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What is the cursor in PL SQL?
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数据 语句
Questioner:Lucas Harris 2023-05-05 16:08:46
The most authoritative answer in 2024
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Harper Adams——Studied at the University of Zurich, Lives in Zurich, Switzerland.
A
cursor is a temporary work area created in the system memory when a
SQL statement is executed. A
cursor contains information on a select statement and the rows of data accessed by it. This temporary work area is used to store the data retrieved from the database, and manipulate this data.
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