Explain oracle 12c new features for developers?

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How to convert csv to table in oracle?

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What is the sql query to concatenate column values from multiple rows in oracle?

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> CREATE OR REPLACE FUNCTION FACTORIAL_1(factstr varchar2 ) 2 RETURN NUMBER AS 3 new_str VARCHAR2(4000) := factstr||'*' ; 4 fact number := 1 ; 5 BEGIN 6 7 WHILE new_str IS NOT NULL 8 LOOP 9 fact := fact * TO_NUMBER(SUBSTR(new_str,1,INSTR(new_str,'*')-1)); 10 new_str := substr( new_str,INSTR(new_str,'*')+1); 11 END LOOP; 12 13 RETURN fact; 14 15 END; explanation Above program?

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The table has 3 columns 4 rows. The output is which column has least null values( A COL SHOULD BE THE OUTPUT) Write the query plz. A B C ---------- 1 NULL 7 2 4 NULL NULL 5 NULL 3 NULL NULL

1 Answers   TCS,

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What is TNS File

7 Answers   Thermotech,

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What are the differences between number and binary_float in oracle?

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Does rowid change in oracle?

1 Answers  

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What are named parameters?

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How to connect to the server with user account: sys?

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Explain what are the type of synonyms?

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Can an Integrity Constraint be enforced on a table if some existing table data does not satisfy the constraint ?

2 Answers  

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