Is the query below allowed : Select sal, ename Into x From emp Where ename = 'KING' (Where x is a record of Number(4) and Char(15))

ORACLE Interview Questions and Answers (Part 5)

(Continued from previous question...)

45.Is the query below allowed :
Select sal, ename Into x From emp Where ename = 'KING'
(Where x is a record of Number(4) and Char(15))

Yes

(Continued on next question...)

Other Interview Questions

• Is it possible to split the print reviewer into more than one region?
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• How do you switch from an init.ora file to a spfile?
• Explain the difference between a data block, an extent and a segment.
• Give two examples of how you might determine the structure of the table DEPT.
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• Give the reasoning behind using an index.
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• What type of index should you use on a fact table?
• Give two examples of referential integrity constraints.
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• Explain the difference between ARCHIVELOG mode and NOARCHIVELOG mode and the benefits and disadvantages to each.
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• How would you go about generating an EXPLAIN plan?
• How would you go about increasing the buffer cache hit ratio?
• Explain an ORA-01555
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• Explain the use of table functions.
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• How would you force a log switch?
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• What does coalescing a tablespace do?
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• How do you resize a data file?
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• If I have an execute privilege on a procedure in another users schema, can I execute his procedure even though I do not have privileges on the tables within the procedure ?
• What are various types of joins ?
• What is a package cursor ?
• If you insert a row in a table, then create another table and then say Rollback. In this case will the row be inserted ?
• What are the various types of queries ??
• What is a transaction ?
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• Which of the following is not a schema object : Indexes, tables, public synonyms, triggers and packages ?
• What is PL/SQL?
• Is there a PL/SQL Engine in SQL*Plus?
• Is there a limit on the size of a PL/SQL block?
• Can one read/write files from PL/SQL?
• How can I protect my PL/SQL source code?
• ORACLE Interview Questions and Answers (Part 5)
• Oracel Interview Question Only (1)
• Oracel Interview Question Only (2)