How do you query results in another query?

How do you query results in another query?

Use the results of a query as a field in another query. You can use a subquery as a field alias. Use a subquery as a field alias when you want to use the subquery results as a field in your main query. Note: A subquery that you use as a field alias cannot return more than one field.

How do you get max marks in SQL?

Try using this SQL SELECT statement: SELECT * FROM employees WHERE department_id=30 AND salary = (SELECT MAX(salary) FROM employees WHERE department_id=30);

How do I select the maximum 5 values in SQL?


  1. SQL Server / MS Access Syntax. SELECT TOP number|percent column_name(s) FROM table_name;
  2. MySQL Syntax. SELECT column_name(s) FROM table_name. LIMIT number;
  3. Example. SELECT * FROM Persons. LIMIT 5;
  4. Oracle Syntax. SELECT column_name(s) FROM table_name. WHERE ROWNUM <= number;
  5. Example. SELECT * FROM Persons.

How do you select the top 3 values in SQL?


  1. SQL Server / MS Access Syntax: SELECT TOP number|percent column_name(s) FROM table_name.
  2. MySQL Syntax: SELECT column_name(s) FROM table_name.
  3. Oracle 12 Syntax: SELECT column_name(s)
  4. Older Oracle Syntax: SELECT column_name(s)
  5. Older Oracle Syntax (with ORDER BY): SELECT *

How do you find the maximum salary in each department?

Hence the query “SELECT DeptID, MAX(Salary) FROM EmpDetails GROUP BY DeptID” will not work since MAX() returns a single value. The below query will work….

DeptID EmpName Salary
Engg Smith 2000
Engg Tom 2000
HR Danny 3000
IT John 3000

What is nth salary?

Net salary, more commonly known as Take-Home Salary, is the income that the employee actually takes home once tax and other such deductions are carried over with. It refers to the in-hand figure that is calculated after deducting Income Tax at source (TDS) and other deductions as per the relevant company policy.

Does CTC include PF?

Most employers contribute 12% (called PF) of basic salary every month to employee’s Provident fund account, shown in CTC. An employee also contributes 12% (called VPF). Employer PF is part of CTC not shown on Salary Slip.

What is CTC and in hand salary?

Cost to company (CTC) is a term for the total salary package of an employee….General Comparison Chart For Approximate Understanding by Ck.

Band CTC (Yearly) In Hand Salary
A 20 lakh 1,15,000 per month
B 15 lakh 95,000 per month
C 12 lakh 82,000 per month
C 10 lakh 63,000 per month

What is DA in salary?

DA or dearness allowance is calculated as a specific percentage of the basic salary which is then added to the basic salary along with other components like HRA (House Rent Allowance) to make up the total salary of an employee of the government sector.

What is expected DA from Jan 2020?

DA payment will be done twice a year based on the CPI-IW inflation usually January and July….Expected DA from January 2021 is 27%

Current Rate of DA % is 17%
Hike in DA as on January 2020 is 4% (17%+4%) 21%
Hike in DA as on July 2020 DA is 3% (21+3) 24%

What is Ma in salary slip?

Gross salary = Basic salary + HRA (House rent allowance) + DA (dearness allowance) + MA (medical allowance).

How VDA is calculated?

The VDA for workers is notified annually by the State government based on inflationary trends and is calculated on the basis of price rise recorded the previous year. Accordingly, the VDA for workers in Karnataka for 2020 ranged from ₹417.6 to ₹522 per worker per month, depending on type of industry.

Is VDA compulsory?

VDA forms an important component while computing the minimum rates of wages. If an employer is paying wages to workers which is equal to or higher than minimum wages (including VDA) as fixed by the State Government or provided under the Minimum Wages Act, 1948, then they are not required to pay VDA separately.

What is VDA rate?

The Union ministry of labour and employment has announced a hike in variable dearness allowance from 105 per month to 210 per month for central government employees. The rates are fixed for scheduled employment in the central sphere.

