What is the name of the wildcard character that can represent any combination of characters?

AB
Unique Values To eliminate duplicates change the _______ property from Yes to No.
parameter query A _____ is a query that prompts for input whenever it is used.
asterisk A(n) _____ wildcard symbol represents any collection of characters.
question mark A(n) _____ wildcard symbol represents any individual character.
text data _____ is data in a field whose data type is Text.
save as When saving a query, you need to click ______ so it will not save over the previos query.
Run Click the ____ button to see the results of a query.
joinline A _____ is a line that Access draws between matching fields in two tables.
calculated field A field that can be computed from other fields is called a _____.
crosstab A _____ query calculates a statistic for data that is grouped by two different types of information.
grouping _____ means creating groups of records that share some common characteristic.
criterion In a query, a _____ is a condition the records to be included must satisfy.
AND In an _____ criterion, each individual criterion must be true in order for the compound criterion to be true.
wildcards _____ are symbols that represent any character or combination of characters.
query A _____ is simply a question presented in a way that Access can process.

SQL Wildcards


A wildcard character is used to substitute one or more characters in a string.

Wildcard characters are used with the LIKE operator. The LIKE operator is used in a WHERE clause to search for a specified pattern in a column.

Wildcard Characters in MS Access

SymbolDescriptionExample
* Represents zero or more characters bl* finds bl, black, blue, and blob
? Represents a single character h?t finds hot, hat, and hit
[] Represents any single character within the brackets h[oa]t finds hot and hat, but not hit
! Represents any character not in the brackets h[!oa]t finds hit, but not hot and hat
- Represents any single character within the specified range c[a-b]t finds cat and cbt
# Represents any single numeric character 2#5 finds 205, 215, 225, 235, 245, 255, 265, 275, 285, and 295

Wildcard Characters in SQL Server

SymbolDescriptionExample
% Represents zero or more characters bl% finds bl, black, blue, and blob
_ Represents a single character h_t finds hot, hat, and hit
[] Represents any single character within the brackets h[oa]t finds hot and hat, but not hit
^ Represents any character not in the brackets h[^oa]t finds hit, but not hot and hat
- Represents any single character within the specified range c[a-b]t finds cat and cbt

All the wildcards can also be used in combinations!

Here are some examples showing different LIKE operators with '%' and '_' wildcards:

LIKE OperatorDescription
WHERE CustomerName LIKE 'a%' Finds any values that starts with "a"
WHERE CustomerName LIKE '%a' Finds any values that ends with "a"
WHERE CustomerName LIKE '%or%' Finds any values that have "or" in any position
WHERE CustomerName LIKE '_r%' Finds any values that have "r" in the second position
WHERE CustomerName LIKE 'a__%' Finds any values that starts with "a" and are at least 3 characters in length
WHERE ContactName LIKE 'a%o' Finds any values that starts with "a" and ends with "o"

Demo Database

The table below shows the complete "Customers" table from the Northwind sample database:

