Another difference is that SOSL matches fields based on a word match while SOQL performs an exact match by default (when not using wildcards). The Developer Console provides the Query Editor console, which enables you to run SOSL queries and view results. Get Started with SOSL Salesforce Object Search Language (SOSL) is a Salesforce search language that is used to perform text searches in records. The challenge tell to check all record where lastName is equal to to firs string. Use the plus symbol ( + ) to combine fields or to combine a field and some literal text. What Is a SOQL Query? Execute this snippet in the Execute Anonymous window of the Developer Console. The SOSL search results are returned in a list of lists. Hello Mubashir, I'm Still trying to complete the challenge so I still do not have the final answer, nevertheless I noticed that the challenge indicates: Hi, from what I see i would change two things -. The method searches for contacts that have a last name matching the first string and a mailing postal code matching the second. Results are displayed in a Query Results grid, in which you can open, create, update, and delete records. The list declaration looks like this: To assign the results of the query to the new list, we put an assignment operator, the equals symbol ( = ), between the list declaration and the query, like this: List listofContacts = [SELECT FirstName, LastName FROM Contact];Notice the syntax. field 'LastName' can not be filtered in a query call Steps to Create SOQL Apex Class: Log in to Salesforce org Developer Console Ctrl + E Write the code and execute. public static List searchForContacts (string a, string b){ SOQL and SOSL are two separate languages with different syntax. Dynamic SOQL in Apex Apex requires that you surround SOQL and SOSL statements with square brackets to . This is very valuable, especially when you need to solve a problem quickly and do not know where to turn. ha ha.. it's your choice the thing matter is we are able to help you. a = '%' + a + '%'; SOSL injection is a technique by which a user causes your application to execute database methods you did not intend by passing SOSL statements into your code. The list is initialized in line 10. }, SELECT Id, LastName, MailingPostalCode FROM Contact. Next, inspect the debug log to verify that all records are returned. With SOQL, a for loop, and concatenation, you retrieved contact data, assigned the data to a list, iterated through the list, and generated the expected results. At index 1, the list contains the array of contacts. Thank you! You can obtain an instance of an sObject by: Either creating the sObject or by retrieving a persistent record from Salesforce using SOQL. The search query in the Query Editor and the API must be enclosed within curly brackets ({Wingo}). If not specified, the search results contain the IDs of all objects found. Get all jobs: Get a list of all jobs. Likewise, ordering results for one sObject is supported by adding ORDER BY for an object. The number of returned records can be limited to a subset of records. hehe :) Don't worry about it, glad that we could help. It is used to retrieve data from number, data and checkbox fields. If the query generates errors, they are displayed at the bottom of the Query Editor panel. Design programmatic solutions that take . This example limits the returned accounts to 10 only: RETURNING Account(Name, Industry LIMIT 10). As shown above, Phone number and name for standard field of the Account object are extracted. ObjectsAndFields is optional. I mean change the playground and do the module, On Tue, Jun 7, 2022, 10:11 AM maitrinanda2015 ***@***. A SOQL query is the equivalent of a SELECT SQL statement and searches the organisation database. After completing this unit, youll be able to: Before we start writing and executing queries, you need some data in your Salesforce org that we can search for. Salesforce Trailhead - Execute SOQL and SOSL Queries Your Codding Buddy 10K subscribers Subscribe 8.5K views 9 months ago Developer Beginner Trail Solution of Salesforce Trailhead -. Copyright 2000-2022 Salesforce, Inc. All rights reserved. While you were playing with SOQL and SOSL, the Control Engineers whose records you were looking up steered your spaceship out of the asteroids path. Executing SOQL and SOSL Queries. When you use the Query Editor, you need to supply only the SOSL statement without the Apex code that surrounds it. The ? 