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Parameter and Keyword Description:
cursor_variable_name:
This identifies a cursor variable or the parameter formerly declared within the present scope.
host_cursor_variable_name:
This identifies the cursor variable formerly declared in a PL/SQL host atmosphere and passed to the PL/SQL as a bind variable. The host cursor variable datatype is well-suited with the return type of any PL/SQL cursor variable. The Host variables should be prefixed with a colon.
select_statement:
This is a query related with the cursor variable that returns a set of values. The query can reference the bind variables and PL/SQL parameters, variables, and functions but cannot be FOR UPDATE. The syntax of the select_statement is similar to the syntax for the select_into_statement.
Data Types in SQL - Character CHARACTER or, synonymously, CHAR, for character strings. When this type is to be the declared type of something (e.g., a column), the permissible
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Count Operator in SQL Example: Counting the students who have scored more than 50 in some exam (SELECT COUNT (*) FROM (SELECT DISTINCT StudentId FROM EXAM_MARK WHE
Updating Objects: To change the attributes of objects in an object table, you can use the UPDATE statement, as the illustration below shows: BEGIN UPDATE persons p SET p
a. Create a table odetails_new. It has all the attributes of odetails and an additional column called cost, whose values are the product of the quantity and price of the part bein
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Write SQL queries to solve the following specifications. Include the query AND THE OUTPUT. A screen dump of the output is acceptable. Show as many rows as you can. A screen dump i
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