CustomerIDCustomerNameContactNameAddressCityPostalCodeCountry
1 Alfreds Futterkiste Maria Anders Obere Str. 57 Berlin 12209 Germany
2 Ana Trujillo Emparedados y helados Ana Trujillo Avda. de la Constitución 2222 México D.F. 05021 Mexico
3 Antonio Moreno Taquería Antonio Moreno Mataderos 2312 México D.F. 05023 Mexico
4 Around the Horn Thomas Hardy 120 Hanover Sq. London WA1 1DP UK
5 Berglunds snabbköp Christina Berglund Berguvsvägen 8 Luleå S-958 22 Sweden
6 Blauer See Delikatessen Hanna Moos Forsterstr. 57 Mannheim 68306 Germany
7 Blondel père et fils Frédérique Citeaux 24, place Kléber Strasbourg 67000 France
8 Bólido Comidas preparadas Martín Sommer C/ Araquil, 67 Madrid 28023 Spain
9 Bon app' Laurence Lebihans 12, rue des Bouchers Marseille 13008 France
10 Bottom-Dollar Marketse Elizabeth Lincoln 23 Tsawassen Blvd. Tsawassen T2F 8M4 Canada
11 B's Beverages Victoria Ashworth Fauntleroy Circus London EC2 5NT UK
12 Cactus Comidas para llevar Patricio Simpson Cerrito 333 Buenos Aires 1010 Argentina
13 Centro comercial Moctezuma Francisco Chang Sierras de Granada 9993 México D.F. 05022 Mexico
14 Chop-suey Chinese Yang Wang Hauptstr. 29 Bern 3012 Switzerland
15 Comércio Mineiro Pedro Afonso Av. dos Lusíadas, 23 São Paulo 05432-043 Brazil
16 Consolidated Holdings Elizabeth Brown Berkeley Gardens 12 Brewery London WX1 6LT UK
17 Drachenblut Delikatessend Sven Ottlieb Walserweg 21 Aachen 52066 Germany
18 Du monde entier Janine Labrune 67, rue des Cinquante Otages Nantes 44000 France
19 Eastern Connection Ann Devon 35 King George London WX3 6FW UK
20 Ernst Handel Roland Mendel Kirchgasse 6 Graz 8010 Austria
21 Familia Arquibaldo Aria Cruz Rua Orós, 92 São Paulo 05442-030 Brazil
22 FISSA Fabrica Inter. Salchichas S.A. Diego Roel C/ Moralzarzal, 86 Madrid 28034 Spain
23 Folies gourmandes Martine Rancé 184, chaussée de Tournai Lille 59000 France
24 Folk och fä HB Maria Larsson Åkergatan 24 Bräcke S-844 67 Sweden
25 Frankenversand Peter Franken Berliner Platz 43 München 80805 Germany
26 France restauration Carine Schmitt 54, rue Royale Nantes 44000 France
27 Franchi S.p.A. Paolo Accorti Via Monte Bianco 34 Torino 10100 Italy
28 Furia Bacalhau e Frutos do Mar Lino Rodriguez Jardim das rosas n. 32 Lisboa 1675 Portugal
29 Galería del gastrónomo Eduardo Saavedra Rambla de Cataluña, 23 Barcelona 08022 Spain
30 Godos Cocina Típica José Pedro Freyre C/ Romero, 33 Sevilla 41101 Spain
31 Gourmet Lanchonetes André Fonseca Av. Brasil, 442 Campinas 04876-786 Brazil
32 Great Lakes Food Market Howard Snyder 2732 Baker Blvd. Eugene 97403 USA
33 GROSELLA-Restaurante Manuel Pereira 5ª Ave. Los Palos Grandes Caracas 1081 Venezuela
34 Hanari Carnes Mario Pontes Rua do Paço, 67 Rio de Janeiro 05454-876 Brazil
35 HILARIÓN-Abastos Carlos Hernández Carrera 22 con Ave. Carlos Soublette #8-35 San Cristóbal 5022 Venezuela
36 Hungry Coyote Import Store Yoshi Latimer City Center Plaza 516 Main St. Elgin 97827 USA
37 Hungry Owl All-Night Grocers Patricia McKenna 8 Johnstown Road Cork Ireland
38 Island Trading Helen Bennett Garden House Crowther Way Cowes PO31 7PJ UK
39 Königlich Essen Philip Cramer Maubelstr. 90 Brandenburg 14776 Germany
40 La corne d'abondance Daniel Tonini 67, avenue de l'Europe Versailles 78000 France
41 La maison d'Asie Annette Roulet 1 rue Alsace-Lorraine Toulouse 31000 France
42 Laughing Bacchus Wine Cellars Yoshi Tannamuri 1900 Oak St. Vancouver V3F 2K1 Canada
43 Lazy K Kountry Store John Steel 12 Orchestra Terrace Walla Walla 99362 USA
44 Lehmanns Marktstand Renate Messner Magazinweg 7 Frankfurt a.M. 60528 Germany
45 Let's Stop N Shop Jaime Yorres 87 Polk St. Suite 5 San Francisco 94117 USA
46 LILA-Supermercado Carlos González Carrera 52 con Ave. Bolívar #65-98 Llano Largo Barquisimeto 3508 Venezuela
47 LINO-Delicateses Felipe Izquierdo Ave. 5 de Mayo Porlamar I. de Margarita 4980 Venezuela
48 Lonesome Pine Restaurant Fran Wilson 89 Chiaroscuro Rd. Portland 97219 USA
49 Magazzini Alimentari Riuniti Giovanni Rovelli Via Ludovico il Moro 22 Bergamo 24100 Italy
50 Maison Dewey Catherine Dewey Rue Joseph-Bens 532 Bruxelles B-1180 Belgium
51 Mère Paillarde Jean Fresnière 43 rue St. Laurent Montréal H1J 1C3 Canada
52 Morgenstern Gesundkost Alexander Feuer Heerstr. 22 Leipzig 04179 Germany
53 North/South Simon Crowther South House 300 Queensbridge London SW7 1RZ UK
54 Océano Atlántico Ltda. Yvonne Moncada Ing. Gustavo Moncada 8585 Piso 20-A Buenos Aires 1010 Argentina
55 Old World Delicatessen Rene Phillips 2743 Bering St. Anchorage 99508 USA
56 Ottilies Käseladen Henriette Pfalzheim Mehrheimerstr. 369 Köln 50739 Germany
57 Paris spécialités Marie Bertrand 265, boulevard Charonne Paris 75012 France
58 Pericles Comidas clásicas Guillermo Fernández Calle Dr. Jorge Cash 321 México D.F. 05033 Mexico
59 Piccolo und mehr Georg Pipps Geislweg 14 Salzburg 5020 Austria
60 Princesa Isabel Vinhoss Isabel de Castro Estrada da saúde n. 58 Lisboa 1756 Portugal
61 Que Delícia Bernardo Batista Rua da Panificadora, 12 Rio de Janeiro 02389-673 Brazil
62 Queen Cozinha Lúcia Carvalho Alameda dos Canàrios, 891 São Paulo 05487-020 Brazil
63 QUICK-Stop Horst Kloss Taucherstraße 10 Cunewalde 01307 Germany
64 Rancho grande Sergio Gutiérrez Av. del Libertador 900 Buenos Aires 1010 Argentina
65 Rattlesnake Canyon Grocery Paula Wilson 2817 Milton Dr. Albuquerque 87110 USA
66 Reggiani Caseifici Maurizio Moroni Strada Provinciale 124 Reggio Emilia 42100 Italy
67 Ricardo Adocicados Janete Limeira Av. Copacabana, 267 Rio de Janeiro 02389-890 Brazil
68 Richter Supermarkt Michael Holz Grenzacherweg 237 Genève 1203 Switzerland
69 Romero y tomillo Alejandra Camino Gran Vía, 1 Madrid 28001 Spain
70 Santé Gourmet Jonas Bergulfsen Erling Skakkes gate 78 Stavern 4110 Norway
71 Save-a-lot Markets Jose Pavarotti 187 Suffolk Ln. Boise 83720 USA
72 Seven Seas Imports Hari Kumar 90 Wadhurst Rd. London OX15 4NB UK
73 Simons bistro Jytte Petersen Vinbæltet 34 København 1734 Denmark
74 Spécialités du monde Dominique Perrier 25, rue Lauriston Paris 75016 France
75 Split Rail Beer & Ale Art Braunschweiger P.O. Box 555 Lander 82520 USA
76 Suprêmes délices Pascale Cartrain Boulevard Tirou, 255 Charleroi B-6000 Belgium
77 The Big Cheese Liz Nixon 89 Jefferson Way Suite 2 Portland 97201 USA
78 The Cracker Box Liu Wong 55 Grizzly Peak Rd. Butte 59801 USA
79 Toms Spezialitäten Karin Josephs Luisenstr. 48 Münster 44087 Germany
80 Tortuga Restaurante Miguel Angel Paolino Avda. Azteca 123 México D.F. 05033 Mexico
81 Tradição Hipermercados Anabela Domingues Av. Inês de Castro, 414 São Paulo 05634-030 Brazil
82 Trail's Head Gourmet Provisioners Helvetius Nagy 722 DaVinci Blvd. Kirkland 98034 USA
83 Vaffeljernet Palle Ibsen Smagsløget 45 Århus 8200 Denmark
84 Victuailles en stock Mary Saveley 2, rue du Commerce Lyon 69004 France
85 Vins et alcools Chevalier Paul Henriot 59 rue de l'Abbaye Reims 51100 France
86 Die Wandernde Kuh Rita Müller Adenauerallee 900 Stuttgart 70563 Germany
87 Wartian Herkku Pirkko Koskitalo Torikatu 38 Oulu 90110 Finland
88 Wellington Importadora Paula Parente Rua do Mercado, 12 Resende 08737-363 Brazil
89 White Clover Markets Karl Jablonski 305 - 14th Ave. S. Suite 3B Seattle 98128 USA
90 Wilman Kala Matti Karttunen Keskuskatu 45 Helsinki 21240 Finland
91 Wolski Zbyszek ul. Filtrowa 68 Walla 01-012 Poland