10. } Hello again - no worries: I sense that you are mixing "lists" and "arrays". //Trailhead Write SOQL Queries unit. For this challenge, you will need to create a class that has a method accepting two strings. I first deleted newurl under transaction security policies, and then deleted the newurlpolicycondition. As shown above the values for IN must be in parenthesis and string values must be added in between single quotes. The Query Editor provides a quick way to inspect the database. SOSL queries can search most text fields on an object. SOQL NOT IN operator is similar to NOT operator. It gets the ID and Name of those contacts and returns them. Same here! Blog: Women Code Heroes: Oh for the Love of For LoopsApex Developer Guide: ClassesApex Developer Guide: Class Methods, Using For Loops to Iterate Through a List, [5]|DEBUG|First Name: Rose, Last Name: Gonzalez, [5]|DEBUG|First Name: Sean, Last Name: Forbes, [5]|DEBUG|First Name: Jack, Last Name: Rogers, [5]|DEBUG|First Name: Pat, Last Name: Stumuller, [5]|DEBUG|First Name: Andy, Last Name: Young, [5]|DEBUG|First Name: Tim, Last Name: Barr. How to know API name for objects and fields. The * wildcard matches zero or more characters at the middle or end of the search term. Write business logic customizations using Apex triggers and classes; those customizations will use SOQL and DML. IN and NOT IN operators are also used for semi-joins and anti-joins. You can also use LIKE or wildcards to narrow down SOQL or SOSL searches. can't write the method. Execute SOQL and SOSL Queries ~15 mins Quick Start: Visual Studio Code for Salesforce Development Set up and integrate the recommended IDE for Salesforce development. First, the variable soslFindClause is assigned the search query, which consists of two terms (Wingo and SFDC) combined by the OR logical operator. Avoid SOQL Queries or DML statements inside FOR Loops to avoid Salesforce governor limits. Clone with Git or checkout with SVN using the repositorys web address. Trailhead. Instead, we create a variable to represent list items within the loop, one at a time. Use SOSL to search fields across multiple objects. SOQL and SOSL Queries You can evaluate Salesforce Object Query Language (SOQL) or Salesforce Object Search Language (SOSL) statements on-the-fly in Apex by surrounding the statement in square brackets. Execute SOSL queries by using the Query Editor in the Developer Console. Trailhead Write SOSL Queries Unit. SOSL is similar to Apache Lucene. Phone fields that end with -1212 are matched because 1212 is considered a word when delimited by the dash. List contsList = new List{[SELECT Id, Name FROM Contact WHERE Name = :a AND MailingPostalCode = :b]}; List contsList = new List(); contsList = [SELECT Id, Name FROM Contact WHERE Name = :a AND MailingPostalCode = :b]; return [SELECT Id, Name FROM Contact WHERE Name = :a AND MailingPostalCode = :b]. The results display the details of the contacts who work in the Specialty Crisis Management department. I am attempting to complete the Execute SOQL and SOSL Queries in the Developer Console Basics module and the challenge is creating logs that have nothing to do with the SOSL inline query that is requested. It returns records with fields containing the word Wingo or records with fields containing the word Man. I tried with a different developer org, and I was able to complete the challenge and earn the badge. Search terms can be grouped with logical operators (AND, OR) and parentheses. For SOSL search results with multiple objects, each object is displayed on a separate tab. Copy the following code, paste it, and execute it. Before getting started with writing our first SOQL statements we need to install Force.com Explorer. Salesforce Trailhead - Apex - Write SOQL Queries Challenge Salesforce Training Tutorials 27.3K subscribers Join Subscribe Save 29K views 2 years ago Salesforce Trailhead - Developer. Solution of Salesforce Trailhead - Execute SOQL and SOSL QueriesThis trailhead is a part of Developer Console Basics Module.Watch the full solution of the Developer Console Basics Module - https://www.youtube.com/playlist?list=PLGkn1yRJPEub0NqGSe0BBzeVH_vpvhkqWDeveloper Console Basics Module is a part of Developer Beginner Trail.Watch the full solution of the Developer Beginner Trail - https://www.youtube.com/playlist?list=PLGkn1yRJPEuZNjIlBW10eLe3QR4NgrxCnExecute SOQL and SOSL Queries Trailhead Link - https://trailhead.salesforce.com/content/learn/modules/developer_console/developer_console_queries?trail_id=force_com_dev_beginnerDeveloper Console Basics Module Link - https://trailhead.salesforce.com/content/learn/modules/developer_console?trail_id=force_com_dev_beginnerDeveloper Console Basics Module is a part of Developer Beginner Trail.Developer Beginner Trail Link - https://trailhead.salesforce.com/en/content/learn/trails/force_com_dev_beginner public static List searchForContacts (String lastName, String postalCode){ As shown in above example, we fetching custom fields in the Standard Object. As you did with the SOQL queries, you can execute SOSL searches within Apex code. (You did some concatenating in Apex Basics for Admins.). This is the 100 percent correct code Use SOSL to search fields across multiple standard and custom object records in Salesforce. It can be any name you choose, but lets keep it simple. In this case, the list has two elements. To rerun a query, click Refresh Grid in the Query Results panel. It is the scope of the fields to search. For