question What is the purpose of the SQL Server XML INDEX option

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

In SQL Server, what is the purpose of the LIKE operator?

A. Filter rows based on a condition
B. Sort the result set
C. Combine rows into groups
D. Search for a specified pattern in a column

In Oracle, what is the purpose of the WITH clause?

A. Combine rows from two or more tables
B. Create a temporary result set for use in a SELECT statement
C. Sort the result set
D. Join multiple tables

What is the purpose of the Oracle UNION operator?

A. Combine rows from two or more tables
B. Rotate rows into columns based on values in a specified column
C. Sort the result set
D. Join multiple tables

In SQL Server, what is the purpose of the IDENTITY property?

A. Establish a link between two tables
B. Automatically increments the value of a column
C. Enforce a unique constraint
D. Limit the number of rows returned

Which SQL Server statement is used to add a new column to an existing table?

A. ADD COLUMN
B. MODIFY COLUMN
C. INSERT COLUMN
D. CHANGE COLUMN

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

Which SQL Server function is used to concatenate two or more strings?

A. CONCAT()
B. MERGE()
C. COMBINE()
D. STRING()

Which Oracle data type is used to store large text values?

A. VARCHAR
B. TEXT
C. CLOB
D. CHAR

What is the purpose of the SQL Server INNER JOIN clause?

A. Combines rows from two or more tables
B. Retrieves all rows from a table
C. Retrieves rows that have no matching rows in the other table
D. Excludes specified rows

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