Which SQL statement will discard both update and delete operations after executing the below SQL statements. Savepoint C1 Delete from hosp Savepoint C2 update hosp set place='Muscat' O a. Rollback to savepoint C2 O b. Rollback to savepoint C1 O c. Rollback O d. Commit
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- Which of the following is a valid SQL statement? SELECT * WHERE amid = ‘J100’ FOR UPDATE; INSERT INTO homeworkl0 VALUES (SELECT * FROM acctmanager); DELETE amid FROM acctmanager; rollback; all of the aboveWhich of the following statements deletes all rows in the HOMEWORK10 table? a. DELETE FROM homework10; b. DELETE . FROM homework10; c. DELETE FROM homework10; d. DELETE FROM homework10 WHERE amid = ; e. Both c and d delete all rows in the HOMEWORK10 table.Which of the following is true? All data in a table can be recovered if the table is dropped with the PURGE option. All data in a table can be recovered from the recycle bin if the table is dropped. All data in a table is lost if the table is dropped. All of the above statements are true.
- Which of the following is a correct statement?a. A commit is issued implicitly when a user exits SQL Developer or SQL*Plus.b. A commit is issued implicitly when a DDL command is executed.c. A commit is issued automatically when a DML command is executed.d. All of the above are correct.e. Both a and b are correct.f. Both a and c are correctWhich of the following statements retrieves data from the Friends database and stores it in the FriendsDataSet?a. Me.FriendsDataSet.Fill(Friends.accdb)b. Me.TblNamesBindingSource.Fill(Me.FriendsDataSet)c. Me.TblNamesBindingNavigator.Fill(Me.FriendsDataSet.tblNames)d. Me.TblNamesTableAdapter.Fill(Me.FriendsDataSet.tblNames)Write a cron job that executes the command, sudo mysqldump --all-databases at 11:59 pm on Sunday every week of the month.
- If you use the Azure Database Migration Service to migrate an on-premise SQL Server database to an Azure SQL Datbase managed instance in the cloud, which backup option must you use to backup the on-premise database? a. with init b. with compression c. with checksum d. with noinitWhich of the following SQL statements produces “Hello World” as the output? (refer to the tables in the JustLee Books database.)a. SELECT "Hello World" FROM dual;b. SELECT INITCAP('HELLO WORLD') FROM dual;c. SELECT LOWER('HELLO WORLD') FROM dual;d. both a and be. none of the aboveWhich of the following LINQ statements arranges the records in ascending order by the LastName field, with records having the same last name arranged in descending order by the FirstName field?a. Dim records = From name In NamesDataSet.tblNames Order By name.LastName Ascending, name.FirstName Descending Select nameb. Dim records = From name In NamesDataSet.tblNames Order By name.LastName, name.FirstName Descending Select namec. Dim records = Select name From NamesDataSet.tblNames Order By name.FirstName Descending, name.LastNamed. both a and b
- The following command will reveal which files: cat *file*Add a connection string in the appsettings.json file.Open the Startup.cs file to add the SQL server db provider for EF Core. Add the code services.AddDbContext<ProductContext>(o => o.UseSqlServer(Configuration.GetConnectionString("ProductDB"))); under ConfigureServices method. Note that in the GetConnectionString method the name of the key of the connection string is passed that was added in appsettings file.Which SQL statement key word can be used to delete a record within a table?a. DELETEb. DROPc. REMOVEd. CLEAR