C and SQL data types for ODBC and CLI

C and SQL data types for ODBC and CLI

This topic lists the C and SQL data types for ODBC and CLI applications.

C data types for ODBC applications

You can pass the following C data types when you bind result set columns and parameters from ODBC applications.

SQL_C_DEFAULT
SQL_C_CHAR
SQL_C_LONG
SQL_C_SLONG
SQL_C_ULONG
SQL_C_SHORT
SQL_C_SSHORT
SQL_C_USHORT
SQL_C_FLOAT
SQL_C_DOUBLE
SQL_C_BINARY
SQL_C_NUMERIC

C data types for CLI applications

You can pass the following data type values when you bind result set columns and parameters from CLI applications.

SQL_DEFAULT
SQL_CHAR
SQL_INTEGER
SQL_SMALLINT
SQL_FLOAT
SQL_REAL
SQL_DOUBLE

SQL data types for ODBC and CLI applications

You can pass the following SQL data type values when you bind result set columns and parameters from ODBC and CLI applications.

SQL_CHAR
SQL_VARCHAR
SQL_LONGVARCHAR
SQL_INTEGER
SQL_SMALLINT
SQL_FLOAT
SQL_REAL
SQL_DOUBLE
SQL_DECIMAL
SQL_TYPE_DATE
SQL_TYPE_TIME
SQL_TYPE_TIMESTAMP
SQL_TYPE_DATE
SQL_BINARY
SQL_VARBINARY
SQL_LONGVARBINARY

In the Win32 environment, the ODBC 3.x driver manager is required to use the ODBC 3.51 driver. This version of the driver manager automatically supports both 3.x applications and older, pre-3.x applications. Calls to deprecated APIs by older applications are automatically re-mapped to the 3.x APIs.

时间： 2024-10-05 10:50:03

C and SQL data types for ODBC and CLI的相关文章

SQL Server 2008 R2——Data Types

In SQL Server, each column, local variable, expression, and parameter has a related data type. A data type is an attribute that specifies the type of data that the object can hold: integer data, character data, monetary data, date and time data, bina

Data Types

原地址: Home / Database / Oracle Database Online Documentation 11g Release 2 (11.2) / Database Administration Data Types Each value manipulated by Oracle Database has a data type. The data type of a value associates a fixed set of properties with the va

【12c】扩展数据类型（Extended Data Types）-- MAX_STRING_SIZE

[12c]扩展数据类型(Extended Data Types)-- MAX_STRING_SIZE 在12c中,与早期版本相比,诸如VARCHAR2, NAVARCHAR2以及 RAW这些数据类型的大小会从4K以及2K字节扩展至32K字节.只要可能,扩展字符的大小会降低对LOB 数据类型的使用.为了启用扩展字符大小,你必须将MAX_STRING_SIZE的初始数据库参数设置为EXTENDED. 要使用扩展字符类型需要执行以下过程: 1.关闭数据库 2.以升级模式重启数据库3.更改参数: ALT

7.1The ISO SQL Data Type

In this section we introduce the data types defined in the SQL standard. We start by defining what constitutes a vailed identifer in SQL. 7.1.1  SQL Identifiers SQL identifiers are identify objects in the database, such as table names, views names, a

SQL data reader reading data performance test

/*Author: Jiangong SUN*/ As I've manipulated a lot of data using SQL data reader in recent project. And people says it's not good to access the data by column name. So I've made an performance test in reading data from SQL data reader. Firstly, I've

Oracle Schema Objects——Tables——Oracle Data Types

Character Data Types 字符数据类型 Character data types store character (alphanumeric) data in strings. 字符数据类型存储在字符串中的字符 (字母或数字) 数据. The most commonly used character data type is VARCHAR2, which is the most efficient option for storing character data. 最常用的字

高性能MySQL笔记-第4章Optimizing Schema and Data Types

1.Good schema design is pretty universal, but of course MySQL has special implementation details to consider. In a nutshell, it’s a good idea to keep things as small and simple as you can. MySQL likes simplicity, and so will the people who have to wo

【翻译】苹果官网的命名规范之 Naming Properties and Data Types

苹果官方原文:Naming Properties and Data Types 前言:纯属练习英语和学习.翻译错误和不通顺的地方敬请谅解和指正.O(∩_∩)O 属性和数据类型的命名 本节讲述了属性定义.变量.常量.通知和异常的常用命名规范. l 定义属性和变量 一个属性定义会影响该属性的访问方法的定义.所以属性的命名规范大体上和访问器(getter,setter)的命名规范是一致的.如果一个属性是表达一个名词或者动词,那么定义如下: @property(…) type nounOrVerb 例如

VHDL之User-defined data types

VHDL allows the user to define own data types. 1 user-defined integer types -- This is indeed the pre-defined type integer type integer is range -2147483647 to +2147483647; -- indeed the pre-defined type natural type natural is range 0 to +2147483647