多选题 Which two statements are true regarding the WHERE and HAVING clauses in a SELECT statement? (Choose two.)
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单选题 Which statement is true about the INTERSECT operator used in compound queries?
单选题 The CUSTOMERS table has a CUST LAST NAME column of data type VARCHAR2. The table has two rows whose CUST LAST NAME values are Anderson and Ausson. Which query produces output for CUST LAST NAME containing oder for the first row and Aus for the second?
单选题 You have been tasked to create a table for a banking application. One of the columns must meet three requirements: Be stored in a format supporting date arithmetic without using conversion functions Store a loan period of up to 10 years Be used for calculating interest for the number of days the loan remains unpaid Which data type should you use?
单选题 In the spfile of a single instance database, LOCAL_LISTENER is set to LISTENER_1. The TNSNAMES.ORA file in $ORACLE_HOME/network/admin in the database home contains: Which statement is true?
单选题 NLS_DATE FORMAT is set to DD-MON-YY. Which query requires explicit data type conversion?
单选题 Which is the default column or columns for sorting output from compound queries using SET operators such as INTERSECT in a SQL statement?
单选题 What is true about non-equijoin statement performance?
单选题 Examine the description of the PRODUCTS table: Which query is valid?