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全部博文（487）
发布时间：2019-10-30 13:05:01
The PRODUCT_INFORMATION table has a UNIT_PRICE column of data type NUMBER(8, 2).SELECT TO_CHAR(unit_price,'$9,999') FROM Product_intormation;A) A row whose UNIT_PRICE column contains the value 1023.99 will be displayed as $1,024.C) A row whose UNIT_PRICE column contains the value 10235.........【阅读全文】
发布时间：2019-10-30 11:21:45
The INVOICE table has a QTY_SOLD column of data type NUMBER and an INVOTCE_DATE column of data type DATEWhich two are true about data type conversions involving these columns in query expressions?B) qty_sold =' 05549821 ' : requires explicit conversionD) qty_sold BETWEEN '101' AND '110.........【阅读全文】
发布时间：2019-10-28 16:57:13
Which two statements are true about the WHERE and HAVING clouses in a SELECT statement?B) WHERE and HAVING clauses can be used In the same statement only if applied to dfferent table columns.D) Aggregating functions and columns used in HAVING clauses must be spectfied in thes SELECT list o.........【阅读全文】
发布时间：2019-10-28 16:19:47
Examine this business rule:You must desion an Entity Relationsep (ER) model for optional data storage and allow generating reports in this format:Which two statements are true?B) The ER must have a many-to-many relationship between the STUDENTS and PROJECTS entities that must be resolv.........【阅读全文】
发布时间：2019-10-25 14:59:53
Examine this partial command:cust_id NUMBER(2),)Which two clauses are required for this command to execute successfully?B) the REJECT LIMIT clauseD) the ACCESS PARAMETERS clauseAnswer：AD......【阅读全文】
