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Using DEFAULTYou can use the keyword DEFAULT rather than that of the assignment operator to initialize the variables. For e.g. the declarationblood_type CHAR := ’O’;it can be rewrite as follows:blood_type CHAR DEFAULT ’O’;Use DEFAULT for the variables that have a typical value. Use the assignment operator for the variables (like counters & accumulators) which have no typical value. Some of the examples are shown below:hours_worked INTEGER DEFAULT 40;employee_count INTEGER := 0;You can also use DEFAULT to initialize the cursor parameters, subprogram parameters, and fields in a user-defined record.
Question 1. Update stock levels when the order is cancelled At times, customers make mistakes in submitting their orders and call to cancel the order. Brewbean’s wants to create a
DELETE Statement The DELETE statement eliminates whole rows of data from the specified table or view. Syntax:
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I need to write one function and one procedure to query a Oracle 10.1 DB using PL SQL. I have the schema and exact queries...along with work Ive started and a template to put the a
Use the NOCOPY Compiler Hint By default, the OUT and IN OUT parameters are passed by the value i.e. the value of an IN OUT actual parameter is copied into the corresponding fo
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The SQL ‘CREATE TABLE' scripts for all the tables you have implemented. Note that your tables must correspond exactly to the ERD you have provided in 1. above, or you will lose ma
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