Which of the following SQL query is correct for selecting the name of staffs from 'staffinfo' table where salary is 10,000 or 25,000?

Introduction to SQL
Which of the following SQL query is correct for selecting the name of staffs from 'staffinfo' table where salary is 10,000 or 25,000?

Both A and B

SELECT name FROM staffinfo WHERE salary BETWEEN 10000 AND 25000;

SELECT name FROM staffinfo WHERE salary IN (10000, 25000);

None of these

Both A and B

SELECT name FROM staffinfo WHERE salary BETWEEN 10000 AND 25000;

SELECT name FROM staffinfo WHERE salary IN (10000, 25000);

None of these

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Introduction to SQL
The SQL statementSELECT ROUND(45.926, -1) FROM DUAL;

prints 50

prints garbage

is illegal

prints 045.926

prints 50

prints garbage

is illegal

prints 045.926

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Introduction to SQL
NULL is

the same as blank for character

the same as 0 for integer

not a value

the same as 0 for integer and blank for character

the same as blank for character

the same as 0 for integer

not a value

the same as 0 for integer and blank for character

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Introduction to SQL
SQL is a programming language.

False

True

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Introduction to SQL
The HAVING clause acts like a WHERE clause, but it identifies groups that meet a criterion, rather than rows.

True

False

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Introduction to SQL
The SQL statementSELECT SUBSTR('123456789', INSTR('abcabcabc', 'b'), 4) FROM DUAL;

1234

6789

456789

2345

1234

6789

456789

2345

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Introduction to SQL

Introduction to SQL Which of the following SQL query is correct for selecting the name of staffs from 'staffinfo' table where salary is 10,000 or 25,000?

Introduction to SQL The SQL statementSELECT ROUND(45.926, -1) FROM DUAL;

Introduction to SQL NULL is

Introduction to SQL SQL is a programming language.

Introduction to SQL The HAVING clause acts like a WHERE clause, but it identifies groups that meet a criterion, rather than rows.

Introduction to SQL The SQL statementSELECT SUBSTR('123456789', INSTR('abcabcabc', 'b'), 4) FROM DUAL;

Introduction to SQL
Which of the following SQL query is correct for selecting the name of staffs from 'staffinfo' table where salary is 10,000 or 25,000?

Introduction to SQL
The SQL statementSELECT ROUND(45.926, -1) FROM DUAL;

Introduction to SQL
NULL is

Introduction to SQL
SQL is a programming language.

Introduction to SQL
The HAVING clause acts like a WHERE clause, but it identifies groups that meet a criterion, rather than rows.

Introduction to SQL
The SQL statementSELECT SUBSTR('123456789', INSTR('abcabcabc', 'b'), 4) FROM DUAL;