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In SQL what is the function of the union operator?
In SQL, the function of the union operator is to combine the result of two or more select-statements. The union operator is a very useful tool when coding SQL.
What is the difference between T-sql and sql?
T-SQL is Microsoft's version of the generic SQL langauge to be used with, for example, Microsoft SQL Server.
What is the difference between a statement and a clause in SQL?
An SQL statement is a complete set of clauses which returns a value and ends with a semicolon(;) A statement is made up of several clauses Ex: select * from person where f_name='me'; In this ex ' select * from person where f_name='me';' is the statement and select*, from person, where f_name= are the clauses
What symbol is used to qualify column names in sql?
(.) Period
What is the difference between quel SQL and qbe?
gand maro...is the answer
In SQL what is the function of the union operator?
In SQL, the function of the union operator is to combine the result of two or more select-statements. The union operator is a very useful tool when coding SQL.
What does the -- operator do in SQL?
It is normally treated as a comment.
What is operator function?
An operator function implements a particular operator symbol. The database server provides special SQL-invoked functions, called operator functions, that implement operators. An operator function processes one to three arguments and returns a value. When an SQL statement contains an operator, the database server automatically invokes the associated operator function. The association between an operator and an operator function is called operator binding. You can overload an operator function to provide the operator for a UDT. The SQL user can then use the operator with the UDT as well as with the built-in data types. When an SQL statement contains an operator, the database server automatically invokes the associated operator function.
What does an sql union operator do?
"an sql union operator does many things. they help people find where they're going, they help people with their problems when they have some, then can do lots of things to help."
What are the three update commands in sql?
The three update commands in SQL are SET, WHERE, AND FROM.
How do you concatenate char with int column in sql?
In MS SQL, you can use the char() operator on the column. For example: select 'some string content ' + char(integer_field) from my_table
What is the function of an operator in biology?
Input output management Data management Security management Death lock Memory management
Where can one learn more about the between operator in SQL?
w3schools is a website with free tutorials on a variety of internet-based languages, including HTML, CSS, Javascript, and SQL. It includes an article on the between operator. Briefly, the between operator is used to select objects in a database that are between given values, eg finding all products in a catalog with prices between X and Y.
What are the disadvantages of QBE?
It is harder to set up than SQL
What procedures?
It is a saved set of SQL commands that can be run by the user.
What are stored-procedures?
It is a saved set of SQL commands that can be run by the user.
What is domain in SQL?
A set of possible data values is called Domain.
