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Introduction to SQL

Introduction to SQL
Which of the following SQL commands can be used to add data to a database table?

UPDATE
APPEND
ADD
INSERT

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Introduction to SQL
The result of a SQL SELECT statement is a(n) ________ .

file
table
form
report

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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?

SELECT name FROM staffinfo WHERE salary BETWEEN 10000 AND 25000;
None of these
SELECT name FROM staffinfo WHERE salary IN (10000, 25000);
Both A and B

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Introduction to SQL
The command to eliminate a table from a database is:

REMOVE TABLE CUSTOMER;
UPDATE TABLE CUSTOMER;
DROP TABLE CUSTOMER;
DELETE TABLE CUSTOMER;

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Introduction to SQL
Which is the subset of SQL commands used to manipulate Oracle Database structures, including tables?

Both of above
None
Data Definition Language(DDL)
Data Manipulation Language(DML)

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Introduction to SQL
The SQL statementSELECT SUBSTR('abcdefghij', INSTR('123321234', '2', 3, 2), 2) FROM DUAL;prints

gh
ab
bc
23

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