Course Content

Course Content

FAQs

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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