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The SQL API lets clients create, update and delete containers and items. Items can be queried with a read-only, JSON-friendly SQL dialect. [8] As Cosmos DB embeds a JavaScript engine, the SQL API also enables: Stored procedures. Functions that bundle an arbitrarily complex set of operations and logic into an ACID-compliant transaction. They are ...
This list includes SQL reserved words – aka SQL reserved keywords, [1] [2] as the SQL:2023 specifies and some RDBMSs have added. Reserved words in SQL and related products In SQL:2023 [ 3 ]
Set operations in SQL is a type of operations which allow the results of multiple queries to be combined into a single result set. [ 1 ] Set operators in SQL include UNION , INTERSECT , and EXCEPT , which mathematically correspond to the concepts of union , intersection and set difference .
However, we might be able to conclude from such a relation that a certain set is not a candidate key, because that set does not have the uniqueness property (example {A,D} for r1). Note that the existence of a proper subset of a set that has the uniqueness property cannot in general be used as evidence that the superset is not a candidate key ...
Azure functions are used in serverless computing architectures, where subscribers can execute code as an event-driven Function-as-a-Service without managing the underlying server resources. [45] Customers using Azure functions are billed based on per-second resource consumption and executions.
The POST method can be used for sending partial updates to a resource. The main difference between the POST and PATCH methods is that the POST method can be used only when it is written to support the applications or the applications support its semantics whereas the PATCH method can be used in a generic way and does not require application ...
4. You Hate Being Nickeled and Dimed. Sure, a lot is included in the cost of a cruise, including accommodations, most food, and entertainment. But there's a long list of things that will rack up ...
Simpler SQL functions can get expanded inline into the calling (SQL) query, which saves function call overhead and allows the query optimizer to "see inside" the function. Procedural Language/PostgreSQL ( PL/pgSQL ) (safe), which resembles Oracle's Procedural Language for SQL ( PL/SQL ) procedural language and SQL/Persistent Stored Modules ...