在oracle数据库中,如果要插入字符串中包含特殊字符(如单引号),需要使用转义字符来处理,例如: insert into table_name (column1, column2) values ('This is a string with '' single quote', 'This is another string with '' single quote'); 上面的语句中,两个字符串中都包含单引号,但是使用了转义字符(...
分隔符中括起来的字符串中可以包含单/双引号,不用再转义。类似Python中的raw字符串: 官方解释:Use The Quote(q) operator and delimiter to allow the use of a single quotation mark with the literal character string in the SELECT clause. --- 单引号 select q'[I'm a String!]' from dual; select...
分隔符中括起来的字符串中可以包含单/双引号,不用再转义。类似python中的raw字符串: 官方解释:UseThe Quote(q) operatoranddelimitertoallow theuseofa single quotation markwiththeliteralcharacterstringintheSELECTclause. --- 单引号selectq'[I'm a String!]' from dual; select q'[I'''m a String!]'...
select dbms_assert.enquote_literal('tbase''') from dual; ERROR: numeric or value error select dbms_assert.enquote_name('TBase') from dual; select dbms_assert.qualified_sql_name('create table') from dual; ERROR: string is not qualified SQL name select dbms_assert.schema_name('TBASE') fr...
sql = SQL file name query = select statement field = separator string between fields record = separator string between records rows = print progress for every given rows (default, 1000000) file = output file name(default: uldrdata.txt) ...
Default: output.sql in running directory. -O | --options : Used to override any configuration parameter, it can be used multiple time. Syntax: -O "PARAM_NAME=value" -p | --plsql : Enable PLSQL to PLPGSQL code conversion. -P | --parallel num: Number of parallel tables to extract ...
Microsoft SQL Server User-Defined Data Types 2.1.3.1.1 DATETIME Data Types The date/time precision in Microsoft SQL Server is 1/300th of a second. Oracle has the data type TIMESTAMP which has a precision of 1/100000000th of a second. Oracle also has a DATE data type that stores date...
COMMON_PARSER NO 共通のSQL・フロント・エンドを使用して解析します。 COMP5 YES COMP変数ではなくCOMP-5を生成します。 COMP_CHARSET={MULTI_BYTE | SINGLE_BYTE} MULTI_BYTE C/C++コンパイラでサポートされるキャラクタ・セットの種類 CONFIG=filename ユーザー構成ファイルの名前 ...
sql = SQL file name query = select statement (选择语句;query参数如果整表导出,可以直接写表名,如果需要查询运算和where条件,query=“sql文本”,也可以把复杂sql写入到文本中由query调用) field = separator string between fields ( 设置导出文件里的分隔符; ...
The underscore character needs to appear in quotes, and the backslash is used before each of the quotes to escape those quotes (because the entire string appears within a set of double quotes).exec_sql.sh. As mentioned earlier, it is possible to query the database from a shell script ...