Who is eligible for VDA?

The VDA is being granted to the employees under categorized in the list of the Minimum Wages Act 1948. At present, 40 types of scheduled employments are listed in the category. The employees working in specified employments, such as mines, oilfields, major ports and also in Railway administration.

What is VDA per month?

Variable Dearness Allowance (DA) hike: These rates are equally applicable to contract and casual employees/workers. Amid the second wave of Covid-19, the government has revised the rate of Variable Dearness Allowance (VDA) with effect from 1 April 2021.

What is VDA standard?

VDA stands for Verband der Automobilindustrie. VDA 6.3 defines a process-based audit standard for evaluating and improving controls in a manufacturing organization’s new product introduction and manufacturing processes.

What is minimum wage VDA?

2011: As per Karnataka High Court’s interim order MGNREGA’s wage rates are to be aligned with the Minimum Wage rates of the state….

Category Basic wages plus V.D.A (IN RS.)
Removal and stacking of rejected stones with 50 meters lead/1.5 meters lift. * 283+63=346

What is the minimum salary 2020?

State 2020 Minimum Wage 2021 Minimum Wage
Alaska $10.19 $10.34
Arizona $12.00 $12.15
Arkansas $10.00 $11.00
California $13.00 $14.00*

What is the minimum wage from April 2020?

NMW 2020

Rate Current Rates From April 2020
Adult (21 – 24) 7.70 8.20
Youth Development (18 – 20) 6.15 6.45
16 – 17 Year Old (under 18 but over school leaving age) 4.35 4.55
Apprentice* 3.90 4.15

What is the new minimum wage for 2021?

Federal/Provincial Minimum Wage

Alberta $15.00 General Workers $13.00 Student Under 18 (less than 28 hrs/wk when school is in session)
Manitoba $11.90 ($11.95 October 1, 2021)
Ontario $14.25 General Workers $12.45 Liquor Server $13.40 Student Under 18 (less than 28 hrs/wk)
Québec $13.50 $10.80 If Gratuities Apply

How do you query results in another query?

How do you query results in another query?

Use the results of a query as a field in another query. You can use a subquery as a field alias. Use a subquery as a field alias when you want to use the subquery results as a field in your main query. Note: A subquery that you use as a field alias cannot return more than one field.

How do I select the second result in SQL?

A SQL result set returns rows in an indeterminate order, unless you have an order by . Even running the query twice on the same system and return the rows in different order, so you need the order by . The offsets start at 0 for the first row. For the second row, offset 1 .

How do I merge two mysql queries?

To combine result set of two or more queries using the UNION operator, these are the basic rules that you must follow:

  1. First, the number and the orders of columns that appear in all SELECT statements must be the same.
  2. Second, the data types of columns must be the same or compatible.

How to query on another query result in SQL?

The first result is from first select statement of the union where hours = 10 and hours = 0 is from second select statement of union. Like in the case there should be only one result per ecode.

How to combine two SELECT statements in SQL Server?

Selecting UNION will append the results below the existing result set. If you want the second query’s results as an additional column you will need to write it as a single query and JOIN the additional column.

How to combine multiple queries into one result set?

For example, you can’t have the first SELECT statement returning 3 columns, and the second returning 5, or having the first SELECT statement returning a text then a date column, but the second returning a text then an integer. They need to match. Even if an item appeared in both tables, we only get one entry.

How does a merge query work in Excel?

A merge query creates a new query from two existing queries. One query result contains all columns from a primary table, with one column serving as a single column containing a relationship to a secondary table.

How do you execute a SQL query only if another SQL query has results?

The common table expression ( WITH clause) wraps the first query that we want to execute no matter what. We then select from the first query and use UNION ALL to combine the result with the result of the second query, which we’re executing only if the first query didn’t yield any results (through NOT EXISTS ).

Is a query that has another query?