example, searching for Customer, customer, or CUSTOMER all return the same results. List Contacts = [select Id, Name from Contact where LastName = :lastName and MailingPostalCode = :postalCode]; So if you need to retrieve more than 2,000 records, SOQL is the better choice. Search for an answer or ask a question of the zone or Customer Support. From above SOQL query, the preceding query will return all users where the firstname name equals to 'adarsh' and 'Prasanth'. Execute SOQL and SOSL Queries challenge error I am attempting to complete the Execute SOQL and SOSL Queries in the Developer Console Basics module and the challenge is creating logs that have nothing to do with the SOSL inline query that is requested. This search returns all records whose fields contain the word 1212. The output should look like: After the value for the fullName variable (data type: String) is assigned, we plug that variable into the debug statement on the next line: Now that we have a class, a method, and a SOQL query ready to go, lets run the code and see if it works. SOQL Statement. It turns out that commanding a spaceship isnt so hard after all: You just need to have a good console, and to learn to delegate! For testing purposes, we send the list of contacts to the Debug log so we can see how the code is working. To retrieve a record, use Salesforce Object Query Language (SOQL) Relationship between sObjects and Salesforce records: Every record in Salesforce is natively represented as an sObject in Apex. SOSL can also use a word match to match fields, while SOQL needs the exact phrase. In the Developer Console Query Editor, the History pane displays your last 10 queries for quick reuse. Avoid SOQL inside FOR Loops. If you want to query tooling entities instead of data entities, select Use Tooling API. Salesforce Object Search Language (SOSL) is a Salesforce search language that is used to perform text searches in records. Worked in querying Salesforce.com databases using SOQL and SOSL for various data fetching and manipulation needs of the application using platform database objects with consideration to Governor Limits. With the knowledge of the various functions and features of the Developer Console, you can steer your org through many missions with success. How to Enable Developing Mode in Salesforce? Get hands-on with step-by-step instructions, the fun way to learn. This operator is used to specify multiple values in the WHERE clause for non matching and filtering records. field 'LastName' can not be filtered in a query call, public class ContactSearch { Enter a SOQL query or SOSL search in the Query Editor panel. Instantly share code, notes, and snippets. ERROR at Row:2:Column:37 Text searches are case-insensitive. I tried the first solution proposed in this page + System.debug(contact.LastName +'. =:MailingPostalCode]; For example, refer to the FirstName field of a Contact object in the listOfContacts list by putting a period (the dot in dot-notation) between con (the object variable) and FirstName (the field), like this: The list contains separate first and last name fields. You can use another SOQL query to find contacts in other departments, or to see whether anyone else has created records for more Control Engineers. **** commented on this gist. To review, open the file in an editor that reveals hidden Unicode characters. SOQL Statements SOQL statements evaluate to a list of sObjects, a single sObject, or an Integer for count method queries. ; View Query Results: Results are displayed in a Query Results grid, in which you can open, create, update, and delete records.For SOSL search results with multiple objects, each . It gets the ID and Name of those contacts and returns them. To declare a for loop, we need a variable name, its data type, and the name of the list the loop iterates through. I am having the same issue with the challenge. In our upcoming SOQL tutorials, we learn about relationship between custom objects in SOQL. Search for fields across multiple objects using SOSL queries. I am having the same issue. In contrast, in Apex the search query is enclosed within single quotes ('Wingo'). The Apex class must be called ContactSearch and be in the public scope, The Apex class must have a public static method called searchForContacts, The method must accept two incoming strings as parameters, The method should then find any contact that has a last name matching the first string, and mailing postal code, (API name: MailingPostalCode) matching the second string, The method should finally return a list of Contact records of type List that includes the ID and Name fields. Worked with Dynamic Apex to access S-Objects and field describe information, execute dynamic SOQL, SOSL and DML queries. Instantly share code, notes, and snippets. Enter the following query in the Query Editor tab. Our query is pretty simple: SELECT FirstName, LastName FROM Contact. Write an Inline SOSL Search to Return Database