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Introduction to SQL

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

MOST
UPPER
TOP
MAX

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Introduction to SQL
Which of the following is a valid SQL type?

NUMERIC
FLOAT
All of these
CHARACTER

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Introduction to SQL
________ was adopted as a national standard by ANSI in 1992.

DBase
SQL
Microsoft Access
Oracle

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Introduction to SQL
In SQL, which command is used to change a table's storage characteristics?

ALTER TABLE
CHANGE TABLE
MODIFY TABLE
None of these

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

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

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

bc
23
gh
ab

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