Tables: t1- actor ( AID varchar(8), name  varchar(30), salary numeric(8,2)) t2- movie ( MID  varchar(8), title varchar(50)) primary key MID t3-actor_role (MID varchar(8), rolename varchar(20)) write queries in SQL to answer each of the following questions: (Table: actor  movie  actor_role) 1. Find the average salary of all actors. 2, Find the actor IAN's AID. 3. Find the names of all actors whose name includes the substring 'au'. 4. Find all actor's name who has had a role in movies (remove duplicates). 5. Find the MID of movie 'Life is Beautiful'.

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A: Answer :--  Jan-12-01

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Q: How does the CONCAT_WS function provide advantages over the traditional CONCAT function in SQL?

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Q: the each customer total annual premium and order by the highest total annual premium to the least.…

A: I have written the query below:

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A:

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Q: How does the GROUPING SETS function enhance the flexibility of grouping operations in SQL?

A: Given,How does the GROUPING SETS function enhance the flexibility of grouping operations in SQL?

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A: - We need to write a sql query to get the names, surnames and phone number according to the transfer…

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A: Let's see the answer:

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Q: n sql, an associate array is a table that is associated with a / an

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Q: What are the advantages of using table-valued parameters in SQL functions

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Q: Why might one use the SPLIT function in SQL for string manipulations, and what are its limitations?

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A: Given to write a  PL/SQL PROCEDURE that will list the project names given the course ID. The below…

Q: What is the purpose of cursors in PL/SQL?

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Q: Write the syntax for AUTO_INCREMENT in sql databases.

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Q: Write the SQL code necessary to create the table defined in the picture below:

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Q: What are the performance implications of using the CROSS APPLY operator with user-defined functions…

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