Values Now that you've successfully avoided collision with asteroid 2014 QO441,. Not sure why. This is an example of a SOSL query that searches for accounts and contacts that have any fields with the word 'SFDC'. ------------------------------ In this Salesforce Object Query language SOQL tutorial, we are going to learn about IN operator in SOQL statements and why we use IN operator in WHERE clause. Reply to this email directly, view it on GitHub Dont forget to include spaces at the beginning and end of literal text where needed. The SOSL query returns records that have fields whose values match Wingo. field 'Name' can not be filtered in a query call, i am getting the above error what i have to do Execute a SOQL Query or SOSL Search. Program#1 Example: list<Levis__c > ListOfJean = new list<Levis__c > (); ListOfJean = [SELECT Price__c FROM Levis__c WHERE Price__c > 1000]; system.debug ('The Result ='+ ListOfJean); OUTPUT: To run Apex code in the Execute Anonymous window, we specify the class and method using dot-notation. SOQL is used to count the number of records that meets the evaluation criteria. Let's explore how to run a SOQL query and manipulate its results in Apex. This operator retrieve the data if the values does not equal to any of the specified values in a WHERE clause. :( Below is my code snippet from the Execute Anonymous Window. SOQL is syntactically similar to SQL (Structured Query Language). Unlike SOQL, SOSL can query multiple types of objects at the same time. You can filter SOSL results by adding conditions in the WHERE clause for an object. SOQL query syntax consists of a required SELECT statement followed by one or more optional clauses, such as TYPEOF, WHERE, WITH, GROUP BY, and ORDER BY. It is a good way to test your SOSL queries before adding them to your Apex code. Reply to this email directly, view it on GitHub SOQL relationship queries(Parent to child, Child to Parent). How to know API name for objects and fields. The method searches for contacts that have a last name matching the first string and a mailing postal code matching the second. If a query finds no results, it still returns a list, but the list is empty: When our code runs, first, it processes the query: The query finds all Contacts and gets the first name and last name from each record. For this challenge, you will need to create a class that has a method accepting two strings. I just did the same with a different dev org and was able to complete the challenge. Get personalized recommendations for your career goals, Practice your skills with hands-on challenges and quizzes, Track and share your progress with employers, Connect to mentorship and career opportunities. After the code has executed, open the log. Search for an answer or ask a question of the zone or Customer Support. When you connect it will be added to the drop down list of orgs that is shown in the "Launch" button above the challenges descriptions. //The method searches for contacts that have a last name matching the first string and a mailing postal code matching the second. This table lists various example search strings and the SOSL search results. When SOSL is embedded in Apex, it is referred to as. We can also use third party tools to write and execute queries in Salesforce.com. All together, it looks like this: Weve queried the database (1), selected data, stored the data in a list (2), and created a for loop (3). Now that you have avoided a collision with asteroid 2014 QO441, you decide to land at the Neptune Space Station to take a well-deserved break. https://studentshare.org/capstone-project. . b. Execute the query, and then observe the results in the Search Results pane. This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. First, for every item in the listOfContacts list, we combine the FirstName and LastName in a new variable named fullname: Notice the space between FirstName and LastName. For example, this results in only accounts whose industry is Apparel to be returned: RETURNING Account(Name, Industry WHERE Industry='Apparel'). As shown above, the result will not contain any user which equals to Prasanth. Like SOQL, SOSL allows you to search your organizations records for specific information. wildcard matches only one character at the middle or end of the search term. return conList; Super. Use SOSL to search fields across multiple standard and custom object records in Salesforce. SOQL and SOSL queries are case-insensitive like Salesforce Apex. Copyright 2000-2022 Salesforce, Inc. All rights reserved. Create a Hello World Lightning Web Component Unit | Salesforce Execute SOQL and SOSL Queries Unit | Salesforce Trailhead Execute SOQL and SOSL Queries Unit CONTACT | Salesforce Trailhead salesforce @powercod35 trailheadapps/ebikes-lwc: Sample application for Lightning Web Components and Communities on Salesforce Platform. List conList = [SELECT LastName, MailingPostalCode FROM Contact WHERE LastName =:LastName AND MailingPostalCode