microsoft. As a database server,...

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...

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...

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...

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...

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...

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

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

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...

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...

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...

system in a language like SQL wrapped in a transaction, using a pattern similar to the following: Begin the transaction. Execute a set of data manipulations...

online gambling, and in the SoundCloud audio distribution platform. The NoSQL distributed databases Redis, Riak and Cosmos DB have CRDT data types. Concurrent...

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...

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...

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

opposed to result-set based processing in traditional SQL-based languages. In SQL operations work on a set of records, in the ABL, the operation is applied to...