简单case语法是 就是实现. decode oracle 特有case when...分数>=60 THEN ‘及格’ ELSE ‘不及格’ END from 成绩表 case 表达式知 when 值1 then 结果道1 when 值2 then 结果2 else 结果3 也有另一种形式回...(qty,sort)values(1,’a’),(2,’b’),(3,’d’),(1,
--简单Case函数 CASE sex WHEN '1' THEN '男' WHEN '2' THEN '女' ELSE '其他' END --Case搜索函数 CASE WHEN sex = '1' THEN '男' WHEN sex = '2' THEN '女' ELSE '其他' END 2. CASE WHEN 在语句中不同位置的用法 2.1 SELECT CASE WHEN 用法 代码语言:javascript 代码运行次数:0 运行...
DECODE is considered the most powerful function in Oracle. Oracle 8i release introduced the CASE expression. The CASE expression can do all that DECODE does plus lot of other things including IF-THEN analysis, use of any comparison operator and checking multiple conditions, all in a SQL query i...
||CASE WHEN BITAND(time_model, POWER(2, 16)) = POWER(2, 16) THEN 'CURSOR_CLOSE ' END ||CASE WHEN BITAND(time_model, POWER(2, 17)) = POWER(2, 17) THEN 'SEQUENCE_LOAD ' END ||CASE WHEN BITAND(time_model, POWER(2, 18)) = POWER(2, 18) THEN 'INMEMORY_QUERY ' END ||CAS...
expdp GISDATA/GISDATA@localhost/orcl directory=dmp dumpfile=expdp.dmp Tables=test query='WHERE id<20' logfile=expdlog.log; 5、按表空间导 expdp GISDATA/GISDATA directory=dmp dumpfile=expdp.dmp TABLESPACES=GIDDATA,YWDATA logfile=expdlog.log; ...
WHEN en THEN rn [ ELSE r_else ]ENDCode language:SQL (Structured Query Language)(sql) In this syntax, Oracle compares the input expression (e) to each comparison expression e1, e2, …, en. If the input expression equals any comparison expression, theCASEexpression returns the corresponding re...
'||CURRENT_VALUE;ENDIF;ELSECONDITIONS :=CONDITIONS||' = '||ALIAS||'.'||CURRENT_VALUE||' ';ENDIF;--循环值减1SIGNS :=SIGNS-1;ENDLOOP;--拼接关联SQLTARGET_RESULTS :=TARGET_RESULTS||'LEFT JOIN (SELECT DISTINCT '||QUERY_ITEMS||','||TEMP.QUERY_CONTENT||' AS A'||TEMP.ID||' FROM ...
when no_data_found then raise_application_error(-20001,'该雇员不存在!'); end; / DECLARE v_empno emp.empno%type:=7788; v_ename emp.ename%type; v_sal emp.sal%type; BEGIN proc_query_emp(v_empno,v_ename,v_sal); dbms_output.put_line(v_ename||' '||v_sal); ...
Return the SQL for this fragment. This contains no validation - if the implementation is incomplete it will just return what it has. Error checking of fragments should be done using a SQLQueryBuilder. Returns: a string representing the SQL text for this object....
Error checking of fragments should be done using a SQLQueryBuilder. Returns: a string representing the SQL text for this object.Skip navigation links Overview Package Class Use Tree Deprecated Index Help Oracle Fusion Middleware Java API Reference for Oracle Extension SDK12c (12.2.1.2.0)E76725...