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 ...
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 * FROM table WHERE column = 'This is a long string with a single quote ('') that needs to be declared in Oracle query statement multiple times'; 在ORACLE中,也可以使用双引号来声明长字符串。使用双引号声明的字符串被视为标识符,不区分大小写。这在需要保留原始大小写的情况下很有...
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_NAME This function encloses a name in double quotes. ENQUOTE_LITERAL Add leading and trailing single quotes to a string literal. 在执行这些function时,如果传入的变量不满足规定的格式或条件,则会抛异常,从而保护我们自己的procedure不被SQL注入。
Uppercase monospace type is generally used to represent the names of Oracle GoldenGate parameters, commands, and user-configurable functions, as well as SQL commands and keywords. Uppercase in the regular text font indicates the name of a utility unless the name is intended to be a specific ...
Remove unused sequence_name in sql_for_insert [#1861] Use squiggly heredoc to strip odd indentation in the executed SQL [#1869] Use Active Support String#squish instead of String#strip.gsub [#1871] CI Revert "Add allow_railures for jruby-head until #1833 resolved" [#1862] CI against JRu...
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) ...
for i in 1..20000 loop insert into bigtab (mycol) values (dbms_random.string('A',20)); end loop;end;/show errorscommit; In a terminal window use SQL*Plus to run the script: sqlplus pythonhol/welcome@127.0.0.1/orcl@query_arraysize exit . Review the code that is contained in the ...