Query Statistics: Categories
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Query Reliability
Source of Information
Currently the catalog has
56
active categories with at least one query.
Number of queries in different categories
Category Name
Number of Queries
Ranking
Naming
216
1
User-defined routines
198
2
Validity and completeness
162
3
CHECK constraints
159
4
Data types
127
5
Derived tables
126
6
Relationships between tables
119
7
Comfortability of database evolution
115
8
Comfortability of data management
104
9
Inconsistencies
103
10
Result quality depends on names
101
11
Triggers and rules
97
12
Does not work in some earlier PostgreSQL version
92
13
Uniqueness
87
14
Performance
80
15
Default value
68
16
Security
60
17
Duplication of implementation elements
59
18
Domains
49
19
Missing data
48
20
Sequence generators
33
21
Regular expressions
32
22
Structure of base tables
31
23
Temporal data
30
24
Data at the database physical level
25
25
Syntactics
25
25
Boolean data
24
26
Field size
23
27
Unused implementation elements
20
28
Database design antipatterns
19
29
Compensating actions
18
30
Table inheritance
16
31
Transactions
16
31
System-defined functions
15
32
Data at the database logical level
13
33
Distributed database
13
33
Assessment
12
34
Comments
12
34
Concurrency control
12
34
Classifier tables
11
35
Fatal problems
11
35
Hierarchical data
11
35
User-defined types
11
35
State machine
10
36
Case sensitivity vs. case insensitivity
9
37
Range types
9
37
Stubs
8
38
Full text search
7
39
TOAST
7
39
Extensions
6
40
Generated columns
6
40
Overloading
6
40
Conformance to SQL standard
4
41
Data redundancy
3
42
Read user data
3
42
Schemas
3
42