M Flashcards

1
Q

a characteristic of a relation is that rows may hold identical values

A

False

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2
Q

a characteristic of a relation is that rows may hold single values

A

True

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3
Q

The SQL keyword MODIFY is used to change the structure, properties or constraints of a table.

A

False

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4
Q

The SQL keyword CONSTRAINT is used to define one of five types of constraints.

A

True

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5
Q

The Microsoft Access 2016 application generator provides the ability to create and store forms, reports, and queries.

A

True

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6
Q

most Microsoft access 2016 commands and tools are available on the tabbed ribbon

A

True

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7
Q

Microsoft Access uses the AutoNumber data type to create surrogate keys

A

True

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8
Q

SQL commands can be embedded in an application program

A

True

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9
Q

Business Intelligence (BI) systems typically store their data in data warehouses.

A

True

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10
Q

SQL includes a data definition language, a data manipulation language, and SQL/Persistent stored modules.

A

True

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11
Q

Table names in databases usually follow a certain style

A

False. They can follow any style desired.

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12
Q

In a DB, each table stores data about a different type of thing

A

True

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13
Q

With SQL server, the preferred way to create database structures is with SQL statements

A

True

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14
Q

SQL statements can be submitted to SQL Server from Microsoft SQL Server Management Studio

A

True

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15
Q

The SQL Server GUI program is the Enterprise Manager

A

False. Enterprise Manager is an Oracle program I believe.

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16
Q

Microsoft Access 2016 DBs are stored using the file extension .accdb

A

True

17
Q

Microsoft Access is a personal DB that combines a DBMS with an application generator

A

True

18
Q

Microsoft Access 20– uses the Access 2003 .mdb file format as the default file format for database files.

A

False, regardless of version

19
Q

The SQL CREATE TABLE statement is used to name a new table and describe the table’s columns.

A

True

20
Q

Data values to be added to a table are specified by using the SQL VALUES clause.

A

True

21
Q

Microsoft SQL Server Management Studio can be used to create a new DB

A

True

22
Q

Purpose of a DB is to help keep track of things

A

True

23
Q

In a DB, each table stores data about a different type of thing

A

True

24
Q

Like a spreadsheet, a DB table has rows and columns

A

True

25
Q

The SQL keyword SELECT is used to specify the columns to be listed in the query results

A

True

26
Q

The SQL keyword WHERE is used to specify the table(s) that contain the data to be retrieved

A

False. That’s FROM

27
Q

A relation is a table that has special restrictions on it

A

False

28
Q

All relations are tables, but not all tables are relations

A

True

29
Q

Can users ever enter numbers into an autonumber field in Access?

A

No

30
Q

SQL, although very popular, has never become a national standard.

A

False

31
Q

SQL statements are ended with a colon.

A

False. Semi-colon

32
Q

IMPORTANT The WHERE clause contains the condition that specifies which columns are to be selected. IMPORTANT

A

FALSE.

Columns vs Rows
WHERE affect the rows, it does not affect the columns! Select affects te columns!

33
Q

The clause SELECT COUNT (*) results in a table with a single row and a single column.

A

True

34
Q

he CODASYL DBTG mode structured data relationships as a tree structure

A

False