Class 12 Computer science
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Q3/10: Which function would you use to find the highest salary in an Employee table?
Q2/10: Which SQL clause is used to filter records after they have been grouped by the GROUP BY clause?
Q1/10: Which aggregate function is used to return the total number of rows that match a specified criterion?
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Q10/10: Which of the following wildcards matches any number of characters in a LIKE clause?
Q9/10: Which statement is primarily used to extract data from a database?
Q8/10: If an administrator needs to grant or revoke privileges for a specific user, which sublanguage category do these commands fall under?
Q7/10: Assertion (A): VARCHAR is a fixed-length string data type in MySQL. Reason (R): CHAR allocates the exact space declared, regardless of the data size.
Q6/10: Which keyword is used along with the SELECT statement to extract data that matches a specific pattern?
Q5/10: When using the ORDER BY clause in a SELECT query, what is the default sorting order if no keyword is specified?
Q4/10: What is the primary difference between the DELETE and DROP commands in MySQL?
Q3/10: Which of the following constraint ensures that a column cannot have a NULL value and all values must be uniquely identifiable?
Q2/10: What does SQL stand for in the context of relational database management systems?
Q1/10: Which of the following SQL commands is categorized as Data Definition Language (DDL) and is used to create a new database?
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