What are snap shots and views

What are snap shots and views
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1 Answer

Answer :

Snapshots are mirror or replicas of tables. Views are built using the
columns from one or more tables. The Single Table View can be
updated but the view with multi table cannot be updated
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Related questions

What background process refreshes materialized views?

Description : What background process refreshes materialized views?

Last Answer : The Job Queue Processes.

Explain materialized views and how they are used.

Description : Explain materialized views and how they are used.

Last Answer : Materialized views are objects that are reduced sets of information that have been summarized, grouped, or aggregated from base tables. They are typically used in data warehouse or decision support systems.

What column differentiates the V$ views to the GV$ views and how?

Description : What column differentiates the V$ views to the GV$ views and how?

Last Answer : The INST_ID column which indicates the instance in a RAC environment the information came from.

What are the types of canvas-views?

Description : What are the types of canvas-views?

Last Answer : Content View, Stacked View.

List the built-in routines for the controlling canvas views during run-time?

Description : List the built-in routines for the controlling canvas views during run-time?

Last Answer : Find_canvas Get-Canvas_property Get_view_property Hide_View Replace_content_view Scroll_view Set_canvas_property Set_view_property Show_view Alert

What is relation between the window and canvas views?

Description : What is relation between the window and canvas views?

Last Answer : Canvas views are the back ground objects on which you place the interface items (Text items), check boxes, radio groups etc.,) and boilerplate objects (boxes, lines, images etc.,) that operators interact with us they run your form . Each canvas views displayed in a window.

Explain about stacked canvas views?

Description : Explain about stacked canvas views?

Last Answer : Stacked canvas view is displayed in a window on top of, or "stacked" on the content canvas view assigned to that same window. Stacked canvas views obscure some part of the underlying content canvas view, and or often shown and hidden programmatically.

Explain about horizontal, Vertical tool bar canvas views?

Description : Explain about horizontal, Vertical tool bar canvas views?

Last Answer : Tool bar canvas views are used to create tool bars for individual windows. Horizontal tool bars are display at the top of a window, just under its menu bar. Vertical Tool bars are displayed along the left side of a window

What are the two types of views available in the object navigator(specific to report 2.5)?

Description : What are the two types of views available in the object navigator(specific to report 2.5)?

Last Answer : View by structure and view by type .

Which of the two views should objects according to possession?

Description : Which of the two views should objects according to possession?

Last Answer : view by structure.

How does one get the view definition of fixed views/tables?

Description : How does one get the view definition of fixed views/tables?

Last Answer : Query v$fixed_view_definition. Example: SELECT * FROM v$fixed_view_definition WHERE view_name='V$SESSION';

What are the advantages of views?

Description : What are the advantages of views?

Last Answer : Provide an additional level of table security, by restricting access to a predetermined set of rows and columns of a table. - Hide data complexity. - Simplify commands for the user. - Present the data in a different perspective from that of the base table. - Store complex queries.

What is the difference between normal views and RAC views?

Description : What is the difference between normal views and RAC views?

Last Answer : RAC views has the prefix ‘G’. For example, GV$SESSION instead of V$SESSION

What caused the “cool teacher” to finally snap?

Description : What caused the “cool teacher” to finally snap?

Last Answer : Everyone used his coolness to their advantage and he couldn’t give his class. I was only one of the few who actually wanted to see him teaching.

During this extreme cold snap, are you preparing your house so the pipes don't freeze?

Description : During this extreme cold snap, are you preparing your house so the pipes don't freeze?

Last Answer : I also moved stored bedding, towels, toilet paper rolls and food items away from the outside wall so there is an air gap. I don’t want any water to condense where they are in direct contact with the wall. That can damage the wall and the food.

What is snap chat?

Description : What is snap chat?

Last Answer : Dont mind them using my phone but I wish they would explain these things before they download these gadjets. I’m afraid I’ll throw my phone out of whack if I touch the icon for the thing.

If there is an air bubble inside a wooden log, and the log gets on fire, would that air bubble make the log explode or snap?

Description : If there is an air bubble inside a wooden log, and the log gets on fire, would that air bubble make the log explode or snap?

Last Answer : when air is heated, it expands. Also, moisture. It’s why pop corn pops. It’s why wood snaps and crackles when it’s on fire. There is often sap or air trapped that heats and expands and so, wood cracks and pops when it’s on fire. Science is cool.

