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What else can I help you with?
Which SQL command would you use to retrieve a record or records from the database?
SELECT FROM clause Eg: SELECT <select_options> FROM <table_name> [ WHERE <condition> ]
What is it when an object allows a user to select a subset of fields or records from one or more tables?
This is known as a query in database management systems. Users can use queries to filter and retrieve specific information from one or more tables based on certain criteria. It helps in extracting relevant data without having to browse through all the records manually.
What are the two main approaches suggested for efficiently implementing a view for querying?
Most DBMS's will support these two syntaxes: CREATE VIEW view_name AS SELECT col1, col2, col3 FROM table_name WHERE condition; Where column names are just copied from the query and: CREATE VIEW view_name (colA, colB, colC) AS SELECT col1, col2, col3 FROM table_name WHERE condition; Where column names are specified.
What records allow you to pull data from a table so that you can analyze or manipulate the data further?
Database management systems (DBMS) allow you to query a table using SQL (Structured Query Language) to pull specific records or data that you need. By constructing a SELECT statement, you can filter, sort, and extract data from a table based on your criteria. This data can then be further analyzed or manipulated using various tools and techniques depending on your needs.
What clause of the select statement names the table that contains the data to be retrieved?
The FROM clause names the table that contains the data to be retrieved in a SELECT statement.
How do you select all the records from a table named Persons where the value of the column FirstName is Peter?
SELECT * FROM Persons WHERE FirstName='Peter'
How do you select a column named FirstName from a table named Persons?
In order to select a column named FirstName from a table named Persons, you should run the following MySQL query:SELECT FirstName FROM Persons
How can you return all the records from a table named Persons sorted descending by FirstName?
SELECT * FROM Person ORDER BY FirstName DESC
With SQL how do you select all the records from a table named Persons where the LastName is alphabetically between and including Hansen and Pettersen?
SELECT * FROM Persons WHERE LastName BETWEEN 'Hansen' AND 'Pettersen'
How can you return the number of records from table?
You can return the number of records from a table by executing a SQL query like "SELECT COUNT(*) FROM table_name;". This will count the total number of records in the specified table.
How do you select specific column in oracle?
select column from tablename
What are the steps for sorting data using multiple fields?
Choose: Select -> Sort & Filter --> Custom Sort Choose the columns that you want to determine the sort, starting with the main column, and adding any others as appropriate. So you might sort first on the Surname column and then on the firstname column. For each column, choose the order you want to sort. Then click OK to apply the sort.
Sample Sql query with explanation for selecting the alternate row from the table?
SELECT * FROM ( SELECT FirstName LastName FROM people ) @tempTable1 WHERE MOD(@temptable1.rn 2) 1 --even number query SELECT * FROM ( SELECT rownum rn firstname lastname FROM people ) @temptable1 WHERE MOD(@temptable1.rn 3) 0 but it is not working properly...can anubody tell me what is rownum here...
What is the easist method to select a column in Excel?
Click on the letter at the top of the column; that will select the entire column.
How do you delete rows and columns from am Microsoft Excel table?
many a time you may require to add a row of data or a coloumn of data which you forgot to enter earlier .excel proveides you the facility to insert rows or columns onto the sxisting worksheet very easily .it is that inserting a row of data will shift the rest of the rows down and cause the ladt row of the worksheet ,the rest of the columns shift right ,if there is any data in the last row or column of the worksheet that will be lost .
When was Select Records created?
Select Records was created in 1981.
How do you get data from database when you pick up item from database list?
Here is a simple method for connecting to your MySql database and outputting some data. <?php #Connect to MySQL database $db=mysql_connect("localhost","YourDatabaseUserName","YourDatabasePassword"); mysql_select_db("YourDatabaseName",$db) or die ("cant change"); #Select data from database table called customers. $result = mysql_query("select * from customers Order By LastName, FirstName",$db); while ($row = mysql_fetch_array($result)) { $FirstName = $row["FirstName"]; $LastName = $row["LastName"]; echo "$LastName, $FirstName"; ?><br><? } ?>
