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Unique identification of SQL cursor occurrences in a repetitive, nested environment
Unique identification of SQL cursor occurrences in a repetitive, nested environment
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机译:在重复的嵌套环境中对SQL光标出现的唯一标识
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摘要
A cursor query identifier is defined to uniquely identify cursors in a relational database system that supports nested routine invocation. The identifier includes a cursor nesting level value that corresponds to the nested level at which the cursor is opened. The identifier also includes a invocation identifier that corresponds to the routine within which a cursor is opened. The third part of the identifier is a unique cursor counter. The definition of the cursor query identifier permits cursors to be opened within nested levels of the same relational database context and to be uniquely identified for reference by database system and by applications accessing the system.
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