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A software package designed to define, manipulate, retrieve and manage data in a database data format, field names, record structure and file structure.
A command that combines the result set of two or more SELECT statements or allows duplicate values.
The WHERE clause is not only used in SELECT statement, it is also used in UPDATE, DELETE statement, etc.
It returns the position of a string within a list of strings.
It returns the value of a number raised to the power of another number.
A command that combines the result set of two or more SELECT statements (allows duplicate values).
The command used to create a new table in the database.
This is use to create expression with number and date values.
A numeric function that returns the smallest integer value that is >= to a number.
This operator is used to return all rows from multiple queries or multiple tables.
It returns a date from a numeric datevalue.
Are said to exhibit physical data independence if they do not depend on the physical schema.
It subtracts a time/date interval from a date and then returns the date.
It is an association among several entities.
A command that updates a view.
It returns the arc tangent of one or two numbers.
It returns the AUTO_INCREMENT id of the last row that has been inserted or updated in a table.
This is used to test for values in a specified set of values.
It returns the position of the first occurrence of a string in another string.
An operator used to search for a pattern.
It returns the position of a pattern in a string.
It is a unit of data – is a symbol or a set of symbols which is used to represent something.
The command which combines the result set of two or more SELECT statements or only a distinct values.
This is used to perform wildcard searches of valid search string values.
It returns the smallest integer value that is >= to a number.
It returns the current date and time.
It compares two expressions and returns null if they are equal. Otherwise, the first expression is returned.
The NULL values or blank data in the report are not ignored during duplicate checking.
A function that returns the number of days between two date values.
This is used to in conditions that compare one expression with another value or expression.
The command to delete a view.
The IFNULL returns a value if a condition is TRUE, or another value if a condition is FALSE.
Write the SQL statement that deletes the table "Shippers".
It subtracts a time interval from a datetime and then returns the time/datetime.
Write the SQL statement that selects all the customers from "Mexico" in the "Customers" table.
The command that adds, deletes or modifies columns in a table.
Which of the following is the correct example inserting a new value to STUDENTS table that will only add new data to STUD_ID and LASTNAME? The stud_id is 10 and lastname is 'CRUZ' and the rest of the column is set to NULL.
A syntax used to create a UNIQUE constraint on the "ID" column when the table is already created.
The DATE ADD returns the number of days between two date values.
The rows in the first query that are not present in the second query.
It converts a string to the upper-case.
The UPDATE constraint ensures that all values in a column are unique.
It returns the current database system UTC date and time.
A function that returns the maximum value in a set of values.
The function repeat returns the position of the first occurrence of a substring in a string.
A copy of an existing table can also be created using CREATE TABLE.
Which of the following is the correct example of updating the LASTNAME to ‘REYES’ of all students from STUDENTS table whose STUD_ID is equal to 01020564?
Which of the following is not true about writing SQL statements?
It returns 1 or 0 depending on whether an expression is NULL.
It logically represents subsets of data from one or more table.
Write a SQL statement that truncates the table "Categories".
A function that returns e raised to the power of a specified number.
The command specifies the values of an INSERT INTO statement.
The command which deletes the data inside a table, but not the table itself.
It converts a value to a binary string.
A function that returns a string of the specified number of space characters.
An alter statement that is used to delete an existing column in the table.
It returns the user name and hostname for the MySQL account that the server used to authenticate the current client.
It compares two strings.
The pow function returns the value of a number raised to the power of another number.
A command which deletes a table in the database.
It adds a time/date interval to a date and then returns the date.
The command that deletes the data inside a table, but not the table itself.
A function that adds two or more expressions together.
It returns the number of days between a date and date "0000-00-00".
A numeric function that returns the number of records returned by a select query.
Which of the following is the correct example of modifying the column JOB_ID? Change the datatype size to 10.
Write the SQL statement that will update the contactname to "Juan" for all records where country is "Mexico".
This is used to restrict the rows that are returned by a query.
It returns a specified part of a date (as integer).
An operator used to return all rows that are common to multiple queries.
The DROP table command also adds and deletes various constraints in a table.
It returns the character based on the ASCII code.
True/False. This symbol % denotes zero or many characters.
It returns the natural logarithm of a number to base 2.
It is a collection of interrelated data and a set of programs to access those data.
It checks an expression and returns 1 if it is a valid date, otherwise 0.
An operator used to specify multiple possible values for a column.
A command that deletes the data inside a table, but not the table itself.
Reversing the order of the intersected tables does not alter the result.
It returns the session settings for a specified option.
This command specifies the values of an INSERT INTO statement.
True/False Character values are format sensitive and date values are case sensitive-sensitive.
It removes leading and trailing spaces from a string.
A command which filters a result set to include only records that fulfill a specified condition.
It returns the remainder of a number divided by another number.
It converts a number from one numeric base system to another.
It is the term generally used to describe what was done by large mainframe computers from the late 1940's until the early 1980's.
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