Class name Subject Book title Chapter number Content Created at
Class XII Computer Science Computer Science 9 a string and so on. String functions and their usage are shown in Table 9.14. Table 9.14 String Functions Function Description Example with output ...
Class XII Computer Science Computer Science 9 working of string functions. Using the table a) Display customer name in lower case and customer EMPLOYEE from email in upper case from table CUSTO...
Class XII Computer Science Computer Science 9 *, or /) d) Display emails after removing the domain name on date functions? extension “.com” from emails of the customers. mysql> SELECT TRIM(“.co...
Class XII Computer Science Computer Science 9 the day, month number and year of joining of all employees. Activity 9.14 mysql> SELECT DAY(DOJ), MONTH(DOJ), YEAR(DOJ) FROM EMPLOYEE; a) Find sum ...
Class XII Computer Science Computer Science 9 at a time.1. It operates on groups of rows. 2. It returns one result per row. 2. It returns one result for a group of rows. 3. It can be used in Se...
Class XII Computer Science Computer Science 9 total number of records from table INVENTORY having a model as VXI. mysql> SELECT COUNT(*) FROM INVENTORY WHERE Model=”VXI”; +----------+ | COUNT(*...
Class XII Computer Science Computer Science 9 Finance| E007 |659982.00 | 79198.84 | | I00005 | E001 | C0003 | 2018-12-20 | Credit Card | E002 |369310.00 | 44318.20 | | I00006 | S002 | C0002 | 2...
Class XII Computer Science Computer Science 9 than once. mysql> SELECT PaymentMode, Count(PaymentMode) FROM SALE GROUP BY Paymentmode HAVING COUNT(*)>1 ORDER BY Paymentmode; +--------------+---...
Class XII Computer Science Computer Science 9 relations DANCE and MUSIC. The output of UNION operation is shown in Table 9.20. StructuredQueryLanguage(SQL) 169 Reprint 2026-27 n oteS Table 9.20...
Class XII Computer Science Computer Science 9 | | 3 | Lavanya | 7A | | 5 | Abhay | 8A | +------+---------+-------+ 9.10.4 Cartesian Product (X) Cartesian product operation combines tuples from ...
Class XII Computer Science Computer Science 9 2 | Mahira | 6A | 3 | Lavanya | 7A | | 3 | Mohit | 7B | 3 | Lavanya | 7A | | 4 | Sanjay | 7A | 3 | Lavanya | 7A | | 1 | Aastha | 7A | 4 | Sanjay | ...
Class XII Computer Science Computer Science 9 and MUSIC mysql> SELECT * FROM DANCE, MUSIC; As we are using SELECT * in the query, the output will be the Table 9.23 having degree 6 and cardinali...
Class XII Computer Science Computer Science 9 common attribute between the two tables which can be used to fetch the common data from both tables. Hence, we need to define Ucode as foreign key ...
Class XII Computer Science Computer Science 9 the query is same as shown in Table 9.26. In this query we have used JOIN clause explicitly along with condition in From clause. Hence no condition...
Class XII Computer Science Computer Science 9 • In general, N-1 joins are needed to combine N tables on equality condition. • With JOIN clause, we may use any relational operators to combine tu...
Class XII Computer Science Computer Science 9 work on a single row of the table and return a single value. • Multiple Row functions work on a set of records as a whole and return a single value...
Class XII Computer Science Computer Science 9 - 30500 - a) Display all the information from the Movie table. b) List business done by the movies showing only MovieID, MovieName and Total_Earnin...
Class XII Computer Science Computer Science 9 Team Magnet) Row 3: (4, Team Hurricane) f) Show the contents of the table TEAM using a DML statement. g) Now create another table MATCH_DETAILS and...
Class XII Computer Science Computer Science 9 the values for the handkerchief without entering its details in the UNIFORM relation is entered. Make a provision so that the data can be entered i...
Class XII Computer Science Computer Science 9 GROUP BY PName; 8. Using the CARSHOWROOM database given in the chapter, write the SQL queries for the following: a) Add a new column Discount in th...
Class XII Economics Introductory Macroeconomics 1 Chapter 1 Introduction You must have already been introduced to a study of basic microeconomics. This chapter begins by giving you a simplified acc...
Class XII Economics Introductory Macroeconomics 1 category of industrial goods also output of different kinds of goods tend to rise or fall simultaneously. Similarly, prices of different goods and ...
Class XII Economics Introductory Macroeconomics 1 the movements of these variables for all the individual commodities are usually of the same kind as are seen for the aggregates for the economy as ...
Class XII Economics Introductory Macroeconomics 1 this discussion here, and your earlier reading of microeconomics, you may have already begun to understand in what Reprint 2026-27 way macroeconomi...
Class XII Economics Introductory Macroeconomics 1 the government, corporation, banks which also take different economic decisions like how much to spend, what interest rate to charge on the credits...