Query Statistics: Categories
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Query Reliability
Source of Information
Currently the catalog has
54
active categories with at least one query.
Number of queries in different categories
Category Name
Number of Queries
Ranking
Naming
207
1
User-defined routines
192
2
Validity and completeness
155
3
CHECK constraints
146
4
Derived tables
125
5
Data types
122
6
Relationships between tables
115
7
Comfortability of database evolution
113
8
Comfortability of data management
101
9
Inconsistencies
100
10
Triggers and rules
94
11
Does not work in some earlier PostgreSQL version
90
12
Result quality depends on names
88
13
Uniqueness
84
14
Performance
80
15
Default value
67
16
Security
59
17
Duplication of implementation elements
55
18
Domains
49
19
Missing data
46
20
Regular expressions
32
21
Structure of base tables
31
22
Sequence generators
30
23
Temporal data
27
24
Data at the database physical level
25
25
Syntactics
25
25
Boolean data
24
26
Unused implementation elements
20
27
Database design antipatterns
19
28
Field size
18
29
Compensating actions
17
30
Table inheritance
16
31
System-defined functions
15
32
Transactions
14
33
Data at the database logical level
13
34
Distributed database
13
34
Comments
12
35
Assessment
11
36
Hierarchical data
11
36
User-defined types
11
36
Concurrency control
10
37
Fatal problems
10
37
State machine
10
37
Case sensitivity vs. case insensitivity
9
38
Classifier tables
7
39
Full text search
7
39
Stubs
7
39
TOAST
7
39
Extensions
6
40
Generated columns
6
40
Overloading
6
40
Data redundancy
3
41
Read user data
3
41
Schemas
3
41