In a for loop, we dont refer to specific objects directly. In this Salesforce developer tutorial, we have learned about SOQL IN operator and SOQL NOT IN operator. Well use con. Here, using a for loop, we combine the first and last name of each contact to form the contacts full name. Learn more about bidirectional Unicode characters. The method searches for contacts that have a last name matching the first string and a mailing postal code matching the second. I have executed the following code in the Execute anonymous window and the challenge still does not show as completed. SOQL Queries using HAVING, NOT IN, LIKE etc. The Execution Log lists the names of the Control Engineers. Because SOSL queries can return multiple sObjects, those filters are applied within each sObject inside the RETURNING clause. In this unit, you used the Execute Anonymous window to run a query and send the results to the debug log. ^ System.debug(conList); No new environment needed. Execute SOSL search query: Execute the specified SOSL search qyery. Each language has a distinct use case: Some queries in this unit expect the org to have accounts and contacts. As a refresher, when you concatenate, field data is represented as object.field. This time, lets also try ordering the results alphabetically by name. The first six rows of your results should be: Look at that! As shown in above SOQL statement,Student__c is a custom object where State__c and College__c are custom fields. As you learned in Apex Basics for Admins, to declare a list you need a few things: the List reserved word, the data type (in < > characters), and a name for the new list. Why the below code is not passing the challenge? ***@***. In this unit, you used the Execute Anonymous window to run a query and send the results to the debug log. www.tutorialkart.com - Copyright - TutorialKart 2023. I had one that was titled "newurl" tied to "newurlpolicycondition". Otherwise, you can skip creating the sample data in this section. Describe the differences between SOSL and SOQL. ERROR at Row:1:Column:36 You can use SOQL to read information stored in your orgs database. Salesforce Object query language (SOQL) is used in the queryString parameter in the query ( ) call. In Salesforce Apex coding, the API names of the object are required in SOQL. Execute SOQL and SOSL Queries Learning Objectives After completing this unit, you'll be able to: Execute a SOQL query using the Query Editor or in Apex code. First, lets create the loop, then well process each record within the loop. . #1 Salesforce Training Tutorialshttps://www.sown.ioPromote Your Salesforce App on This Channel:https://youtu.be/Nmr3N08Lw6AFULL PLAYLIST:https://www.youtube.com/playlist?list=PLy4r7dYHL5VdqoRUgVa_pO95uElwGaxkpCreate an Apex class that returns contacts based on incoming parameters.For this challenge, you will need to create a class that has a method accepting two strings. Make sure you don't have any transaction security policies that are interfering. Literal text is enclosed in single quotation marks. SOQL IN Operator is used to fetch the data from the matched values specified in the the SOQL statement. The order of words in the search term doesnt matter. To view only the USER_DEBUG messages, select. Challenge completed. You can write and execute a SOQL query in Apex code or in the Developer Consoles Query Editor. Generated SOQL, SOSL Queries for maintenance of multiple objects, to select the data from SFDC. }, Step Then, you should return [SELECT Id, Name FROM Contact WHERE lastName = :a AND MailingPostalCode = :b]; I don't understand how is that the Select statement has lastName and MailingPostalCode in its WHERE clause, when those are Not Contact object fields, SELECT Id, Name FROM Contact WHERE Name = :a AND MailingPostalCode return Contacts; When you complete this course, you will be able to: Learn modern tools for developing on the Salesforce Platform using Visual Studio Code, the Salesforce Extension Pack, and the Salesforce CLI. To delve deeper into SOQL queries, check out the Apex Basics & Database module. o Writing Apex Triggers, Apex Test Classes, SOQL and SOSL queries (using Workbench and Query Editor), customized queries to avoid governor limits o Worked with Standard Controllers, Custom . That's great for now, but your users aren't going to be running queries in the Developer Console. The Developer Console provides a simple interface for managing SOQL and SOSL queries. Lets try it out in the Developer Console. For example, searching for 'Digital' in SOSL returns records whose field values are 'Digital' or 'The Digital Company', but SOQL returns only records with field values of 'Digital'. For this challenge, you will need to create a class that has a method accepting two strings. Click on Home tab and Create Lead and Contact record with LastName=Smith as shown below: This was the solution I used and it worked. I was able to pass the challenge by connecting to a fresh dev org, inserting the contact, and executing the SOSL statement. Execute a SOQL query: Execute a SOQL query. SearchGroup is optional. TheINoperator is used if you want to compare a value with multiple values to ensure the retrieved records are accurate. In one of these discussions, I found a site recommendation. Account: The SFDC Query Man (Name field matched), Contact: Carol Ruiz, Phone: '(415)555-1212', Account: The SFDC Query Man, Description: 'Expert in wing technologies.'