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Parameter and keyword description - select into statement, PL-SQL Programming

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Parameter and Keyword Description:

select_item:

This select_item is a value returned by the SELECT statement, and then assigned to the equivalent variable or field in the INTO clause.

BULK COLLECT:

The SQL engine is instructed to bulk-bind the output collections before returning them to the PL/SQL engine. The SQL engine bulk-binds all the collections referenced in the INTO list. The equivalent columns should store the scalar (not the composite) values. 

variable_name:

This identifies a formerly declared scalar variable into which a select_item value is fetched. For each and every select_item value returned by the query, there should be a equivalent, type compatible variable in the list.

record_name:

This identifies a user-defined or %ROWTYPE record into which the rows of values are fetched. For each select_item the value returned by the query, there should be a equivalent, type-compatible field in the record.

collection_name:

This identifies a declared collection into which the select_item values are bulk fetched. For each of the select_item, there should be a equivalent, type-compatible collection in the list.

host_array_name:

This identifies an array (stated in the PL/SQL host atmosphere and passed to the PL/SQL as a bind variable) into which the select_item values are bulk fetched. For each of the select_item, there should be an equivalent, type-compatible array in the list. The Host arrays should be prefixed with a colon.

table_reference:

This identifies the table or view that should be accessible when you execute the SELECT statement, and for which you should have SELECT rights.

Subquery:

This is a SELECT statement which provides a set of rows for the processing.

TABLE (subquery2):

The operand of the TABLE is a SELECT statement which returns a single column value, that must be a nested table or a varray cast as a nested table. The Operator TABLE informs the Oracle that the value is a collection, but not a scalar value.

alias:

This is the other (typically short) name for the referenced, table, column or the view.

rest_of_statement:

This is something which can legally follow the FROM clause in the SELECT statement apart from the SAMPLE clause.

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