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If the application is running very slow? At what points you need to go about the database in order to improve the performance?
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Explaint the nvl2 function
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what is place holder column? where we can use other than formula column?
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What is the difference between groupby and orderby?
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What is the process of upgrading oracle forms /reports from older version to new versions?
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List out differences between Oracle Server 9i and Oracle Server 10g.
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Explain truncate with restore option with example
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How to get a calender in date field in oracle forms?
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I have a server with 2GB RAM.Who is the optimal size for the shared pool size The shared pool reserved size is 1/10 to shared pool size Is there a mathematic type for compute the shared pool size ?
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I want to know that..is there any special way to login into oracle SQL*PLUS Editor directly..Rather than every time u have enter user,password,host string...what should i do with login.sql script.. i Put it in /Bin directory..but not working..
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Explaint the nvl2 function
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When transporting a tablespace from one database to another, it should be a. Read-only. b. Offline. c. Online. d. Tablespace status does not matter.
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Which NLS parameter can be specified only as an environment variable? a. NLS_LANGUAGE b. NLS_LANG c. NLS_TERRIROTY d. NLS_SORT
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Which parameter in the export file is used to specify a structure –only export (no rows)? a. ROWS b. TABLE c. NODATA d. DIRECT
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What does the parameter DIRECT=Y in the export parameter file signify? a. When exporting table data, bypass the SQL buffer cache and read the data blocks directly form the disk to the export file. b. When exporting table data, bypass the SQL processing layer and read data from disk to the buffer cache, and copy them directly to the export files c. When importing data using the export file create, write data blocks directly to the file, rather than going through the buffer. d. To perform a direct import, the export file must be created sing the direct method.
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Choose the statement that is not true. Direct-path load a. Disables insert triggers on the table and enables them after the load completes. b. Disables referential integrity constraints and enables them after the load completes. c. Disables unique constraints and enables them after the load completes. d. Does not disable any constraints or triggers.
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Which utility would you use to refresh the test table with production data? a. SQL*Loader conventional path b. SQL * Loader direct path c. Export/import d. SQL * Plus direct-load insert
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