A script that creates a summary of the tables in a database : Information_schema « System Settings « SQL Server / T-SQL Tutorial

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SQL Server / T-SQL Tutorial » System Settings » Information_schema 
26. 14. 9. A script that creates a summary of the tables in a database
8SELECT TABLE_NAME AS TableName, COLUMN_NAME AS ColumnName,
9>     DATA_TYPE AS Type
10> INTO #TableSummary
11FROM INFORMATION_SCHEMA.COLUMNS
12WHERE TABLE_NAME IN
13>     (SELECT TABLE_NAME
14>     FROM INFORMATION_SCHEMA.TABLES
15>     WHERE (TABLE_TYPE = 'BASE TABLE' AND
16>       TABLE_NAME NOT IN ('dtproperties', 'TableSummary', 'AllUserTables')))
17>
18CREATE TABLE #AllUserTables
19(TableID int IDENTITY, TableName varchar(128))
20> GO
1>
2INSERT #AllUserTables (TableName)
3SELECT TABLE_NAME
4FROM INFORMATION_SCHEMA.TABLES
5WHERE (TABLE_TYPE = 'BASE TABLE' AND
6>     TABLE_NAME NOT IN ('dtproperties', 'TableSummary', 'AllUserTables'))
7> GO

(17 rows affected)
1>
2> DECLARE @LoopMax int, @LoopVar int
3> DECLARE @TableNameVar varchar(128), @ExecVar varchar(1000)
4>
5SELECT @LoopMax = MAX(TableIDFROM #AllUserTables
6>
7> SET @LoopVar = 1
8>
9> WHILE @LoopVar <= @LoopMax
10>     BEGIN
11>         SELECT @TableNameVar = TableName
12>             FROM #AllUserTables
13>             WHERE TableID = @LoopVar
14>         SET @ExecVar = 'DECLARE @CountVar int '
15>         SET @ExecVar = @ExecVar + 'SELECT @CountVar = COUNT(*'
16>         SET @ExecVar = @ExecVar + 'FROM ' + @TableNameVar + ' '
17>         SET @ExecVar = @ExecVar + 'INSERT #TableSummary '
18>         SET @ExecVar = @ExecVar + 'VALUES (''' + @TableNameVar + ''','
19>         SET @ExecVar = @ExecVar + '''*Row Count*'','
20>         SET @ExecVar = @ExecVar + ' @CountVar)'
21>         EXEC (@ExecVar)
22>         SET @LoopVar = @LoopVar + 1
23>     END
24> GO

(rows affected)

(rows affected)

(rows affected)

(rows affected)

(rows affected)

(rows affected)

(rows affected)

(rows affected)

(rows affected)

(rows affected)

(rows affected)

(rows affected)

(rows affected)

(rows affected)

(rows affected)

(rows affected)

