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To query databases, one should learn the Structured Query Language (SQL). While most versions of databases havedifferentsyntaxes (usually by way of adding "extensions" to the SQL standard), learning SQL will provide most of what one would need to know to learn how to use a specific database product, such as MySQL, Access (T-SQL), and Oracle (PL/SQL).

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12y ago

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When you want to build a form for a subset of data you can base the form on what?

Query


What is queries in data base?

query is a request for retrive the information from the database.


What is the SQL data base material used for?

The SQL data base is programming language used to manipulate and retrieve data. Included in the language are elements such as data insert, query, update and delete.


What is the language used application program to request data from data base system management?

Structured Query Language (SQL).


What are subqueries used for in a database?

A subquery is basically a query inside another query. Sometimes a main query needs to process data that is the result of another query. To extract that data a subquery could be built into a field in a main query. This is known as a subquery.A subquery is basically a query inside another query. Sometimes a main query needs to process data that is the result of another query. To extract that data a subquery could be built into a field in a main query. This is known as a subquery.A subquery is basically a query inside another query. Sometimes a main query needs to process data that is the result of another query. To extract that data a subquery could be built into a field in a main query. This is known as a subquery.A subquery is basically a query inside another query. Sometimes a main query needs to process data that is the result of another query. To extract that data a subquery could be built into a field in a main query. This is known as a subquery.A subquery is basically a query inside another query. Sometimes a main query needs to process data that is the result of another query. To extract that data a subquery could be built into a field in a main query. This is known as a subquery.A subquery is basically a query inside another query. Sometimes a main query needs to process data that is the result of another query. To extract that data a subquery could be built into a field in a main query. This is known as a subquery.A subquery is basically a query inside another query. Sometimes a main query needs to process data that is the result of another query. To extract that data a subquery could be built into a field in a main query. This is known as a subquery.A subquery is basically a query inside another query. Sometimes a main query needs to process data that is the result of another query. To extract that data a subquery could be built into a field in a main query. This is known as a subquery.A subquery is basically a query inside another query. Sometimes a main query needs to process data that is the result of another query. To extract that data a subquery could be built into a field in a main query. This is known as a subquery.A subquery is basically a query inside another query. Sometimes a main query needs to process data that is the result of another query. To extract that data a subquery could be built into a field in a main query. This is known as a subquery.A subquery is basically a query inside another query. Sometimes a main query needs to process data that is the result of another query. To extract that data a subquery could be built into a field in a main query. This is known as a subquery.


What information is needed in a query?

In a query, you typically need to specify the data you want to retrieve, the conditions that should be met for the data to be included, and any sorting or grouping instructions. Additionally, you may need to specify the data source or table from which the data should be retrieved.


What is the best source to create form should it from query or table?

There is no definitive answer to that, as it depends what you want on the form. Ultimately all data comes from tables. If you just want to show all the records as they are you could base the form on the table. However if you want to display only selected records or certain calculations, you might create a query to do those operations and then base the form on the query.


Queries are often used to do what?

A query is formulated to retrieve data that meets the query parameters. For example if you had a data base containing peoples names and ages, a query might be to retrieve all names who have an age between 25 and 30.


What can a select query do?

Select query come under the category of DRL (data retrieval language). A select query is used to retrieve data from DB.


What was your previous job and what did you learn from it?

data analyst, operate data base of the human resources


What are you doing if you query a database?

You are searching the database or extracting data from the query.


What does a query allow you to do on a database?

a query allows you to select certain data