Table of Contents
- 1 Which statement is used to retrieve data from a database?
- 2 Which of the following command is used to retrieve data stored in a cursor?
- 3 How will you retrieve data from a table?
- 4 Which command deactivates a cursor?
- 5 How to make a retrieving statement in SQL?
- 6 Which is an example of a SELECT statement in SQL?
Which statement is used to retrieve data from a database?
SQL SELECT statement
The SQL SELECT statement is used to retrieve records from one or more tables in your SQL database. The records retrieved are known as a result set.
What is used to retrieve a specific information?
In Base, query is used to retreive the specific information from the database. Hence, Query can retrieve the specific information from the database, insert the values to the database, update and delete the values in the database through appropriate SQL commands.
What is used to retrieve specific data from one or more table?
An SQL SELECT statement retrieves records from a database table according to clauses (for example, FROM and WHERE ) that specify criteria. Use a comma and space between table names when specifying multiple tables.
Which of the following command is used to retrieve data stored in a cursor?
Select statements are used to retrieve data from SQL tables. An asterisk after the word “select” means retrieve all fields (columns). The name of the table from which you are retrieving data is specified in the From clause.
Is command is used to retrieve data from a database?
Explanation: In database SELECT query is used to retrieve data from a table. It is the most used SQL query.
How do you retrieve data from a database?
In order to retrieve the desired data the user present a set of criteria by a query. Then the DBMS selects the demanded data from the database. The retrieved data may be stored in a file, printed, or viewed on the screen. A query language, such as Structured Query Language (SQL), is used to prepare the queries.
How will you retrieve data from a table?
The syntax is: SELECT column1, column2 FROM table1, table2 WHERE column2=’value’; In the above SQL statement: The SELECT clause specifies one or more columns to be retrieved; to specify multiple columns, use a comma and a space between column names.
Which is used to retrieve data from table?
SELECT query is used to retrieve data from a table. It is the most used SQL query.
How can I retrieve data from multiple tables in SQL?
There are many ways to display data from more than one table. You can join tables or views by a common column. You can also merge data from two or more tables or views into a single column or create a subquery to retrieve data from several tables. You can use a SELECT statement to join columns in two or more tables.
Which command deactivates a cursor?
The CLOSE command deactivates the cursor.
Which statement is used to get the data from cursor?
The FETCH statement advances the cursor to the first or next row in the set, and loads the values indicated in the SELECT clause of the DECLARE CURSOR statement into host language variables.
What is the process of retrieving user data?
In databases, data retrieval is the process of identifying and extracting data from a database, based on a query provided by the user or application. It enables the fetching of data from a database in order to display it on a monitor and/or use within an application.
How to make a retrieving statement in SQL?
SQL example statements for retrieving data from a table. Overview. Structured Query Language (SQL) is a specialized language for updating, deleting, and requesting information from databases.
What is the process of retrieving data from a database?
Retrieving data is the process of displaying a record of a database. SQL Server provides facility to retrieve data which is inserted into the database. Toggle navigation
What are the commands used to retrieve data?
There are many commands which help to retrieve the data according to the different condition. Some of them are where, order by, distinct, group by etc. In this chapter you have learned about the data retrieving process and list of commands used to retrieve data.
Which is an example of a SELECT statement in SQL?
Examples. Following are examples of SQL SELECT statements: To select all columns from a table (Customers) for rows where the Last_Name column has Smith for its value, you would send this SELECT statement to the server back end: SELECT * FROM Customers WHERE Last_Name=’Smith’; The server back end would reply with a result set similar to this: