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...
Oracle provides powerful tools you can use to create, store, change, retrieve, and maintain information in an Oracle database. But if you use Oracle tools such as SQL*Plus to modify Oracle Applications data, you risk destroying the integrity of your data and you lose the ability to audit ...
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; 默认是逗号分隔符,通过 field参数指定分隔符; 例如...
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!]'...
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 ...
ENQUOTE_LITERAL 引用字符串文字 ENQUOTE_NAME 确保字符串用引号括起来,然后检查结果是否为有效的SQL标识符。 QUALIFIED_SQL_NAME 验证输入字符串是否为合格的SQL名称 SCHEMA_NAME 验证输入字符串是否为现有模式名称 SIMPLE_SQL_NAME 验证输入字符串是否为简单的SQL名称 SQL_OBJECT_NAME 验证输入参数字符串是现有SQL对象...
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; ...
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 ...
Cnt pls_integer := 1000; onceCnt pls_integer :=2000; begin for i in 1 .. batchCnt loop insert into test.t2 select test.t1_seq.nextval, dbms_random.string('A',32),dbms_random.string('A',128), sysdate from dual connect by level <= onceCnt; commit; end loop; end; / SQL> ...
There are three kinds of strings in PL/SQL: Fixed-length strings. The string is right-padded with spaces to the length specified in the declaration. (See ”Declaring String Variables,” to see padding in action.) Variable-length strings. A maximum length for the string is sp...