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There are 2 syntaxes for an update query in Oracle depending on whether you are performing a traditional update or updating one table with data from another table.
You can also perform more complicated updates in Oracle.
Demonstrations and hands-on practice reinforce the fundamental concepts.
This course introduces students to PL/SQL and helps them understand the benefits of this powerful programming language.
The SELECT FOR UPDATE statement allows you to lock the records in the cursor result set.
You are not required to make changes to the records in order to use this statement.
Student also learns to manage object dependencies and recompilation of invalid objects.
Students learn to create anonymous PL/SQL blocks and are introduced to stored procedures and functions.
You may wish to update records in one table based on values in another table.
Since you can't list more than one table in the Oracle UPDATE statement, you can use the Oracle EXISTS clause.
Students are introduced to the utilization of some of the Oracle-supplied packages.
This course is designed to give students a firm foundation in basic administration of Oracle Database 11g.