question What is the purpose of the SQL Server DISTINCT keyword

What is the purpose of the SQL Server ISNULL() function?

A. Combine multiple columns
B. Replace NULL values with a specified value
C. Calculate the average value
D. Concatenate multiple rows

Which SQL Server statement is used to add a new row to a table?

A. INSERT INTO
B. ADD ROW
C. NEW ROW
D. CREATE ROW

What is the purpose of the SQL Server CHARINDEX() function?

A. Find the average value
B. Find the length of a string
C. Find the position of a substring in a string
D. Concatenate multiple strings

In SQL Server, what is the purpose of the TRIGGER?

A. Generate a sequence of numbers
B. Execute a set of statements in response to an event
C. Establish a link between two tables
D. Enforce a unique constraint

What is the purpose of the Oracle DBMS_SCHEDULER package?

A. Perform data manipulation tasks
B. Schedule and manage jobs, including PL/SQL blocks and stored procedures
C. Calculate the average value
D. Create database links

What is the purpose of the SQL Server LIMIT clause?

A. Filter rows
B. Sort the result set
C. Limit the number of rows returned
D. Join multiple tables

What is the purpose of the Oracle UTL_FILE package?

A. Perform data manipulation tasks
B. Read and write files on the server's file system
C. Calculate the average value
D. Create triggers

In Oracle, what is the purpose of the BITAND() function?

A. Concatenate multiple values
B. Perform bitwise AND operation on two numbers
C. Calculate the average value
D. Round numeric values

In SQL Server, what is the purpose of the XML data type?

A. Stores XML data
B. Stores binary data
C. Stores integer values
D. Stores a list of values

In Oracle, what is the purpose of the INSTR() function?

A. Concatenate multiple columns
B. Find the length of a string
C. Find the position of a substring in a string
D. Concatenate multiple rows

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