Sql Queries

Cursors

The most handy way to connect SQL queries to a host language is with a cursor that runs through the tuples of a relation. This relation can be a stored table, or it can be something that is created by a query. To create and use a cursor, we need the following statements: 1. A cursor declaration. The simplest form of a cursor declaration consists of:

Dynamic SQL

Our model of SQL embedded in a host language has been that of specific SQL queries and commands within a host-language program. An alternative style

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