ORA-17033 Malformed SQL92 string at position 出现格式不正确的 SQL92 串。 ORA-17034 Non supported SQL92 token at position 出现不支持的 SQL92 标记。 ORA-17035 Character Set Not Supported !! 不支持的字符集 !! ORA-17036 exception in OracleNumber OracleNumber 中的异常。 ORA-17037 Fail to convert...
Source_string指定源字符表达式;pattern指定规则表达式;replace_string指定用于替换的字符串;position指定起始搜索位置;occurtence指定替换出现的第n个字符串;match_parameter指定默认匹配操作的文本串。 其中replace_string,position,occurtence,match_parameter参数都是可选的。 9.2 REGEXP_SUBSTR REGEXP_SUBSTR(source_string...
其9代表:如果存在数字则显示数字,不存在则显示空格 其0代表:如果存在数字则显示数字,不存在则显示0,即占位符。 其FM代表:删除如果是因9带来的空格,则删除之 select to_char(sysdate,'FMDay,HH24:MI:SS') from dual select to_char(12,'9990999.9') from dual 5.Oralce中 to_char(日期型值,格式参数)用法...
Returns 1 because an empty substring is considered to be found at the first positionExplanation:This SQL query is designed to find the position of the first space character ' ' in the string 'THIS IS THE THING'. The INSTR function is utilized here, which searches for the specified ...
简介:标签PostgreSQL , Oracle , nchar , nvarchar , ntext , ms sql , sybase , unicode character , utf8背景在Oracle, MS SQL, SYBASE数据库引擎中,有一些这样的字符串类型nchar , nvarchar , ntext。 标签 PostgreSQL , Oracle , nchar , nvarchar , ntext , ms sql , sybase , unicode character , ...
string decode(binary bin, string charset) binary encode(string src, string charset) 编码和解码用的,用于支持hive特有的binary类型 (其实oracle和impala也有DECODE,但作用完全不同,见条件函数中的DECODE) FIND_IN_SET find_in_set(string str, string strList) strList是用’,’分割的一组string,该函数将...
Oracle 数据类型默认SQL Server 数据类型 bfile varbinary(max) binary_double float[53] binary_float float[53] blob varbinary(max) char char char varying[*..*] varchar[*] char[*..*] char[*] character char character varying[*..*] varchar[*] character[*..*] char[*] Clob varc...
Oracle 資料類型預設SQL Server 資料類型 Bfile varbinary(max) binary_double float[53] binary_float float[53] blob varbinary(max) char char char varying[*..*] varchar[*] char[*..*] char[*] character char character varying[*..*] varchar[*] character[*..*] char[*] CLOB...
SQL*Plus prompts for this alias as the "Host String" parameter when you log in. Select the network protocol Select the appropriate protocols you would like to support. Most applications use TCP. Specify the host information to identify the database listener The host is the name or DNS alias...
The Oracle specific PL/SQL code generated for functions, procedures, packages and triggers has to be reviewed to match the PostgreSQL syntax. You will find some useful recommendations on porting Oracle PL/SQL code to PostgreSQL PL/PGSQL at "Converting from other Databases to PostgreSQL", section...