What is Data Query Language ?

What is Data Query Language ?
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1 Answer

Answer :

Database management The language used to search and edit specific data retrieval in existing programs is called data query language.
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Related questions

Where is the query file ?

Description : Where is the query file ?

Last Answer : The query file is in the database.

What is Query ?

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 .

What is Query ?

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.

title : Select Query

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 .

How many types of Action Query ?

Description : How many types of Action Query ?

Last Answer : Action Query 4 types.

: Make Table Query

Description : : Make Table Query

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

What is Append 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 .

What is SQL Query ?

Description : What is SQL Query ?

Last 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 .

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

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.

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

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

Last Answer :  Structured Query Language

……………. Allows definitions and query language statements to be entered; query results are formatted and displayed. A) Schema Processor B) Query Processor C) Terminal Interface D) None of the above

Description : ……………. Allows definitions and query language statements to be entered; query results are formatted and displayed. A) Schema Processor B) Query Processor C) Terminal Interface D) None of the above

Last Answer : C) Terminal Interface

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

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

Which of the following is false for the programming language PROLOG? (A) A PROLOG variable can only be assigned to a value once (B) PROLOG is a Strongly Typed Language. (C) The scope of a variable in PROLOG is a single clause or rule. (D) the scope of a variable in PROLOG is a Single Query

Description : Which of the following is false for the programming language PROLOG? (A) A PROLOG variable can only be assigned to a value once (B) PROLOG is a Strongly Typed Language. (C) The scope of a variable in PROLOG is a single clause or rule. (D) the scope of a variable in PROLOG is a Single Query

Last Answer : (B) PROLOG is a Strongly Typed Language.

Data source to query for a list of stocks?

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

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

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

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.

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

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.

Quantitative attributes are A. A reference to the speed of an algorithm, which is quadratically dependent on the size of the data B. Attributes of a database table that can take only numerical values C. Tools designed to query a database D. None of these

Description : Quantitative attributes are A. A reference to the speed of an algorithm, which is quadratically dependent on the size of the data B. Attributes of a database table that can take only numerical values C. Tools designed to query a database D. None of these

Last Answer : B. Attributes of a database table that can take only numerical values

Which of the following is/are the Database server functions? i) Data management ii) Transaction management iii) Compile queries iv) Query optimization A) i, ii, and iv only B) i, ii and iii only C) ii, iii and iv only D) All i, ii, iii, and iv

Description : Which of the following is/are the Database server functions? i) Data management ii) Transaction management iii) Compile queries iv) Query optimization A) i, ii, and iv only B) i, ii and iii only C) ii, iii and iv only D) All i, ii, iii, and iv

Last Answer : A) i, ii, and iv only

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>180); If the SQL queries (a) and (b) above, return 10 rows and 7 rows in the result set respectively, then what is one possible number of rows returned by the SQL query (c) ? (A) 3 (B) 7 (C) 10 (D) 21

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

.................. allows selection of the relevant information necessary for the data warehouse. (A) The Top-Down View (B) Data Warehouse View (C) Data source View (D) Business Query View

Description : .................. allows selection of the relevant information necessary for the data warehouse. (A) The Top-Down View (B) Data Warehouse View (C) Data source View (D) Business Query View 

Last Answer : Answer: A

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

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

Relational database schema normalization is NOT for: (A) reducing the number of joins required to satisfy a query. (B) eliminating uncontrolled redundancy of data stored in the database. (C) eliminating number of anomalies that could otherwise occur with inserts and deletes. (D) ensuring that functional dependencies are enforced.

Description : Relational database schema normalization is NOT for: (A) reducing the number of joins required to satisfy a query. (B) eliminating uncontrolled redundancy of data stored in the database. (C) ... could otherwise occur with inserts and deletes. (D) ensuring that functional dependencies are enforced. 

Last Answer : reducing the number of joins required to satisfy a query.

Explain the logic circuit that is useful for interpreting mechanical language in human language ?

Description : Explain the logic circuit that is useful for interpreting mechanical language in human language ?

Last Answer : Decoder is the logic circuit that is useful for interpreting mechanical language in human language. A circuit that has a large number of inputs is called a decoder. The decoder is needed to make the information written in the code language in the output unit of the computer understandable to human.

Why mechanical language is called inferior language ?

Description : Why mechanical language is called inferior language ?

Last Answer : Computer language is created in binary number system. Only 2 digits (0 , 1) are used in binary number system. No number system other than binary can be used directly on the computer. To solve the ... with only 0's and 1 's is easy. That is why mechanical language is called inferior language.

Explain the language written with 0 , 1. ?

Description : Explain the language written with 0 , 1. ?

Last Answer : The language written with binary digits 0 and 1 for composing a program is called machine language. Computers can only understand machine language. Writing a program in machine language (0 or 1) is ... matter. 1 refers to the presence of electricity and 0 refers to the absence of electricity.

Where did C Language come from ?

Description : Where did C Language come from ?

Last Answer : C Language came from BCPL .

Which organization first developed the Java programming language ?

Description : Which organization first developed the Java programming language ?

Last Answer : Sun Microsystems first developed the Java programming language.

What is the language of 4G ?

Description : What is the language of 4G ?

Last Answer : The language of 4G is: Intellect and SQL.

wifi router , wifi adapter , wifi repeater .... what can these do ? Tell me a little simple language ?

Description : wifi router , wifi adapter , wifi repeater .... what can these do ? Tell me a little simple language ?