Will mouse traps snap on cats?

Description : Will mouse traps snap on cats?

Last Answer : Why not use a humane mouse trap? You can let it loose in a field somewhere. You won’t need to worry about your cats, and you can spare the little bugger’s life.

If you were able to change anything you want with the snap of a finger, what would it be?

Description : If you were able to change anything you want with the snap of a finger, what would it be?

Last Answer : I would make all bad people disappear.

Snap fit calculations?

Description : Snap fit calculations?

Last Answer : Here’s the Snapfit by BASF. It is not an intuitive process.

What are some good recipes using sugar snap peas?

Description : What are some good recipes using sugar snap peas?

Last Answer : Just rinsed, raw and chilled with a good dressing, sesame or ginger or whatever you like, experiment. Mmmm good. They are also great lightly sauteed with water chestnuts, almonds and a little soy sauce..

Is it really impossible to "snap out of" a truly depressed state?

Description : Is it really impossible to "snap out of" a truly depressed state?

Last Answer : You never snap out of an abyss, it just can’t happen.

If a laptop keyboard key lifts up and is ruined to where it won't snap down any longer, replace just the one key or is there a kit of some sort for the whole board?

Description : If a laptop keyboard key lifts up and is ruined to where it won't snap down any longer, replace just the one key or is there a kit of some sort for the whole board?

Last Answer : answer:You can get a wired keyboard for $10 or less these days. If the plastic connector beneath the key is damaged I suppose you could look for replacement parts.. but.. all said and done.. it would probably be cheapest and easiest to just get another keyboard.

What are they snapping when they "snap peas"?

Description : What are they snapping when they "snap peas"?

Last Answer : answer:Yes, I have snapped peas. Fresh pea pods are crunchy and they snap when you flex them to free the peas. FREE THE PEAS!!

What's the practical use of snap, crackle and pop?

Description : What's the practical use of snap, crackle and pop?

Last Answer : answer:I am a novice in this arena but apparently rate of change of acceleration derivatives are more loosely used, less serious derivatives is snap (symbol s), crackle (symbol c) and pop (symbol p) for the 4th, ... Derivative is the jolt.. The 4th is (snap) The 5th is (crackle) The 6th is (pop)

What makes Rice Krispies snap, crackle and pop?

Description : What makes Rice Krispies snap, crackle and pop?

Last Answer : answer:The sound track. Programmed into each of those little rice thingies. Did you really mean this to be a general question? How unfortunate! I wonder if it would be legal to copy a question in ... in the cereal and then they expand and break with those sounds. Now wasn't that exceedingly boring?

What causes the sound (snap) when you snap a towel?

Description : What causes the sound (snap) when you snap a towel?

Last Answer : answer:It is supersonic Traditional simple means of generating shock waves are examined by high-speed imaging. A leather belt is folded upon itself at mid-length and the ends are grasped ... be generated by muscle power alone. Several other related examples are also mentioned. courtesy of NASA

How was it possible for me to snap the bone in my big toe last night without noticing at the time?

Description : How was it possible for me to snap the bone in my big toe last night without noticing at the time?

Last Answer : Maybe you got up in the middle of the night to use the bathroom and stubbed it or hit it on something or stepped on it weird, and don’t remember it today.

Do statistics really show that certain breeds of dogs are more likely to attack or "snap" than other breeds? Or does the media blow this out of proportion?

Description : Do statistics really show that certain breeds of dogs are more likely to attack or "snap" than other breeds? Or does the media blow this out of proportion?

Last Answer : Like many modern breeds, it is impossible to be completely sure of the details of the American Pit Bull Terrier's long history. However, many pit bull enthusiasts believe the origins of the breed can be traced ... the way.. I'm really in awe that you didn't research this before you got the dog.

Google Chrome: Aw Snap Error?

Description : Google Chrome: Aw Snap Error?

Last Answer : Do you insist on having Google Chrome? Use Firefox. It’s a great browser. If GC is causing you problems, don’t use it. It’s not worth fighting it. Use something that works.

As a wis.dm "refugee" I'm having some trouble breaking my questions out of the binary "yes or no" format. Any tips to help snap me out of it?

Description : As a wis.dm "refugee" I'm having some trouble breaking my questions out of the binary "yes or no" format. Any tips to help snap me out of it?

