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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?

APPEND
INSERT
UPDATE
ADD

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Introduction to SQL
Which SQL keyword is used to retrieve a maximum value?

MOST
MAX
UPPER
TOP

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

1234
456789
6789
2345

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Introduction to SQL
Which of the following is valid SQL for an Index?

REMOVE INDEX ID;
CHANGE INDEX ID;
ADD INDEX ID;
CREATE INDEX ID;

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

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

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Introduction to SQL
The SQL statement: SELECT Name, COUNT(*) FROM NAME_TABLE; counts the number of name rows and displays this total in a table with a single row and a single column.

True
False

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