What is dynamic sql in pl sql?
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Can a table contain multiple foreign key’s?
Which is better join or subquery?
How to disable a trigger name update_salary?
SELECT category, type, AVG(price) FROM products GROUP BY category, type ORDER BY 1, 2 If there are three distinct categories in the "products" table, and each one has five different types, how many rows are returned by the query above? 1. 1 row 2. 3 rows 3. 5 rows 4. 8 rows 5. 15 rows
What are packages in pl sql and also explain its advantages?
what is data integrity
how to find 5th row ?
what are the advantages of primary key over unique+notnull
7 Answers Consultancy, LGS, Oracle,
How to count the no of records of a table without using COUNT function?
What is crud sql?
What are all the common sql functions?
What is the difference between DELETE, TRUNCATE, and DROP?
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