Last Answer : I’m having the same problem.

How would you handle losing a promotion because of an exec's snap judgment?

Description : How would you handle losing a promotion because of an exec's snap judgment?

Last Answer : Sorry you are having to deal with this. How frustrating! I believe you are rightly upset and I would be as well. I think you took the first correct step. You discussed it with your Director. I would then ... this in stride, and that you do have the skills so they won't pass you up next go-around.

Snap crackle POP? Drink more water?

Description : Snap crackle POP? Drink more water?

Last Answer : answer:I think that just happens sometimes. My sister once broke her toe (her PE teacher rolled a trampoline over it!) and it clicks all the time. I've injured my ankles (sprains from sport) and even ... On the off chance you're not American... check it out. http://en.wikipedia.org/wiki/Glucosamine

What makes the snapping sound when you snap your fingers?

Description : What makes the snapping sound when you snap your fingers?

Last Answer : The sound is made from the percussive strike of your fingertip against the base of your thumb.

How much soil do I need in a container to plant sugar snap peas.

Description : How much soil do I need in a container to plant sugar snap peas.

Last Answer : The plant requires at least 6" of soil to fully mature, with a 9" pot leave 2" from the top free of soil, and you will do fine.

can you plant snap peas in june

Description : can you plant snap peas in june

Last Answer : They are usually a cool weather plant....maybe plant again after the summer heat.

How early can I plant pole beans and snap peas in Central Ohio, Zone 6

Description : How early can I plant pole beans and snap peas in Central Ohio, Zone 6

Last Answer : peas should in already..they like it cool, plant beans when the last possible chance of frost has passed.

Is there something that I can do to grow snap peas from seed to help them be healthy

Description : Is there something that I can do to grow snap peas from seed to help them be healthy

Last Answer : Need Answer

How do you freeze sugar snap peas?

Description : How do you freeze sugar snap peas?

Last Answer : Right after harvest, it is best to clean the snap peas, then when partially dry (not fully dry but not dripping with water either), place them is a paper bag then into the freezer. The paper ... peas a little room to expand and breath during the process, this will ensure a tasty meal when thawed.

Do you cut back snap dragons to get them to re-bloom

Description : Do you cut back snap dragons to get them to re-bloom

Last Answer : I cut them back to ground level any come back with new spikes of flowers.

Can I freeze snow peas and snap peas?

Description : Can I freeze snow peas and snap peas?

Last Answer : Yes, but you will need to usew paper and not plastic.

why is the bottom of my snap peas all dead and dried?

Description : why is the bottom of my snap peas all dead and dried?

Last Answer : Need Answer

the cold snap made all my azealas turn light brown are they dead and what do i do to remody the problem

Description : the cold snap made all my azealas turn light brown are they dead and what do i do to remody the problem

Last Answer : nothing that you can do they only bloom once a year.....they should come back next spring. Next year when they bloom and they say frost.............cover them and remove the cover after the sun comes up.

Will sugar snap Pea plants cling to and climb a trellis on their own?

Description : Will sugar snap Pea plants cling to and climb a trellis on their own?

Last Answer : Need Answer

Why did Snap, Crackle and Pop get scared? -Riddles

Description : Why did Snap, Crackle and Pop get scared? -Riddles

Last Answer : They heard there was a cereal killer on the loose.

Morgan's father has three sons : Snap, Crackle and who? -Riddles

Description : Morgan's father has three sons : Snap, Crackle and who? -Riddles

Last Answer : Did you say Pop? Try Morgan.

David's father has three sons: Snap, Crackle, and _____? -Riddles

Description : David's father has three sons: Snap, Crackle, and _____? -Riddles

Last Answer : David.

Kate’s mother has three children: Snap, Crackle and ___? -Riddles

Description : Kate’s mother has three children: Snap, Crackle and ___? -Riddles

Last Answer : kate is the answer

David’s parents have three sons: Snap, Crackle and…? -Riddles

Description : David’s parents have three sons: Snap, Crackle and…? -Riddles

Last Answer : answer:

David’s parents have three sons: Snap, Crackle are the names of the first 2 children. What’s the name of the third son? -Riddles

Description : David’s parents have three sons: Snap, Crackle are the names of the first 2 children. What’s the name of the third son? -Riddles

Last Answer : David is the name of the third son, as his father has three sons and one of his son is David.