Teradata Group By clause makes the group of related rows. The group by clause identifies the rows which have the same value for the specified attribute (i.e, duplicate value) and returns a single row of information instead of all the … Read more »
Teradata Order By clause sorts the result set based on the given expression. It is used with SELECT Statement to determine how the result set will be selected. If the order by clause is not used, then the result-set remains … Read more »
Teradata Delete statement deletes the records from a table. You can delete either all the records or some specific records from an existing table using the delete statement. Teradata Delete Statement syntax The syntax for the Teradata Delete statement is … Read more »
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 »
Teradata ALTER TABLE modify column is used to modify the column datatype, length, or format. The option for changing the length of a datatype is limited in Teradata. However, we can use the below syntax for changing the length of … Read more »
Teradata Alter Table Drop Column statement is used to drop an existing column from a Teradata table. You can also drop multiple columns in one statement using Alter Table Drop Column. Teradata Alter Table Drop Column Syntax The syntax of … Read more »