Course Content

Course Content


Nominal, ordinal, discrete, and continuous data are the four types of data.

DDL, DML, DCL, TCL, and DQL are the five major categories of SQL commands.

  • The select statement should be the first statement in your query. [distinct | all ]
  • Fill in the names of the fields you want to see. field1 [field2, 3, 4, and so on.]
  • Fill in the blanks with your statement clauses or selection criteria. Required:
  • Examine your choice statement once more. Here is an example of a statement.

The Structured Query Language (SQL) is a powerful database tool that may be used to build, maintain, and retrieve data from a relational database. In a Database Management System, it is essentially a standard language for data manipulation (DBMS).

A trigger is a sort of stored procedure that executes automatically when a database server event occurs. When a user attempts to edit data via a data manipulation language (DML) event, DML triggers are triggered. INSERT, UPDATE, and DELETE statements on a table or view are DML events.

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