cnblogs_5359

摘要： Choose two Which two statements are true about transactions in the Oracle Database serve? A) An uncommitted transaction commits automatically if the u 阅读全文

摘要： Choose two Which two statements are true about transactions in the Oracle Database serve? A) An uncommitted transaction commits automatically if the u 阅读全文

摘要： choose two In the PROMOTIONS table, the PROMO_BEGTN_DATE columm is of datatype DATE and the default date format is DD-MON-RR. Which two statements are 阅读全文

摘要： Choose two The PRODUCT_INFORMATION table has a UNIT_PRICE column of data type NUMBER(8, 2). Evaluate this SQL statement: SELECT TO_CHAR(unit_price,'$9 阅读全文

摘要： Choose two The INVOICE table has a QTY_SOLD column of data type NUMBER and an INVOTCE_DATE column of data type DATE NLS_DATE_FORMAT is set to DD-MON-R 阅读全文

摘要： Choose two Which two statements are true about the WHERE and HAVING clouses in a SELECT statement? A) The WHERE clause can be used to exclude rows aft 阅读全文

摘要： choose two Examine this business rule: Each studert can work on mutiple projects and eath project can have multiple students You must desion an Entity 阅读全文

摘要： Choose two. Examine this partial command: CREATE TABLE cust ( cust_id NUMBER(2), credit_ limit NUMBER(10) ) ORGANIZATION EXTERNAL Which two clauses ar 阅读全文

摘要： Choone three Examine the description of the PRODUCTS table: Name Null? Type PRODUCT_ID NOT NULL NUMBER(2) PRODUCT_NANE VARCHAR2(10) UNIT_PRICE NUMBER( 阅读全文

摘要： Choose two. Examine this SQL statement: UPDATE orders o SET customer_name = (SELECT cust_last_name FROM customers WHERE customer_id=o.customer_id); Wh 阅读全文