update analysis - significado y definición. Qué es update analysis
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Qué (quién) es update analysis - definición

SQL STATEMENT
UPDATE (SQL); SQL Update; Update sql; Sql update

Update (SQL)         
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.
Windows Server Update Services         
UPDATE DISTRIBUTION SYSTEM FOR WINDOWS
Software Update Services; Windows Software Update Services; WSUS
Windows Server Update Services (WSUS), previously known as Software Update Services (SUS), is a computer program and network service developed by Microsoft Corporation that enables administrators to manage the distribution of updates and hotfixes released for Microsoft products to computers in a corporate environment. WSUS downloads these updates from the Microsoft Update website and then distributes them to computers on a network.
update         
WIKIMEDIA DISAMBIGUATION PAGE
Updates; UPDATE; UPDATES file; Update (disambiguation); Updated; Update (album)
¦ verb ?p'de?t
1. make more modern.
2. give the latest information to.
¦ noun '?pde?t an act of updating or an updated version.
Derivatives
updatable adjective

Wikipedia

Update (SQL)

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.

The UPDATE statement has the following form:

UPDATE table_name SET column_name = value [, column_name = value ...] [WHERE condition]

For the UPDATE to be successful, the user must have data manipulation privileges (UPDATE privilege) on the table or column and the updated value must not conflict with all the applicable constraints (such as primary keys, unique indexes, CHECK constraints, and NOT NULL constraints).

In some databases, such as PostgreSQL, when a FROM clause is present, what essentially happens is that the target table is joined to the tables mentioned in the fromlist, and each output row of the join represents an update operation for the target table. When using FROM, one should ensure that the join produces at most one output row for each row to be modified. In other words, a target row shouldn't join to more than one row from the other table(s). If it does, then only one of the join rows will be used to update the target row, but which one will be used is not readily predictable.

Because of this indeterminacy, referencing other tables only within sub-selects is safer, though often harder to read and slower than using a join.

MySQL does not conform to ANSI standard.