. Create an Apex class that returns contacts based on incoming parameters. public class ContactSearch { SOQL stands for Salesforce Object Query Language. . The variable serves as a placeholder for each item in the list. Check your logs to see Operation. Get a Record by External ID: This operation retrieves a record using an external ID. But if you try the same in a SOQL query, you need to specify the fields to search and a complete word or phrase to search for. One major difference between SQL and SOQL is that we cannot perform SELECT * on any object in SOQL. I'm stuck on the SOSL query challenge in trailhead. Salesforce Apex code contains many programming elements like Variable declaration, SOQL Query, Control Structure, Array (list), Data (DML) operation. www.tutorialkart.com - Copyright - TutorialKart 2023. LastName =:lastName and Had to do the like to get mine to pass. //write a SOSQL query to search by lead or contact name fields for the incoming string. IN and NOT IN operators are also used for semi-joins and anti-joins. In visualforce controllers and getter methods. Each list contains an array of the returned records. System.debug([SELECT Id, Name FROM Contact WHERE Name like:a AND MailingPostalCode = :b]); public class ContactSearch { Example Programs using relationship queries and Apex, Salesforce Visualforce Interview Questions. This example shows how to run a SOSL query in Apex. In this Salesforce Developer Tutorial, we learned how to write our first SOQL Query. A SOQL query is the equivalent of a SELECT SQL statement and searches the organisation database. The resulting SOSL query searches for Wingo or SFDC in any field. How to write First SOQL Statement using Force.com Explorer?. Various trademarks held by their respective owners. In the Execute Anonymous window, assign the query results to the new list: On the next line, send the listOfContacts list to the Debug log: At the bottom of the Execution Log window, click the. List Contacts = [select Id, Name from Contact where LastName = :lastName and MailingPostalCode = :postalCode]; In the Query Editor tab, enter the following SOSL query. ERROR at Row:2:Column:37 A SOQL query that you execute using Apex code is called an inline SOQL query. } Learn more about bidirectional Unicode characters, https://gist.github.com/1e504b61234719fe3d8f402af07ef005#gistcomment-4197146, https://github.com/notifications/unsubscribe-auth/AYEOZ7XWN6MQFAKGJB5NZ5TVOQ26RANCNFSM5I25RZ4A, https://gist.github.com/1e504b61234719fe3d8f402af07ef005#gistcomment-4191569, https://github.com/notifications/unsubscribe-auth/AYEOZ7XW6F5RHRNVHNXM5FLVN3HHBANCNFSM5I25RZ4A, /* CHALLENGE LINK: https://trailhead.salesforce.com/en/content/learn/modules/apex_database/apex_database_soql. In Object-Oriented Programming for Admins, you learned how to process items in a list, one by one, using a for loop. SOSL allows you to specify the following search criteria: This search returns all records whose fields contain both words: The and Query, in any location of the text. The Space is the culprit here make sure to use below line : List> searchList = [FIND 'Mission Control' IN ALL FIELDS, I know that this is the old attempt, but when trying out the original code at the top of this, the only problem was that he usedc.LastName + ',' + c.FirstName instead ofc.LastName + ', ' + c.FirstName. In this example, we will use NOT IN operator in WHERE expression to filter the rows. How to Enable Developing Mode in Salesforce? In the viewContacts method, after the SOQL query, paste this code: In the Enter Apex Code window, replace the existing code with this code: Get personalized recommendations for your career goals, Practice your skills with hands-on challenges and quizzes, Track and share your progress with employers, Connect to mentorship and career opportunities. The SOSL query references this local variable by preceding it with a colon, also called binding. I have created a brand new organization (used another email). SOSL is similar to Apache Lucene. If not specified, the default search scope is all fields. Lets try running the following SOSL example: All account and contact records in your org that satisfy the criteria will display in the Query Results section as rows with fields. A SearchQuery contains two types of text: To learn about how SOSL search works, lets play with different search strings and see what the output is based on our sample data. SOQL queries is used to retrieve data from single object or from multiple objects.