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Database PL/SQL Language Reference, 11g Release 2 (11.2)

NULL Statement

NULL StatementThe NULL statement is a ''no-op\" (no operation)—it only passes control to the next statement. Note … : The NULL statement and the BOOLEAN value NULL are not related. Topics Syntax Examples Related … -31, \"GOTO Statement Goes to Labeled NULL Statement\" Example 4-34, \"NULL Statement Showing No

Database SQL Language Reference, 11g Release 2 (11.2)

Null Conditions

Null ConditionsA NULL condition tests for s. This is the only condition that you should use to test for s … . _condition::= Description of the illustration ''_condition.gif'' Table 7-9 lists the conditions.

Database SQL Language Reference, 11g Release 2 (11.2)

Null Conditions

Table 7-9 Null ConditionType of Condition Operation Example IS [NOT] NULL Tests for s. See Also: \"Nulls\" SELECT … last_name FROM employees WHERE commission_pct IS NULL ORDER BY last_name;

Database PL/SQL Language Reference, 11g Release 2 (11.2)

PL/SQL Control Statements

NULL StatementThe NULL statement only passes control to the next statement. Some languages refer to such an … instruction as a no-op (no operation). Some uses for the NULL statement are: To provide a target for a … -36 In Example 4-34, the NULL statement emphasizes that only salespersons receive commissions … . Example 4-34 NULL

Database PL/SQL Language Reference, 11g Release 2 (11.2)

PL/SQL Language Fundamentals

NOT NULL ConstraintYou can impose the NOT NULL constraint on a scalar variable or constant (or scalar component of a … composite variable or constant). The NOT NULL constraint prevents assigning a value to the item … variable declaration that specifies NOT NULL, either implicitly or explicitly, must assign an … initial value to

Database SQL Language Reference, 11g Release 2 (11.2)

Single-Row Functions

NULL-Related FunctionsThe NULL -related functions facilitate handling. The NULL -related functions are: COALESCE LNNVL NANVL NULLIF NVL NVL2

Database PL/SQL Language Reference, 11g Release 2 (11.2)

PL/SQL Collections and Records

Assigning NULL to Record VariableAssigning the value NULL to a record variable assigns the value NULL to each of its fields. This … NULL. Example 5-50 prints the fields of a record variable (one of which is a record) before and … after assigning NULL to it. Example 5-50 Assigning NULL to Record Variable DECLARE TYPE age_rec IS

Data Provider for .NET Developer's Guide, 11g Release 2 (11.2)

OracleDecimal Structure

NullThis static field represents a value that can be assigned to an OracleDecimal instance … . Declaration // C# public static readonly OracleDecimal Null; See Also: \"Oracle.DataAccess.Types Namespace\" OracleDecimal Members OracleDecimal Structure

Data Provider for .NET Developer's Guide, 11g Release 2 (11.2)

OracleTimeStamp Structure

NullThis static field represents a value that can be assigned to an instance of the … OracleTimeStamp structure. Declaration // C# public static readonly OracleTimeStamp Null; See Also

Data Provider for .NET Developer's Guide, 11g Release 2 (11.2)

OracleDate Structure

NullThis static field represents a value that can be assigned to the value of an OracleDate … instance. Declaration // C# public static readonly OracleDate Null; See Also: \"Oracle.DataAccess.Types Namespace\" OracleDate Structure OracleDate Members

Data Provider for .NET Developer's Guide, 11g Release 2 (11.2)

OracleClob Class

NullThis static field represents a value that can be assigned to the value of an OracleClob … instance. Declaration // C# public static readonly OracleClob Null; See Also: \"Oracle.DataAccess.Types Namespace\" OracleClob Class OracleClob Members

Data Provider for .NET Developer's Guide, 11g Release 2 (11.2)

OracleTimeStampTZ Structure

NullThis static field represents a value that can be assigned to an instance of the … OracleTimeStampTZ structure. Declaration // C# public static readonly OracleTimeStampTZ Null; See Also

Data Provider for .NET Developer's Guide, 11g Release 2 (11.2)

OracleIntervalYM Structure

NullThis static field represents a value that can be assigned to an OracleIntervalYM instance … . Declaration // C# public static readonly OracleIntervalYM Null; See Also: \"Oracle.DataAccess.Types

Data Provider for .NET Developer's Guide, 11g Release 2 (11.2)

OracleBinary Structure

NullThis static field represents a value that can be assigned to an instance of the OracleBinary … structure. Declaration // C# public static readonly OracleBinary Null; See Also

Data Provider for .NET Developer's Guide, 11g Release 2 (11.2)

OracleBFile Class

NullThis static field represents a value that can be assigned to the value of an OracleBFile … instance. Declaration // C# public static readonly OracleBFile Null; See Also: \"Oracle.DataAccess.Types Namespace\" OracleBFile Class OracleBFile Members

Data Provider for .NET Developer's Guide, 11g Release 2 (11.2)

OracleString Structure

NullThis static field represents a value that can be assigned to an instance of the OracleString … structure. Declaration // C# public static readonly OracleString Null; See Also

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OracleRef Class

NullThis static field represents a value that can be assigned to an OracleRef instance … . Declaration // C# public static readonly OracleRef Null; See Also: \"Oracle.DataAccess.Types Namespace\" OracleRef Class OracleRef Members

Data Provider for .NET Developer's Guide, 11g Release 2 (11.2)

OracleBlob Class

NullThis static field represents a value that can be assigned to the value of an OracleBlob … instance. Declaration // C# public static readonly OracleBlob Null; See Also: \"Oracle.DataAccess.Types Namespace\" OracleBlob Class OracleBlob Members

Data Provider for .NET Developer's Guide, 11g Release 2 (11.2)

OracleTimeStampLTZ Structure

NullThis static field represents a value that can be assigned to an instance of the … OracleTimeStampLTZ structure. Declaration // C# public static readonly OracleTimeStampLTZ Null; See Also

Data Provider for .NET Developer's Guide, 11g Release 2 (11.2)

OracleIntervalDS Structure

NullThis static field represents a value that can be assigned to an OracleIntervalDS instance … . Declaration // C# public static readonly OracleIntervalDS Null; See Also: \"Oracle.DataAccess.Types





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