What is SQL Query ?

1 Answer

Answer :

SQL Query is a query that uses SQL 's DDL and DML languages to find , display , print , and perform certain conditions in one or more tables in a database .

Related questions

Description : What is better: One big SQL query or several?

Last Answer : It’s difficult without examples. But what you describe seems like a simple join.

Description : Help him in writing SQL query for the following purpose: (i) To count how many female candidates will be attending the training. -Technology

Last Answer : (i)Select count(name) from training where name like ‘Ms.%’;(ii) Select * from training where fee is NULL;(iii) Select city, fee from training where topic = ‘Cyber Security’;(iv) Alter table training add feedback varchar(20);

Description : Write SQL query to create a table “BOOKS” with the following structure: Table: BOOKS -Technology

Last Answer : Create table Books(BOOK_ID Integer (2) Primary Key,BOOK_NAME Varchar (20),CATEGORY Varchar (20),ISSUE_DATE Date);

Description : Write SQL query to create a table “Registration” with the following structure: -Technology

Last Answer : Create table Registration(Reg_Id Integer(2) Primary Key,Name varchar(20),Course varchar(10),Join_Dt date);

Description : Write SQL query to create a table Inventory with the following structure : -Technology

Last Answer : CREATE TABLE Inventory(Material Id Integer Primary Key,Material Varchar (50) NOT NULL,Category Char,DatePurchase Date) :

Description : Write SQL query to create a table Player with the following structure : -Technology

Last Answer : CREATE TABLE Player(};

Description : Write SQL Query commands based on the following table: -Technology

Last Answer : This answer was deleted by our moderators...

Description : In Visual Basic .NET or Visual C# programming, when would you use Structured Query Language (SQL)? How are they executed? 

Last Answer : ADO.NET handles most of the database communication for you behind-thescenes. You would only use SQL statements when generating ad-hoc queries for the database. You execute SQL statements by ... returning statements, such as DELETE, INSERT INTO, or UPDATE statements, use the ExecuteNonQuery method.

Description : SQL stands for   Structured Query Language   Statistical Query Language   Superior Questions Lot   Superior Questions Lo

Last Answer :  Structured Query Language

Description : What is JDBC? Describe the steps needed to execute a SQL query using JDBC.

Last Answer : Ans. The JDBC is a pure Java API used to execute SQL statements. It provides a set of classes and interfaces that can be used by developers to write database applications. The steps needed to execute a ... . 2. Execute a SQL statement. 3. Process th results. 4. Close the connection to the database.

Description : For execution of DELETE SQL query in JDBC, ............. method must be used. A) executeQuery() B) executeDeleteQuery() C) executeUpdate() D) executeDelete()

Last Answer : C) executeUpdate()

Description : ………………… is a full form of SQL. A) Standard query language B) Sequential query language C) Structured query language D) Server side query language

Last Answer : A) Standard query language

Description : Consider the following three SQL queries (Assume the data in the people table) : (a) Select Name from people where Age>21; (b) Select Name from people where Height>180; (c) Select Name from people where (Age>21) or (Height ... number of rows returned by the SQL query (c) ? (A) 3 (B) 7 (C) 10 (D) 21

Last Answer : (C) 10

Description : Suppose ORACLE relation R(A, B) currently has tuples {(1, 2), (1, 3), (3, 4)} and relation S(B, C) currently has {(2, 5), (4, 6), (7, 8)}. Consider the following two SQL queries SQ1 and SQ2 ... (A) 2 and 6 respectively (B) 6 and 2 respectively (C) 2 and 4 respectively (D) 4 and 2 respectively

Last Answer : (D) 4 and 2 respectively

Description : In distributed databases, location transparency allows for database users, programmers and administrators to treat the data as if it is at one location. A SQL query with location transparency needs to specify: (A) Inheritances (B) Fragments (C) Locations (D) Local formats 

Last Answer : (B) Fragments

Description : Where is the query file ?

Last Answer : The query file is in the database.

Description : What is Query ?

Last Answer : Answer : Query is a very quick and easy way to find any data from a huge amount of data stored in a database .

Description : What is Data Query Language ?

Last Answer : Database management The language used to search and edit specific data retrieval in existing programs is called data query language.

Description : What is Query ?

Last Answer : A query is an efficient way to quickly, easily or easily find , display, or print any number of data needed from a large amount of data stored on one or more tables in a database.

Description : title : Select Query

Last Answer : A query that is created by selecting fields from one or more data tables in a database is called Select Query .

Description : How many types of Action Query ?

Last Answer : Action Query 4 types.

Description : : Make Table Query

Last Answer : The query that is used to store the queried data in another table is called Make Table Query .

Description : What is Append Query ?

Last Answer : The query that is used to add one or more records to the data table is called Append Query .

Description : Why is SQL called a database tool ?

Last Answer : RDBMS full name Relational Database Management System. RDBMS is a software-based management system used to create , control , establish , maintain , maintain , search, and search various data tables in a database .

Description : What command is used to remove a table or index from a SQL database ?

