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Parameter and Keyword Description:
dynamic_string:
This is a string variable, literal, or expression which represents a SQL statement or the PL/SQL block.
define_variable_name:
This identifies a variable which stores a SELECTED column value.
record_name:
This identifies a user-defined or %ROWTYPE record which stores a SELECTED row.
bind_argument_name:
These identify an expression whose value is passed to the PL/SQL block or dynamic SQL statement.
INTO ...:
This clause, useful only for specifies the variables record, or single-row queries into which the column values are fetched.
USING ...:
This clause specifies the list of bind arguments. If you do not specify the parameter mode, it default to IN. At run time, a few bind arguments in the USING clause substitute the corresponding placeholders in the PL/SQL block or SQL statement.
Define basic operators of relational algebra with an example each
ROWNUM The ROWNUM returns a number representing the order in which a row was selected from the table. The first row selected has a ROWNUM of 1; the second row has a ROWNUM of
ROWID The ROWID returns the rowid (binary address) of a row in the database table. You can use the variables of the type UROWID to store rowids in a readable format. In the il
different lock modes used in the locking system
Keyword and Parameter Description select_statement: This is a query which returns a result set of the rows. Its syntax is such that of select_ into_statement without the IN
Data Types in SQL - Character CHARACTER or, synonymously, CHAR, for character strings. When this type is to be the declared type of something (e.g., a column), the permissible
SQL Functions The PL/SQL uses all the SQL functions involving the following aggregate functions that summarize the whole columns of the Oracle data: GROUPING, AVG, COUNT, STDDE
Character Types The Character types allow you to store alphanumeric data, represent words and text, and manipulate the character strings. CHAR You use the CHAR dataty
Create a procedure named STATUS_SHIP_SP that allows a company to employee in the Shipping Department to update the status of an order to add shipping information. The BB_BASKETSTAT
Example of Table Literal - SQL Example: A Table Literal (correct version) VALUES ('S1', 'C1', 'Anne'), ('S1', 'C2', 'Anne'), ('S2', 'C1', 'Boris'), ('S3', 'C3'
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