fts,ts)::numeric(10,3) As rcd FROM film, to_tsquery('english', 'love & (wait | indian | mad )') AS ts WHERE fts @@ ts AND title > '' ORDER BY r DESC; title | r | rcd ---+---+--- INDIAN LOVE | 0.991
1、DB2的常见SQLCODE所表示负数的含义SQL0007 SQLCODE -07 SQLSTATE 42601Explanation: Character &1 (HEX &2) not valid in SQL statement.SQL0010 SQLCODE -10 SQLSTATE 42603Explanation: String constant beginning &1 not delimited.SQL0029 SQLCODE -29 SQLSTATE 42601Expla nati on: INTO clause missi ng ...
create procedure leave_loop(out counter integer) language sql begin declare v_counter integer; declare v_firstnme varchar(12); declare v_midinit char(1); declare v_lastname varchar(15); declare at_end smallint default 0; declare not_found condition for sqlstate '02000'; declare c1 cursor ...
assertion every none sqlexception at exec numeric sqlstate bit false object sqlwarning blob first off state boolean float only statement
Listing of SQLSTATE valuesThe tables below provide descriptions of SQLSTATE codes that can be returned to applications by DB2® UDB for iSeries™.
一致性定义了在事务处理后将数据点保持在正确状态的规则。这通常是通过一个 SQL 语句完成的,比如 COMMIT 或 ROLLBACK。 隔离使事务的效果在提交之前对其他人不可见,以避免混淆。这是指数据库防止对数据库的多次更改破坏数据库完整性的能力。 持久性确保一旦提交事务,数据更改就变成永久的。这是通过确保在提交事务之...
CHECK (check-condition) provides a shorthand method of defining a check constraint that applies to a single column. For conformance with the SQL standard, if CHECK is specified in the column definition of column C, no columns other than C should be referenced in the check condition of the ch...
SQLUINTEGER *(31ビット) または SQLULEN * (64ビット) 1 pcbColDef 出力 データベースで定義されている列の精度を戻します。 SQLSMALLINT * pibScale 出力 データベースで定義されている列のスケール(SQL_DECIMAL、SQL_NUMERIC、SQL_TYPE_TIMESTAMPにのみ適用) 、および SQL_TYPE_TIMESTAMP_WIT...
CHECK( 约束条件 ) 3.12.6 其他约束除了以上五种标准 SQL 定义的约束,DB2 中还扩展了一些约束,比较常用的有缺省值和标识列。缺省值(Default),又叫做默认值,用于指定某个字段的默认值,当插入数据的时候没有给出值,将使用这个默认值进行填充,它是一个列级别约束,其语法为:...
-- 更多变态级DB2 SQL写法,AnyOneTable表示任意一个存在的表 select 234 from AnyOneTable; select distinct 234 from AnyOneTable; select distinct 234 as 1 from AnyOneTable;select 'DB2变态级的SQL哈哈' from AnyOneTable; select distinct 'DB2变态级的SQL哈哈' from AnyOneTable; ...