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What SQL keyword must be used to remove duplicate rows from the result?
The SQL SELECT DISTINCT StatementIn a table, some of the columns may contain duplicate values. This is not a problem, however, sometimes you will want to list only the different (distinct) values in a table. The DISTINCT keyword can be used to return only distinct (different) values.SQL SELECT DISTINCT SyntaxSELECT DISTINCT column_name(s) FROM table_name
How to insert values in to a table in SQL?
SELECT columns FROM tables INTO tablename - will create and insert values INSERT INTO table SELECT columns FROM tables - will insert from one or more tables into a table INSERT (columns) INTO table VALUES (literals) - will insert literal values into row in a table
How do you enter data into the table?
You can enter data into a table using the INSERT keyword. Ex: INSERT INTO emp_master VALUES ('11111', 'john', '30, Newport pkwy, NJ') The above command will insert one row of data into the emp_master table.
How do you create a drop-down list with jsp?
To create a drop-down list in JSP, you can use the HTML <select> element along with <option> tags to define the choices. For example: <select name="options"> <option value="1">Option 1</option> <option value="2">Option 2</option> <option value="3">Option 3</option> </select> You can also populate the list dynamically by iterating over a collection of values from a Java bean or a database using JSTL or scriptlet code.
Less than greater than and NOT not equal to are examples of?
Less than, greater than, and NOT not equal to are examples of relational operators. These operators are used in programming and mathematics to compare values and determine relationships between them. They help in making decisions based on conditions, such as in control flow statements or logical expressions.
How do you show descending values in SQL?
To show values in descending order, include the keyword DESC after the field name in the ORDER BY clause in the SQL. EX: SELECT FirstName, LastName, BirthDate FROM tblPerson ORDER BY BirthDate DESC, LastName, FirstName
What is distinct in SQL language?
distinct keyword displays only unique values. eg.if there is a deprtment_id called 140 for thrice means it will diaplays only once. select distinct department_id from departments
What SQL keyword must be used to remove duplicate rows from the result?
The SQL SELECT DISTINCT StatementIn a table, some of the columns may contain duplicate values. This is not a problem, however, sometimes you will want to list only the different (distinct) values in a table. The DISTINCT keyword can be used to return only distinct (different) values.SQL SELECT DISTINCT SyntaxSELECT DISTINCT column_name(s) FROM table_name
What is Difference between if statement and select case statement in vbscript?
If statements and Select-Case statements are two similar features that allow for code branching. The difference is that each If statement may compare against different variables and different ranges, while Select-Case statements may only compare against one variable at a time, and must compare against discrete values. Select-Case is therefore a specialized form of If statements, and are more efficient in terms of amount of code used and execution speed when used instead of theequivalentIf-Else statements.
How can I suppress 0 in an access query expression?
You would need to exclude the unwanted values in the where clause of the query, for example;select * from InvoiceLines where InvoiceValue 0
What does the SQL clause ORDER by CustomerLastName DESC do?
The SQL clause ORDER BY CustomerLastName DESC sorts the results of a query based on the values in the CustomerLastName column. The DESC keyword specifies that the sorting should be done in descending order, meaning that names will be listed from Z to A. This clause is typically used to organize data for easier reading or to prioritize records based on the specified column.
Difference between super and this in java?
The keyword super is used to explicitly call methods/values from the parent class The keyword this is used to explicitly call methods/values from the current class
Is there any function in sql server to return all values of a column seprated by comma you dont want to use loop or sql sever cursor?
CREATE TABLE #T ( ID INT, [NAME] VARCHAR(50) ) INSERT #T SELECT 1, 'Row1' UNION SELECT 2, 'Row2' UNION SELECT 3, 'Row3' UNION SELECT 4, 'Row4' UNION SELECT 5, 'Row5' UNION SELECT 6, 'Row6' UNION SELECT 7, 'Row7' UNION SELECT 8, 'Row8' UNION SELECT 9, 'Row9' UNION SELECT 10, 'Row10' SELECT * FROM #T DECLARE @Values AS VARCHAR(8000) SELECT @Values = '' SELECT @Values = @Values + ISNULL([Name] + ', ', '') FROM #T IF LEN(@Values) > 0 SELECT @Values = LEFT(@VALUES, LEN(RTRIM(@VALUES)) - 1) --Remove trailing comma SELECT @Values AS CommaDelimitedResultSet DROP TABLE #T
What does the keyword "0-9 meaning" refer to in the context of numerical values?
The keyword "0-9 meaning" refers to the range of numerical values from zero to nine and their significance or interpretation in a given context.
Which SQL keyword is used to retrieve only unique values?
DISTINCT
Can you use subquery in values clause of an insert statement?
Yes INSERT INTO your_table (col1, col2, col3) VALUES (1, 'a string', (SELECT TOP 1 empName FROM Employees)) Tested just now. Just make sure your subquery returns a single datum.
What will be the first question asked on judgement day regarding the keyword?
The first question asked on judgment day regarding the keyword will likely be about how well you lived your life according to the values and beliefs associated with that keyword.
