Test
SQL
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Preguntas del test (57)
1If you want to list all the rows in the tables, you do not need to include the word WHERE in a SQL statement.
- AVerdadero
- BFalso
2SQL has built-in functions, also called aggregate functions, to calculate the number of entries, the sum or average of all entries in a given column, and the largest or smallest of the entries in a given column.
- AVerdadero
- BFalso
3To add records to a table, use the SQL ____ command.
- AADD INTO
- BAPPEND
- CRECORD
- DINSERT INTO
4To create a query that groups all accounts with the same account manager number, include the ____ clause in the SQL command.
- AGROUP BY
- BHAVING
- CGROUP AND SORT
- DARRANGE BY
5To name a computed field, follow the computation with the word ____ and then the name you wish to assign to the field.
- ANAME
- BAS
- CASSIGN
- DGIVING
6When simple criteria are connected by the word OR, all the simple criteria must be true in order for the compound criterion to be true.
- AVerdadero
- BFalso
7When simple criteria are connected by the word AND, all the simple criteria must be true in order for the compound criterion to be true.
- AVerdadero
- BFalso
8You can use a(n) ____ clause with a list as an alternative to an OR criterion when the OR criterion involves a single field.
- AWITHIN
- BLIST
- CIN
- DBETWEEN
9The UNIQUE operator eliminates duplicate values in the results of a query.
- AVerdadero
- BFalso
10A table is in third normal form (3NF) if it is in second normal form and if the only determinants it contains are ____ keys.
- AALTERNATE
- BINDEXED
- CPRIMARY
- DCANDIDATE
11Rows in a table often are called ____.
- ARECORDS
- BATTRIBUTES
- CFIELDS
- DTUPLES
12If you use the word, Order, for the name of a table, you cannot use SQL to query that table.
- AVerdadero
- BFalso
13A table is in third normal form (3NF) if it is second normal form (2NF) and if the only determinants it contains are candidate keys.
- AVerdadero
- BFalso
14To depict the structure of a relational database, you can use a commonly accepted shorthand representation. You write the name of the table and then within ____ list all of the fields in the table.
- ASQUARE BRACKETS []
- BCURLY BRACES {}
- CSLASHES //
- DPARENTHESES ()
15Rows in a table often are called records or ____.
- AATTRIBUTES
- BLINES
- CRELATIONS
- DTUPLES
16A field is a dependent field if it is not part of the primary key.
- AVerdadero
- BFalso
17In designing a database, you must first identify the fields in the database and then the tables.
- AVerdadero
- BFalso
18The most common normal forms are ____.
- A1NF
- B2NF
- C3NF
- D4NF
19To determine the number of customers assigned to a particular account manager, use the ____ aggregate function.
- AAVG
- BTOTAL
- CNUMBER
- DCOUNT
20Use a query to ____ tables; that is, to find records in two tables that have identical values in matching fields.
- ACOMBINE
- BCONCATENATE
- CINTERLEAVE
- DJOIN
21If a criterion involves a text field, the value must be enclosed in curly braces { }.
- AVerdadero
- BFalso
22SQL is a non-standardized language.
- AVerdadero
- BFalso
23To save a query, click the Save button on the ____.
- AHOME TAB ON THE RIBBON
- BCREATE TAB ON THE RIBBON
- CSTATUS BAR
- DQUICK ACCESS TOOLBAR
24If a criterion involves a text field, the value must be enclosed in quotation marks.
- AVerdadero
- BFalso
25The ____ query enables you to send SQL commands directly to ODBC (Open Database Connectivity) databases.
- APASS-THROUGH
- BPROTOTYPE
- CDATA DEFINITION
- DDATA CONTROL
26When simple criteria are connected by the word ____, the compound criterion will be true whenever any of the simple criteria are true.
- ABETWEEN
- BAND
- COR
- DNOT
27To include all fields in a SQL query, use the ____ symbol after the word SELECT
- APOUND #
- BAMPERSAND &
- CPERCENT %
- DASTERISK *
28To view the results of a SQL query, type the SQL statement and then click the ____ button on QUERY TOOLS DESIGN tab to view the results.
- ARESULT
- BVIEW
- CSQL
- DEXECUTE
29Columns in a table often are called fields or ____.
- AATTRIBUTES
- BLINES
- CRELATIONS
- DTUPLES
30Rows in a table often are called ____.
