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Cursors, PL-SQL Programming
What is Cursors how to use it in Real time application ?
Posted Date: 10/1/2012 4:37:24 PM | Location : United States
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Varrays versus nested tables, Varrays versus Nested Tables The Nested ta...
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Restriction in sql, Restriction in SQL Syntax: SELECT DISTINCT...
Restriction in SQL Syntax: SELECT DISTINCT StudentId FROM IS_CALLED WHERE Name = 'Boris' The WHERE clause operates on the result of the FROM clause in analogo
In packages - subprograms, In Packages The Forward declarations also g...
In Packages The Forward declarations also group logically related subprograms in the package. The subprogram specifications go in the package specification, & the subprogram b
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Avoid the NOT NULL Constraint In the PL/SQL, using the NOT NULL constraint incur a performance cost. Consider the illustration as shown below: PROCEDURE calc_m IS m NUMB
Bulk binds advantages, Bulk Binds advantages In the Embedded Oracle RDB...
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Parameter and Keyword Description: select_item: This select_item is a value returned by the SELECT statement, and then assigned to the equivalent variable or field in the
Using host arrays - bulk bind performance improvement, Using Host Arrays ...
Using Host Arrays The Client-side programs can use anonymous PL/SQL blocks to bulk-bind input and output host arrays. However, this is the well-organized way to pass the colle
Effects of null for multiple assignments - sql, Effects of NULL for Multipl...
Effects of NULL for Multiple Assignments - SQL If the row expression given as the source for a multiple assignment evaluates to NULL, then NULL is assigned to each target. If
Join query, Using a join on 3 tables, select 5 columns and 10 rows from the...
Using a join on 3 tables, select 5 columns and 10 rows from the 3 tables without the use of a Cartesian product Query: SELECT E.LAST_NAME, E.FIRST_NAME, S.BUILDING, S.BRAN
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