Last Answer : WiFi router is a networking device that determines the path of data packets to their destination through different networks. The router does the work of "directing traffic" to the Internet. Many people can ... WiFi router. A WiFi repeater is a device used to amplify a signal and expand the network.

What is the name of the first programming language ?

Description : What is the name of the first programming language ?

Last Answer : The first programming language name is ADA .

Explain that high level language is not understandable on computer ,

Description : Explain that high level language is not understandable on computer ,

Last Answer : High-level language is not understandable by computers , because high-level language programs can only be understood after conversion into mechanical language. In other words, if you write a program ... have to translate it into mechanical language using a translator and explain it to the computer.

What is the first computer programming language ?

Last Answer : The first computer programming language - FORTRAN.

What is Wireless Data Communication ?

Description : What is Wireless Data Communication ?

Last Answer : Wireless data communication is a common component of mobile computing.

What is the data used in Bioinformatics ? Explain ?

Description : What is the data used in Bioinformatics ? Explain ?

Last Answer : Bioinformatics is a technique used to solve biological problems using applied mathematics , information science , statistics , computers , science , artificial intelligence , chemistry and biochemistry. Basically ... computers , which are used for the discovery and development of new genetic drugs.

Why Fiber Optic Cable is Safe in Data Transport ?

Description : Why Fiber Optic Cable is Safe in Data Transport ?

Last Answer : Optical fiber cable is safe for data transfer. It is a coating made of plastic or other materials , which protects the fiber from moisture , abrasion , sprains and other natural disasters. With ... Due to the high electrical resistance, this cable can be used with high voltage electrical equipment.

What do you mean by data warehouse ?

Description : What do you mean by data warehouse ?

Last Answer : Data Warehouse is a huge database that stores the data needed to analyze historical and current transactions. A data warehouse is a logical collection of data and information that is collected from various operational databases.

Explain when the primary key fields of two data tables need to be the same. ?

Description : Explain when the primary key fields of two data tables need to be the same. ?

Last Answer : Due to the following condition of the relation, the primary key fields of the data tables of the two databases need to be the same to create the relation. 1. The common field must be the primary key ... field size , format etc. should be the same and two tables should be open at the same time.

Memo ”Why is data type used ?

Description : Memo ”Why is data type used ?

Last Answer : Data type ( Memo) is used for descriptive writing or description . 65536 characters (letters , numbers , symbols , dates, etc.) can be written for this field . Usually the do type memo of that field is used for writing comments.

Explain why data encryption is required .

Description : Explain why data encryption is required .

Last Answer : Reasons to use data encryption - If data encryption is done, usually unauthorized persons or organizations cannot use the data. The sender encrypts the data using specific code. When the data reaches the ... that data can be used. In this case, the sender must know the rules of decryption.

What is most used in Data Transfer of Real Time Application ?

Description : What is most used in Data Transfer of Real Time Application ?

Last Answer : Isochronous is more used in Data Transfer of Real Time Application .

What is the Data Transmission Speed of Radio Wave ?

Description : What is the Data Transmission Speed of Radio Wave ?

Last Answer : Radio Wave 's Data Transmission Speed ​​–24 Kbps.

What is Full Duplex Data Transmission Mode ?

Description : What is Full Duplex Data Transmission Mode ?

Last Answer : Full duplex data transmission mode means data can be transferred in both directions and at the same time. This means that the transmitting device and the receiving device can simultaneously send and receive information to each other. Duplex means monster.

What if an information content is published in the form of digital data ?

Description : What if an information content is published in the form of digital data ?

Last Answer : Answer : If any information content is published in the form of digital data, it is called digital content.

How to find out if there is any mistake in data in synchronous transmission system ?

Description : How to find out if there is any mistake in data in synchronous transmission system ?

Last Answer : In a synchronous transmission system, data characters are transmitted in the form of blocks or packets. Each block data sends a header information at the beginning and a tailor information signal at the end. This signal helps to check if there is any mistake in the data.

What are the functions of protocol in data communication ?

Description : What are the functions of protocol in data communication ?

Last Answer : The rules for exchanging data or information that actually exist in the form of software are called protocols. Communication software or protocols perform the following tasks in order to transmit data ... The components of a data transcript system are modem , transmitter , switch , receiver etc.

What is data communication medium ?

Description : What is data communication medium ?

Last Answer : The medium that can be used for data exchange between sender and receiver station is called data communication medium. For example: 1. Cable or its 2. Ordinary telephone line 3. Radio wave 4. Microwave 5. Ground satellite system 6. Infrared etc.

What is the data transmission mode of mobile phone ?

Description : What is the data transmission mode of mobile phone ?

Last Answer : Full duplex in mobile phone data transmission mode. Full duplex transmission allows data to be sent and received at both ends at the same time. In this case, Edge can send and receive data anywhere at the same time. You can talk on both ends of the mobile phone at the same time.

What is data transmission mode in walkie-talkie ?

Description : What is data transmission mode in walkie-talkie ?

Last Answer : Half duplex in data transmission mode in walkie-talkie. The devices used in Half Duplex Maid are capable of both sending and receiving data. Half Duplex Maid has the opportunity to send data from both ... only receive or transmit data at the same time but cannot receive or transmit at the same time.

Which of the following is a collection of collected data ?

Description : Which of the following is a collection of collected data ?

Last Answer : Database is a collection of collected data.

What is data that is organized or presented in a meaningful way called ?

Description : What is data that is organized or presented in a meaningful way called ?

Last Answer : Data that is organized or presented in a meaningful way is called data.