• 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...
    8 KB (863 words) - 17:19, 20 July 2023
  • Thumbnail for Join (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...
    42 KB (4,777 words) - 15:02, 30 July 2024
  • sets Set operations (SQL), type of operation in SQL Fuzzy set operations, a generalization of crisp sets for fuzzy sets Set (disambiguation) Set theory...
    403 bytes (79 words) - 11:26, 21 May 2023
  • Support for additional character sets beyond the base requirement for representing SQL statements. New scalar operations such as string concatenation and...
    4 KB (415 words) - 18:30, 12 October 2023
  • 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....
    35 KB (3,953 words) - 17:29, 18 September 2024
  • 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...
    33 KB (3,102 words) - 00:52, 12 June 2024
  • Structured Query Language (SQL) (pronounced S-Q-L; historically "sequel") is a domain-specific language used to manage data, especially in a relational...
    40 KB (3,765 words) - 07:06, 2 September 2024
  • Thumbnail for Null (SQL)
    duplicates in set operations happens "at a lower level of detail than equality testing in the evaluation of retrieval operations." The SQL standard does...
    62 KB (7,601 words) - 02:41, 24 July 2024
  • 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...
    29 KB (2,404 words) - 04:02, 19 September 2024
  • 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...
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  • 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...
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  • Microsoft SQL Server (Structured Query Language) is a proprietary relational database management system developed by Microsoft. As a database server,...
    61 KB (7,116 words) - 21:26, 20 August 2024
  • 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...
    12 KB (1,527 words) - 12:00, 27 July 2024
  • 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...
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  • Thumbnail for MySQL Workbench
    MySQL Workbench is a visual database design tool that integrates SQL development, administration, database design, creation and maintenance into a single...
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  • 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...
    43 KB (4,157 words) - 01:48, 15 August 2024
  • Transact-SQL (T-SQL) is Microsoft's and Sybase's proprietary extension to the SQL (Structured Query Language) used to interact with relational databases...
    6 KB (704 words) - 10:07, 8 June 2023
  • Thumbnail for MySQL
    MySQL (/ˌmaɪˌɛsˌkjuːˈɛl/) is an open-source relational database management system (RDBMS). Its name is a combination of "My", the name of co-founder Michael...
    67 KB (6,396 words) - 07:46, 19 September 2024
  • Thumbnail for PostgreSQL
    comprises PostgreSQL itself, but there is an extensive developer community and ecosystem that provides other important feature sets that might, traditionally...
    99 KB (8,578 words) - 16:40, 19 September 2024
  • 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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  • 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...
    5 KB (596 words) - 12:18, 30 April 2024
  • 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...
    31 KB (3,904 words) - 12:19, 7 August 2024
  • 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...
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  • categories of text: SQL statements PL/SQL blocks SQL Plus internal commands, for example: environment control commands such as SET environment monitoring...
    11 KB (1,106 words) - 06:19, 30 August 2024
  • Thumbnail for Cosmos DB
    Cosmos DB (category NoSQL)
    JavaScript engine, the SQL API also enables: Stored procedures. Functions that bundle an arbitrarily complex set of operations and logic into an ACID-compliant...
    18 KB (2,098 words) - 15:41, 5 July 2024
  • 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...
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  • Thumbnail for Boolean data type
    containers (Arrays, Maps, Sets) are considered truthy. Languages such as PHP also use this approach. Booleans appear in SQL when a condition is needed...
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  • online gambling, and in the SoundCloud audio distribution platform. The NoSQL distributed databases Redis, Riak and Cosmos DB have CRDT data types. Concurrent...
    29 KB (3,357 words) - 11:28, 12 August 2024
  • Thumbnail for HSQLDB
    HSQLDB (redirect from HyperSonic SQL)
    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...
    7 KB (613 words) - 14:33, 8 May 2024
  • 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...
    8 KB (889 words) - 17:19, 5 September 2024