DML, DDL, TCL and DQL and it’s subtypes. We’ve gone through each command in detail with its syntax and example that will assist you in writing queries. The SQL commands’ allows you to construct and manipulate a wide range of database objects with the different commands. After going th...
c) SAVEPOINT:This command helps in roll backing the transactions till a certain point. For example, a transaction consists of several DML commands and we want to undo the changes till a certain point and not completely, this can be achieved by usingSAVEPOINT. Syntax: SAVEPOINT SAVEPOINT_NAME; ...
The functional capability of DML is organized in manipulation commands like SELECT, UPDATE, INSERT INTO and DELETE FROM, as described below: SELECT: This command is used to retrieve rows from a table. The syntax is SELECT [column name(s)] from [table name] where [conditions]. SELECT is ...