- ARECORDS
- BATTRIBUTES
- CFIELDS
- DTUPLES
31The normalization process involves converting tables into various types of ____.
- ATUPLES
- BRELATIONS
- CNORMAL FORMS
- DDIAGRAMS
32A table that contains a repeating group, or multiple entries for a single row, is called a non-standard table.
- AVerdadero
- BFalso
33In a relational database, each row should be ____.
- AUPDATED
- BUNIQUE
- CNORMALIZED
- DNON-DESCRIPT
34In designing a database, you must first identify the fields in the database and then the tables.
- AVerdadero
- BFalso
35A(n) ____ key is a field in one table whose values are required to match the primary key of another table.
- AALTERNATE
- BFOREIGN
- CCANDIDATE
- DRELATIONAL
36If an account can be offered many workshops and each workshop is offered to many accounts, there is a many-to-many relationship between accounts and workshops.
- AVerdadero
- BFalso
37The determination of database requirements is part of a process known as systems analysis.
- AVerdadero
- BFalso
38A(n) ____ is like a noun: It is a person, place, thing, or event.
- ARECORD
- BTUPLE
- CENTITY
- DATTRIBUTE
39To sort in descending order, follow the name of the sort key with the DESC operator.
- AVerdadero
- BFalso
40SQL is a non-standardized language.
- AVerdadero
- BFalso
41To display a blank window to begin typing SQL commands, click ____ on the View menu in the Query Design window.
- ACOMMAND VIEW
- BSQL COMMANDS
- CBLANK WINDOW
- DSQL VIEW
42SQL has special format rules for placement of terms and capitalization.
- AVerdadero
- BFalso
43To include all fields in a SQL query, use the ____ symbol after the word SELECT.
- APOUND #
- BAMPERSAND &
- CPERCENT %
- DASTERISK *
44If data is to be sorted on two fields, the more important key is called the ____.
- AMAJOR SORT KEY
- BFIRST SORT KEY
- CLEFT SORT KEY
- DPRIMARY SORT KEY
45To use the word NOT in a criterion, follow the criterion with the word NOT.
- AVerdadero
- BFalso
46To create a query that groups all accounts with the same account manager number, include the ____ clause in the SQL command.
- AGROUP BY
- BHAVING
- CGROUP AND SORT
- DARRANGE BY
47To save a query with a new name, display the Save As tab in Backstage view, and click ____ in the File Types area of the Save As gallery.
- ASAVE QUERY AS
- BSAVE
- CSAVE DATABASE AS
- DSAVE OBJECT AS
48When simple criteria are connected by the word ____, all the simple criteria must be true in order for the compound criterion to be true.
- AJOIN
- BAND
- COR
- DNOT
49You can use an entity-relationship diagram (ERD) to diagram a database design.
- AVerdadero
- BFalso
50Columns in a table often are called ____.
- ARECORDS
- BATTRIBUTES
- CFIELDS
- DTUPLES
51A table that contains a repeating group, or multiple entries for a single row, is called a(n) ____ table.
- A1NF
- BUNNORMALIZED
- CREDUNDANT
- DDUPLICATE
52If you use the word, Order, for the name of a table, you cannot use SQL to query that table.
- AVerdadero
- BFalso
53If you have already created a database and relationships in Access, the ____ window and corresponding report provide a helpful diagram of the design.
- AREFERENTIAL INTEGRITY
- BDATABASE TOOLS
- CRELATIONSHIPS
- DERD
54A(n) ____ is a property of an entity.
- ARECORD
- BTUPLE
- CENTITY
- DATTRIBUTE
55In a relational database, the order of the rows and the order of the columns are ____.
- APREDETERMINED
- BCRITICAL
- CIMMATERIAL
- DDISTINCT
56When creating a database, a(n) ____ is represented as a table.
- AENTITY
- BATTRIBUTE
- CDETERMINANT
- DTUPLE
57Any field or collection of fields that determines another field is called a(n) ____.
- AATTRIBUTE
- BANTIPODE
- CDETERMINANT
- DDESCENDENT
Información
- Descripción
- Test sobre SQL, creado por Rocky Ferguson el 28/04/2021.
- Autor
- Rocky Ferguson
- Idioma
- English
- Visitas
- 1
- Valoración
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