A Subquery or Inner query or a Nested query is a query within another SQL query and embedded within the WHERE clause. A subquery is used to return data that will be used in the main query as a condition to further restrict the data to be retrieved.

How do you join the results of two queries?


  1. To combine two or more SELECT statements to form a single result table, use the set operators: UNION, EXCEPT or INTERSECT.
  2. To keep all duplicate rows when combining result tables, specify the ALL keyword with the set operator clause.

How do you run a query in a query?

Run the query

  1. Locate the query in the Navigation Pane.
  2. Do one of the following: Double-click the query you want to run. Click the query you want to run, then press ENTER.
  3. When the parameter prompt appears, enter a value to apply as a criterion.

Can I query a query in access?

1 Answer. Using MS Access, it is possible to save both of these queries and then add them by query name to the query design window. Once added, you can create an INNER JOIN between the two queries by dragging and dropping the relevant field name from one to the other.

How do I write multiple subqueries in SQL?

SQL: Using ANY with a Multiple Row Subquery You must place an =, <>, >, <, <= or >= operator before ANY in your query.

How do I do an if statement in SQL?

The IF statement is logically equivalent to a CASE statements with a searched-case-statement-when clause. The IF statement supports the use of optional ELSE IF clauses and a default ELSE clause. An END IF clause is required to indicate the end of the statement.

How do you query inside a query?

Important rules for Subqueries:

  1. You can place the Subquery in a number of SQL clauses: WHERE clause, HAVING clause, FROM clause.
  2. A subquery is a query within another query.
  3. The subquery generally executes first, and its output is used to complete the query condition for the main or outer query.

What is a pass through query?

Used when linking one database to another through an ODBC (Open Database Connectivity) or JDBC (Java Database Connectivity or Sun Java standard) connection. The query written in the local database is “passed through” as is to the database on the server and processed by the remote database.

What is a query tool?

The Query Tool is an Ingres data management application written in OpenROAD 4GL. It provides a number of features that enable developers or data analysts to maintain and manipulate data in their local and remote Ingres installations. It lets you run ad hoc queries against a database.

How to perform a query on a result from another query?

Usually you can plug a Query’s result (which is basically a table) as the FROM clause source of another query, so something like this will be written: I don’t know if you even need to wrap it.

How to nest a query inside another query?

The main query then checks to see whether employee IDs from the Orders table are in the result set. On the Design tab, in the Results group, click Run. The query runs, and the query results show a list of orders that were processed by employees who are not sales representatives.

When to use a query as a field?

Sometimes you may want to use the results of a query as a field in another query, or as a criterion for a query field. For example, suppose that you want to see the interval between orders for each of your products. To create a query that shows this interval, you need to compare each order date to other order dates for that product.

What happens if there is no query result?

(Since it is a LEFT JOIN, every employee in the master table will have an entry, even if none of the filtered project_employee entries matched.) In the case that there is no match, the pe.hours column will be NULL, causing the COALESCE to revert to its second value of zero.

How do you count the results of a SQL query?

SQL COUNT() Function

  1. SQL COUNT(column_name) Syntax. The COUNT(column_name) function returns the number of values (NULL values will not be counted) of the specified column:
  2. SQL COUNT(*) Syntax. The COUNT(*) function returns the number of records in a table:
  3. SQL COUNT(DISTINCT column_name) Syntax.

What is the query result?

Query result fields define the structure and type of the data provided by the query after query processing.

How to get the result of a query in SQL?

I create a query with some results reused. I search a way to put the result into a variable and use it. A simple way to see what I want something looking like this – I want this: DECLARE @result1 ????? SET @result1 = SELECT a,b,c FROM table1 SELECT a AS val FROM @result1 UNION SELECT b AS val FROM @result1 UNION SELECT c AS val FROM @result1

What is SELECT query in SQL?

SQL – SELECT Query. The SQL SELECT statement is used to fetch the data from a database table which returns this data in the form of a result table. These result tables are called result-sets.

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.

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