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The SET command is used with UPDATE to specify which columns and values that should be updated in a table. The following SQL updates the first customer (CustomerID = 1) with a new ContactName and a new City: Example. UPDATE Customers. SET ContactName = 'Alfred Schmidt', City= 'Frankfurt' WHERE CustomerID = 1;
I would use a table-variable / temp-table; insert the values into this, and join to it. Then you can use the same set multiple times. This works especially well if you are (for example) passing down a CSV of IDs as varchar. As a SQL Server example:
MySQL 9.1 Reference Manual / / Data Types / String Data Types / The SET Type. 13.3.7 The SET Type. A SET is a string object that can have zero or more values, each of which must be chosen from a list of permitted values specified when the table is created. SET column values that consist of multiple set members are specified with members ...
25 Σεπ 2023 · The SQL 'SET' statement is used to modify the values of specified columns in a table. It is commonly used in the UPDATE statement, which updates existing records in a table. General Syntax. SET column1 = value1, column2 = value2,...; SQL 'SET' in UPDATE Statement. The 'SET' command is most frequently used in the UPDATE statement.
SQL set operations combine the results of multiple query blocks into a single result. A query block, sometimes also known as a simple table, is any SQL statement that returns a result set, such as SELECT. MySQL 8.4 also supports TABLE and VALUES statements.
19 Φεβ 2024 · A set operation is one that combines the results of multiple query blocks into one. For example, we could combine the result of two separate SELECT statements. The results are displayed in a single result set as though we’d run a single query.
23 Μαΐ 2024 · There are three primary set operators in SQL: UNION. INTERSECT. EXCEPT (or MINUS in some dialects) These operators mathematically correspond to the concepts of union, intersection, and set difference. Let’s dive into more detail about each.
