Divide time into Morning , After noon , Evening and Night Do I need to INCLUDE the primary key in an index or not? Do not select the last row Does anyone know how to find a period character in a string? Does case sensitivity affect variable names in stored procedures of case sensitive...
SQL_CCS_CREATE_CHARACTER_SETSQL_CCS_COLLATE_CLAUSESQL_CCS_LIMITED_COLLATIONSQL-92 完全符合層級的驅動程式一律會傳回所有支持的選項。 “0” 的傳回值表示 不支援 CREATE CHARACTER SET 語句。 SQL_CREATE_COLLATION 3.0 SQLUINTEGER 位掩碼,列舉 CREATE COLLATION 語句中的 子句,如數據源支援的 SQL-92 中所...
SQL_CCS_CREATE_CHARACTER_SETSQL_CCS_COLLATE_CLAUSESQL_CCS_LIMITED_COLLATIONSQL-92 完全符合層級的驅動程式一律會傳回所有支持的選項。 “0” 的傳回值表示 不支援 CREATE CHARACTER SET 語句。 SQL_CREATE_COLLATION 3.0 SQLUINTEGER 位掩碼,列舉 CREATE COLLATION 語句中的 子句,如數據源支援的 SQL-92 中所...
SQL语句大全 –语 句功能 –数据操作 SELECT –从数据库表中检索数据行和列 INSERT –向数据库表添加新数据行 DELETE –从数据库表中删除数据行 UPDATE –更新数据库表中的数据 -数据定义 CREATE TABLE –创建一个数据库表 DROP TABLE –从数据库中删除表 ALTER TABLE –修改数据库表结构 CREATE VIEW –创建...
KINESIS_RECORD_SEQ_NUMBER_ORDER_VIOLATION、MALFORMED_CHARACTER_CODING、PS_FETCH_RETRY_EXCEPTION、PS_INVALID_KEY_TYPE、PS_INVALID_UNSAFE_ROW_CONVERSION_FROM_PROTO、PS_MOVING_CHECKPOINT_FAILURE、PS_MULTIPLE_FAILED_EPOCHS、PS_OPTION_NOT_IN_BOUNDS、PS_UNABLE_TO_PARSE_PROTO、STAGING_PATH_CURRENTLY_...
当创建了数据库之后,下一步就需要设计数据库对象。SQL Server能够创建多种数据库对象,如表、索引、视图、存储过程、游标、触发器等。本章将对其基础知识、相关的操作进行详细介绍。 本章主要内容: l表 l索引 l视图 l存储过程 l游标 l触发器 1表 本节我们介绍数据表的基础知识,以及一些基本的操作:创建、修改、...
Specify a parameter name by using an at sign (@) as the first character. The parameter name must comply with the rules for identifiers. Parameters are local to the function; the same parameter names can be used in other functions. Parameters can take the place only of constants; they can...
What is the character set of the third-party database? What source applications are affected by migrating the third-party database to an Oracle database? What is the third-party application language? What version of the application language are you using?
tests have completed.--post-system=namesystem()string to execute after tests have completed.--pre-query=name Query to run or file containing query to execute before running tests.--pre-system=namesystem()string to execute before running tests.--protocol=name The protocol to useforconnection(tcp...
ERRCODE_STRING_DATA_RIGHT_TRUNCATION 字符串右截断,多发生于VARCHAR字段的实际值超过了建表时VARCHAR指定的长度。 value too long for type character varying(xx) 重新建表修改VARCHAR字段的长度,或者将字段类型设置为TEXT。 ERRCODE_PROGRAM_LIMIT_EXCEEDED Exceed Odps Scan Limit 超过Hologres允许的上限,通常发生在扫...