Chapter Content type Value Position Created at
Chapter 8 - Computer Science image /default_org/ncert_images/class-xii/c... 39 Delete Content
Chapter 8 - Computer Science text a) Is it correct to assign Movie_ID as the primary key in... 40 Delete Content
Chapter 9 - Computer Science image /default_org/ncert_images/class-xii/c... 1 Delete Content
Chapter 9 - Computer Science text ha p te r C Structured Query 9 Language (SQL) “Anyuniquei... 2 Delete Content
Chapter 9 - Computer Science image /default_org/ncert_images/class-xii/c... 3 Delete Content
Chapter 9 - Computer Science text database management systems such as MySQL, ORACLE, SQL Se... 4 Delete Content
Chapter 9 - Computer Science image /default_org/ncert_images/class-xii/c... 5 Delete Content
Chapter 9 - Computer Science text N otes Table 9.20 DANCE U MUSIC +------+---------+-------... 80 Delete Content
Chapter 9 - Computer Science text • SQL is case insensitive. For example, the column names ... 6 Delete Content
Chapter 9 - Computer Science image /default_org/ncert_images/class-xii/c... 7 Delete Content
Chapter 9 - Computer Science text 9.3.2 Constraints Which two Constraints are the certain t... 8 Delete Content
Chapter 9 - Computer Science image /default_org/ncert_images/class-xii/c... 9 Delete Content
Chapter 9 - Computer Science text mysql> CREATE DATABASE StudentAttendance; Query OK, 1 row... 10 Delete Content
Chapter 9 - Computer Science image /default_org/ncert_images/class-xii/c... 11 Delete Content
Chapter 9 - Computer Science text • Constraint indicates the restrictions imposed on the va... 12 Delete Content
Chapter 9 - Computer Science image /default_org/ncert_images/class-xii/c... 13 Delete Content
Chapter 9 - Computer Science image /default_org/ncert_images/class-xii/c... 81 Delete Content
Chapter 9 - Computer Science text Once data types and constraints are identified, let us Wh... 14 Delete Content
Chapter 9 - Computer Science image /default_org/ncert_images/class-xii/c... 15 Delete Content
Chapter 9 - Computer Science text all such cases, we need to change or alter the structure ... 16 Delete Content
Chapter 9 - Computer Science image /default_org/ncert_images/class-xii/c... 17 Delete Content
Chapter 9 - Computer Science text Syntax: N otes ALTER TABLE table_name ADD UNIQUE (attribu... 18 Delete Content
Chapter 9 - Computer Science image /default_org/ncert_images/class-xii/c... 19 Delete Content
Chapter 9 - Computer Science text Syntax: ALTER TABLE table_name MODIFY attribute DATATYPE ... 20 Delete Content
Chapter 9 - Computer Science image /default_org/ncert_images/class-xii/c... 21 Delete Content