This is an introduction to computing so binary arithmetic is a pure mathematics mathematical operation the basic mathematical operation so a banner operation is simply a role for combining Toba values to create a new value the most widely known binary operations are just learned in elementary school so we will not be having … Read more
It’s about array so what is an array in computer programming what I’m going to teach you is about array so it will still use data types so you learn Japanese data type but in some cases, a variable that is declared in an array is totally different from a normal variable to make … Read more
How to connect the database if you want to increase the font size holding crease the font size here in the toolbar right-click properties you can wait for the console you can make it 24 okay that’s it there how do carry the database co-CEO in any connector system/return right that’s a system / … Read more
What is the concept of the bitmap join index? The concept of the bitmap join index in a sense you index a table on a column it doesn’t have right this you can use certain data warehouse but it also worked very well in normalized structures you can use the bitmap join index to denormalize … Read more
Throat approach, so first approach is what go to them our program a kind of waits to see Python do so in Python BAC that we output a cage and the blue is what I did it great to put a big plus oh can I come on come to the back you stretch … Read more
The date functions remember you’re always at a number that’s the number of days you subtract the number you’re subtracting that number of days use that for days hours minutes seconds months weeks if you want months then you do your date likes estate eight months of cyst 8 commas 1 will add 1 … Read more
State function we know date arithmetic how does that work if you subtract two dates if I had a date of September 10th minus September first I get the number of days between them there would be nine days between them assuming it’s the same time okay because it’s a fraction of the times … Read more
A control construction contract, contracting I wanted something where the o/n started in position to see if there’s another example it’s maybe a little bit more useful no that’ll be good we’ll see some others coming up so that’s in string you can find a position of where something starts substring also has multiple … Read more
There’s a length function, so length function gives you the length of a character string okay so you’ve got a length of a character string so I say select star from countries where the length of country name greater than 10 so it’ll only give us country names where the number of characters in … Read more
The implicit conversion does not include time elements so that’s a key thing to remember a lot of people that’s something that gets confused a lot because you would think gee it should be able to convert the time and it doesn’t okay examples are using the functions and in the Select, so I … Read more