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Create a trigger named Products_INSERT that inserts the current date for the DateAdded column of the Products table if the value for that column is null. Test this trigger with an appropriate INSERT statement.
Write down a SQL insert statement to insert new row in "CDS" table.
Write SQL statements to create the above tables using SQL DDL statements. Write an INSERT statement to add two new records to each table.
Prepare the SQL query for each of given requirements. Convert requirement to logic, then to SQL. Illustrate the names of all products which have been sold.
As DBA, your manager called a meeting and asked why there are so many orders for customers that don't exist in the customer table. Write query which would shows which customers were missing for existing orders. Use a join or a subquery.
Turn this SQL query into a relational algebra statement? SELECT Request.reqfor, Ordering.invamt, Ordering.invnbr, Ordering.invdat
Write an SQL CREATE TABLE statement to create the PET table without referential integrity constraint on OwnerID in PET.
Write SQL statement which creates the stored procedure which adds new record to the Part table, and returns value of newly created PartID PK value in out parameter.
Write SQL commands which would implement this profile. Next, write query that would list profile, profile resource name, and limit value for the new profile.
Create a PL/SQL block to achieve the following using the HR schema and select the name, salary, and department of the employee with the maximum salary.
Write PL/SQL procedures and functions to populate and query that database
What is an SQL injection attack? Explain how it works, and what precautions must be taken to prevent SQL injection attacks.What are two advantages of encrypting data stored in the database?
Create a program that enters first and a second number. The first and second number that will be entered should be computed in halves, quarter, double, and square.
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