SQL Server does not pad the two values to the same length before the comparison occurs. Because the purpose of the LIKE predicate, by definition, is to facilitate pattern searches rather than simple string equality tests, this does
适用于Oracle的SQL Compare-Like工具是一种用于比较和同步Oracle数据库结构的工具。它可以帮助开发人员在不同的开发环境中进行数据库结构的同步,提高开发效率和减少出错的可能性。 以下是一些常见的SQL Compare-Like工具: Redgate - SQL Compare for Oracle:这是一款功能强大的Oracle数据库比较和同步工具,可以帮助开发人...
SQL Server does not pad the two values to the same length before the comparison occurs. Because the purpose of the LIKE predicate, by definition, is to facilitate pattern searches rather than simple string equality tests, this does
当把存储过程中输入的字符类型改为NVARCHAR2时,直接执行动态SQL语句出现错误,必须定义一个中间字符串才行(VARCHAR2类型)。 如下列PL/SQL代码: v_sql_statementvarchar2(500);--执行的SQL语句v_sql_statement:='UPDATE'||v_tablename||'SET MIN05='||i_min05||',AVG05='||i_avg05||',MAX05='||i_m...
LPAD/RPAD(string1,x[,string2]):在string1字符左边或右边粘贴数个string2字符,直到字符总字节数达到x字节。string2默认为空格。 代码语言:javascript 代码运行次数:0 运行 AI代码解释 select lpad(rpad('111111',10,'*'),17,'*') NAME from dual; --结果:***111111*** REGEXP_REPLACE(str1,pattem[,s...
The string 'Johnson' matches the pattern 'J%s_n' but not 'J%S_N', as this example shows. DECLAREPROCEDUREcompare(valueVARCHAR2,patternVARCHAR2)ISBEGINIFvalueLIKEpatternTHENDBMS_OUTPUT.PUT_LINE('TRUE');ELSEDBMS_OUTPUT.PUT_LINE('FALSE');ENDIF;END;BEGINcompare('Johnson','J%s_n');compare(...
0 < n < 256 for Microsoft SQL Server or Sybase Adaptive Server. 0 < n < 8000 for Microsoft SQL Server 7.0. CHAR(n) Pro*C client programs must use mode=ansi to have characters interpreted correctly for string comparison, mode=oracle otherwise. A CHAR data type with a range of 2001 to...
K-DB不仅支持 ANSI标准 SQL语法,还支持 Oracle非标准语法,从而实现了对于原有应用的方便迁移,提升了用户的便利性。 SQL支持 K-DB支持 200多个内建函数,并与 Oracle函数名称保持一致,包括:Math Function、String Function、DATE Function、Compare Function、Convert Function、Encode/Decode Function、Large Object Funct...
checkMe.sql: 总检查脚本,检查目标数据库中的兼容性对象是否需要升级 flush_privileges.sql: 权限刷新脚本,将兼容性对象的使用权限授予全部用户 uninstall.sql: 卸载脚本,用于移除 compat-tools 创建的一系列兼容性相关对象 Oracle_Views.sql: Oracle数据库兼容性数据字典及视图 ...
OracleSQLQuery() Deprecated. Method Summary Methods inherited from class oracle.javatools.db.sql.SQLQuery addFromObject,addFromObject,addOrderByObject,addOrderByObject,addSelectObject,addSelectObject,appendFromSQL,appendSelectSQL,clearQueryString,getDistinctSource,getFromObjects,getGroupByObject,getHierarchicalQue...