SQL Expressions are combination of one or more values, operators and SQL functions that evaluate to a value. These SQL EXPRESSIONs are similar to a formula and they are written in query language. You can also use them to query … Read more »
SQL Operators are the reserve keywords, characters or symbols which are mainly used along with the WHERE clause to perform operations such as comparisons and arithmetic operations. These reserve keywords, characters or symbols are known as operators. These operators are … Read more »
SQL Data Types denotes the type of data that can be stored in a table column. Each column in a table is associated with a data type. For example, for storing integer types data in a column, you need to … Read more »
Learning Objective: In this tutorial, you will learn about SQL Syntax. SQL language follows some set of rules and guidelines called syntax. The aim of this tutorial is to give you basic idea about the SQL syntax. All the SQL … Read more »
In this tutorial, you will learn how to install MySQL in your windows operating system. This can be done using MySQL installer. After this tutorial, you will have MySQL database and its tools up and running in your system.
Teradata UPDATE statement update columns of an existing table in Teradata. You can update one or more columns using a single UPDATE statement. Teradata UPDATE Statement syntax The general syntax for the Teradata UPDATE statement is as follows. To update … Read more »
Teradata does not support traditional values with multiple rows while inserting data into the table. Instead of that, you can use Multi Statement Request(MSR). Syntax Insert into dbname.tblname values (value1, vlaue2) ;Insert into dbname.tblname values (value3, vlaue4) ; Example Let’s … Read more »
Most of us familiar with the Insert Statement by which we insert data into a table. Here, we are using “values” keyword to specify data for the columns. Insert/Select provide flexibility to insert data into a table by selecting data … Read more »
SELECT is the simplest among all other statements and it is used to retrieve the records from the table. Teradata SELECT Syntax Following is the basic syntax of a SELECT statement. SELECT column1, column2, … FROM tablename; Teradata SELECT … Read more »
Teradata Alter Table with Rename option is used to rename a column name in Teradata Table. Teradata Alter Table Rename Column Syntax The syntax of Teradata Alter Table Rename Column is as follows. Alter Table database_name.tbl_name Rename column_name to new_column_name; … Read more »