question In SQL Server what is the purpose of the CROSS JOIN clause

In Oracle, what is the purpose of the XMLType data type?

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

Which SQL Server statement is used to rename a table?

A. RENAME TABLE
B. ALTER TABLE RENAME
C. ALTER TABLE RENAME TO
D. ALTER TABLE RENAME AS

Which Oracle statement is used to remove a table from a database?

A. DELETE TABLE
B. REMOVE TABLE
C. DROP TABLE
D. DELETE FROM TABLE

In SQL Server, what is the purpose of the CONTAINSTABLE function?

A. Perform full-text search
B. Concatenate multiple columns
C. Validate XML structure
D. Generate a sequence of numbers

In SQL Server, what is the purpose of the TRY_CONVERT() function?

A. Concatenate multiple values
B. Convert a value to a different data type and handle errors gracefully
C. Find the average value
D. Validate XML structure

What is the purpose of the SQL LEFT JOIN clause?

A. Retrieve all rows from the left table
B. Retrieve rows that have no matching rows in the right table
C. Combine rows from two or more tables
D. Exclude specified rows

Which SQL function is used to find the length of a string?

A. STRLEN()
B. LEN()
C. LENGTH()
D. STRINGLENGTH()

In MySQL, what is the purpose of the FOREIGN KEY constraint?

A. Ensures unique values in a column
B. Establishes a link between two tables
C. Limits the number of rows returned
D. Sets a default value for a column

Which MySQL statement is used to create a unique constraint on a column?

A. UNIQUE
B. ADD UNIQUE
C. CONSTRAINT UNIQUE
D. CREATE CONSTRAINT

Which SQL Server statement is used to remove all records from a table and reset identity seed?

A. DELETE TABLE
B. REMOVE TABLE
C. TRUNCATE TABLE
D. DROP TABLE

Database MCQS - QUESTION DETAILS

Similar Questions

General

Subject Wise