This is one of the most common ways to convert data types in Oracle SQL. The main difference between CAST and TO_NUMBER is thatCAST is ANSI compliant, andTO_NUMBER(along with theother TO_* functions)are Oracle-specific. CAST also works on a wider range of data types, where as there a...
This section describes the PL/SQL data types that are supported in PL/SQL programs. It does not describe the data types supported in TimesTen SQL statements. For information on data types supported in TimesTen SQL statements, see"Data Types"inOracle TimesTen In-Memory Database SQL Reference. Th...
Oracle Data Types(数据类型) 对于有些官方不建议使用的数据类型(如LONG,LONG RAW等)此处不在说明。
Note: Data types vary slightly by DBMS. For instance, columns defined as BLOB data types in Oracle, DB2, and PointBase would be defined as TEXT columns in Microsoft SQL Server and Sybase. Null Value Indicates whether or not null values can be stored for the column. Column Description A det...
LONG Variable-length character data(up to 2G);Oracle推荐不使用此数据类型,推荐使用CLOB、BLOB CLOB Character data(up to 4GB) RAW and LONG RAW Raw binary data BLOB Binary data(up to 4GB) BFILE Binary data stored in an external file(up to 4GB) ROWID A base-64 number system representing the...
Oracle's Timestamp data types enhance the Date data type by including fractional seconds and time zone information. It's range is from January 1, 4712 BC to December 31, 9999 AD. Timestamps come in three different flavors: TIMESTAMP ...
Extended data types are subject to the same rules and restrictions as LOBs. Refer to Oracle Database SecureFiles and Large Objects Developer's Guide for more information. Note that, although you must set MAX_STRING_SIZE = EXTENDED in order to set the size of a RAW data type to greater th...
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Data.OracleClient Assembly: System.Data.OracleClient.dll Specifies the data type of a field or property for use in an OracleParameter. C# Copy public enum OracleType Inheritance Object ValueType Enum OracleType Fields Expand table NameValueDescription BFile 1 An Oracle BFILE data type that...
StorageType String Consumer end types: cls and ckafkaNote: this field may return null, indicating that no valid value can be found. FlowLogStorage FlowLogStorage Information of the consumer, which is returned when the consumer type is ckafka.Note: this field may return null, indicating that ...