131. Which view would you use to display the column names and DEFAULT valuesfor a table?A. DBA_TABLE ...
. Examine the data inthe LIST PRICE and MIN PRICE columns of the PRODUCTS table: LIST PRICE MIN PRICE Which two expressionsgive the same output Choose two. A. NVL NULLIF list price, min price , B. NV ...
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131. Which view would you use to display the column names and DEFAULT valuesfor a table?A. DBA_TABLE ...
1. You need to load information about new customers from the NEW_CUST table into the tables CUST and ...
61. Evaluate the following SQL statements that are issued in the given order:CREATE TABLE emp(emp_no ...
OCP 051題庫 1 : OCP-1Z0-051 第1題 CTAS語句建表注意事項 2 : OCP-1Z0-051 第2題 視圖的WITH CHECK OPTION選項 ...
Oracle OCP 19c 認證1Z0-082考試題庫(第1題)-CUUG內部學員版082題庫解析 1. You execute this command: CREATE BIGFILE TABLESPACE big_tbs DATAFILE '/u01/oracle/data ...
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which three are true about scalar subquery expressions? A. They cannot be used in group by clauses. ...
1、在中括號中,判斷變量的值, 加不加雙引號的問題?-z 判斷 變量的值,是否為空; zero = 0 - 變量的值,為空,返回0,為true- 變量的值,非空,返回1,為false-n 判斷變量的值,是否為空 name = 名字- 變量的值,為空,返回1,為false- 變量的值,非空,返回 ...