Using the % Wildcard

The following SQL statement selects all customers with a City starting with "ber":

The following SQL statement selects all customers with a City containing the pattern "es": 


Using the _ Wildcard

The following SQL statement selects all customers with a City starting with any character, followed by "ondon":

The following SQL statement selects all customers with a City starting with "L", followed by any character, followed by "n", followed by any character, followed by "on":


Using the [charlist] Wildcard

The following SQL statement selects all customers with a City starting with "b", "s", or "p":

The following SQL statement selects all customers with a City starting with "a", "b", or "c":


Using the [!charlist] Wildcard

The two following SQL statements select all customers with a City NOT starting with "b", "s", or "p":

Or:


Test Yourself With Exercises

Exercise:

Select all records where the second letter of the City is an "a".

SELECT * FROM Customers
WHERE City LIKE '%';

Start the Exercise



Which wildcard character represents any number of characters?

Examples of wildcard characters.

Is the wild card symbol that represents combination of characters?

Alternatively referred to as a wild character or wildcard character, a wildcard is a symbol used to replace or represent one or more characters. The most common wildcards are the asterisk (*), which represents one or more characters, and question mark (?), which represents a single character.

What are the 2 wild card characters?

Wildcard characters in Access represent unknown values. The asterisk “*” and the question mark “?” are the two main wildcard characters in Access you need to know. The asterisk represents multiple unknown characters.

What is wildcards name?

A wildcard is a character used to represent an unspecified resource name or an unspecified part of a resource name. It is used by the VTAM® operator to broaden the scope of a display or to find the name of a resource.