Last Answer : DROP TABLE is used to remove a table or index from a SQL database .

Description : How can a search engine know exactly what you want to look for before completely finishing the query?

Last Answer : Based on what other people that typed the same ended up clicking on when they went to the page of results.

Description : FB query: I have timeline review on but things are still being shared on my timeline?

Last Answer : answer:I wish I knew because sometimes people post things on my timeline and I see other friends have liked them, which shows me that people can see them before I approve them. Other things ... can be so confusing sometimes with privacy settings and things like that, I wish they made it simpler.

Description : Another website design query (Details...)

Last Answer : answer:I would recommend looking in to writing scripts using jQuery. I'm currently in the process of designing a site myself and have been amazed at what can be accomplished now with just a ... here. They range from very simple beginner guides to some advanced shit that will rearrange your brain.

Description : How can there be "1000 search results per query?" no matter what the query is?

Last Answer : answer:If you can find more than a few dozen relevant results, you are very fortunate. By posting the 1,000 most relevant results for a search, you can give the person either more detail than they ... random stuff. In the former case, 1,000 results is enough, in the latter, search is unnecessary.

Description : Query about different blood types?

Last Answer : The “negative” is RH. A negative is RH negative also.

Description : Antibiotic query ... about reactions?

Last Answer : i dont blame you…penicillin almost killed me once. anaphalaxis. I rarely take antibiotics now. Just be aware.

Description : How to get the value from a listbox populated by a query in access 2007?

Last Answer : Can the code be placed in the form with the list boxes? Then you could refer to them without the qualifiers, like this id_proyecto.Value id_muestra.Value

Description : Blisters in the corners of my mouth/lips and dentists...query?

Last Answer : When I’ve gotten impressions or dental work that has taken a while I’ve gotten REALLY mild blisters the next day or so….yours seem a lot worse, but I would assume they’ll go away…

Description : Data source to query for a list of stocks?

Last Answer : You might want to check out Google’s Finance API.

Description : How can I use the Twitter Search API to return all tweets that match my search query, posted only within the last five seconds?

Last Answer : Nevermind, I don’t see a way to do this. I have a different method to fall back on, but this would have been ideal.

Description : HD TV Tuner card query...

Last Answer : answer:

Description : What's the most important thing to know for sending a query letter to a journal, magazine, or newspaper?

Last Answer : When sending a query letter, use it as an opportunity for the editor to sample the style of the piece you're querying. In other words, match the tone of your letter to the tone of the story/article. ... adress the query to that editor. In this day and age, there's no reason this should be missing.

Description : Is there something wrong with my MySQL query?

Last Answer : answer:SELECT CONCAT_WS( ’ ’, first_name, last_name ) AS full_name, username, country, region, CONCAT_WS( ’, ’, region, country ) AS location FROM people HAVING full_name[equal]‘John Doe’ Damn! I’ve been awake for a long time. Silly me.

Description : Define query in the context of database. -Technology

Last Answer : A query is an inquiry into the database using the SELECT statement. These statements give you filtered data according to your conditions and specifications indicating the fields, records, and summaries which a user wants to fetch from a database.

Description : Data is stored in RDBMS in the form of (a) table (b) query -Technology

Last Answer : (a) Relational Database Management System stores data in the form of relation. As we know, relations are known as table.

Description : A query is used to retrieve data from the database based on one or more criteria. -Technology

Last Answer : False Because MS-Access 2007 supports the database object query.

Description : In a Bank’s database, there are two tables ‘Customer’ and ‘Transaction’ as shown below. Write a query to display customer’s name who has -Technology

Last Answer : (i) Select cust_name from customer c,transaction t where c.Acc_No=t.Acc_No and Transaction_Type= 'Debit';(ii)Select cust_name, t.* from customer c, transaction t where c.Acc_No=t.Acc_No;(iii) ... total amount of all type of transactions, it will only display the total of credit transactions only.

Description : Write a query to display customer’s name who has withdrawn the money. -Technology

Last Answer : Select cust_name from customer c,transaction t where c.Acc_No=t.Acc_No and Transaction_Type= 'Debit';

Description : Write a query to display customer’s name along with their transaction details. -Technology

Last Answer : Select cust_name, t.* from customer c, transaction t where c.Acc_No=t.Acc_No;

Description : Write a query to display customer’s name who have not done any transaction yet. -Technology

Last Answer : Select cust_name from customer c,transaction t where c.Acc_No!=t.Acc_No;

Description : What is a query ?

Last Answer : Query is the act of finding a specific data in one or more tables of a database and displaying it.

Description : Hello, please advise, I have a very difficult problem. I work for an employer who has been very dubious since the beginning of her employment. In my employment contract I have a wage assessment for the minimum ... to answer my difficult question, the help will be unbelievable for me.

Last Answer : Common practice of employers abusing naivety and lack of knowledge of the laws of their employees. Official minimum wage and a "paperless" bonus that is not written into the payout. The income, if the ... people affected by these unfair practices by employers in the same way or in a similar way.