(rows affected)
1>
2SELECT FROM #TableSummary
3> ORDER BY TableName, ColumnName
4> GO
TableName                                                                                                                        ColumnName
                                                          Type
-------------------------------------------------------------------------------------------------------------------------------- -----------------------------------------------------------------------
--------------------------------------------------------- --------------------------------------------------------------------------------------------------------------------------------
authors_CS                                                                                                                       *Row Count*
                                                          10
authors_CS                                                                                                                       address
                                                          varchar
authors_CS                                                                                                                       au_fname
                                                          varchar
authors_CS                                                                                                                       au_id
                                                          varchar
authors_CS                                                                                                                       au_lname
                                                          varchar
authors_CS                                                                                                                       city
                                                          varchar
authors_CS                                                                                                                       contract
                                                          bit
authors_CS                                                                                                                       phone
                                                          char
authors_CS                                                                                                                       state
                                                          char
authors_CS                                                                                                                       zip
                                                          char
BillingCopy                                                                                                                      *Row Count*
                                                          0
BillingCopy                                                                                                                      CreditTotal
                                                          int
BillingCopy                                                                                                                      BillingDate
                                                          datetime
BillingCopy                                                                                                                      BillingDueDate
                                                          datetime
BillingCopy                                                                                                                      BillingNumber
                                                          int
BillingCopy                                                                                                                      BillingTotal
                                                          int
BillingCopy                                                                                                                      PaymentTotal
                                                          int
BillingCopy                                                                                                                      TermsID
                                                          int
BillingCopy                                                                                                                      BankerID
                                                          int
JaviersData                                                                                                                      *Row Count*
                                                          0
JaviersData                                                                                                                      SomeColumn
                                                          int
MSreplication_options                                                                                                            *Row Count*
                                                          3
MSreplication_options                                                                                                            install_failures
                                                          int
MSreplication_options                                                                                                            major_version
                                                          int
MSreplication_options                                                                                                            minor_version
                                                          int
MSreplication_options                                                                                                            optname
                                                          nvarchar
MSreplication_options                                                                                                            revision
                                                          int
MSreplication_options                                                                                                            value
                                                          bit
OldBillings                                                                                                                      *Row Count*
                                                          0
OldBillings                                                                                                                      CreditTotal
                                                          int
OldBillings                                                                                                                      BillingDate
                                                          datetime
OldBillings                                                                                                                      BillingDueDate
                                                          datetime
OldBillings                                                                                                                      BillingNumber
                                                          int
OldBillings                                                                                                                      BillingTotal
                                                          int
OldBillings                                                                                                                      PaymentTotal
                                                          int
OldBillings                                                                                                                      TermsID
                                                          int
OldBillings                                                                                                                      BankerID
                                                          int
department_pivot                                                                                                               *Row Count*
                                                          11
department_pivot                                                                                                               budget
                                                          float
department_pivot                                                                                                               date_month
                                                          datetime
department_pivot                                                                                                               dept_name
                                                          char
department_pivot                                                                                                               emp_cnt
                                                          int
department_pivot                                                                                                               month
                                                          int
department_pivot                                                                                                               year
                                                          int
pub_info                                                                                                                         *Row Count*
                                                          0
pub_info                                                                                                                         logo
                                                          image
pub_info                                                                                                                         pr_info
                                                          text
pub_info                                                                                                                         pub_id
                                                          char
SalesMw                                                                                                                          *Row Count*
                                                          13
SalesMw                                                                                                                          CD_ID
                                                          int
SalesMw                                                                                                                          QtySold
                                                          int
SalesMw                                                                                                                          SalesDate
                                                          datetime
SalesMw                                                                                                                          StoreID
                                                          int
spt_fallback_db                                                                                                                  *Row Count*
                                                          0
spt_fallback_db                                                                                                                  dbid
                                                          smallint
spt_fallback_db                                                                                                                  name
                                                          varchar
spt_fallback_db                                                                                                                  status
                                                          smallint
spt_fallback_db                                                                                                                  version
                                                          smallint
spt_fallback_db                                                                                                                  xdttm_ins
                                                          datetime
spt_fallback_db                                                                                                                  xdttm_last_ins_upd
                                                          datetime
spt_fallback_db                                                                                                                  xfallback_dbid
                                                          smallint
spt_fallback_db                                                                                                                  xserver_name
                                                          varchar
spt_fallback_dev                                                                                                                 *Row Count*
                                                          0
spt_fallback_dev                                                                                                                 high
                                                          int
spt_fallback_dev                                                                                                                 low
                                                          int
spt_fallback_dev                                                                                                                 name
                                                          varchar
spt_fallback_dev                                                                                                                 phyname
                                                          varchar
spt_fallback_dev                                                                                                                 status
                                                          smallint
spt_fallback_dev                                                                                                                 xdttm_ins
                                                          datetime
spt_fallback_dev                                                                                                                 xdttm_last_ins_upd
                                                          datetime
spt_fallback_dev                                                                                                                 xfallback_drive
                                                          char
spt_fallback_dev                                                                                                                 xfallback_low
                                                          int
spt_fallback_dev                                                                                                                 xserver_name
                                                          varchar
spt_fallback_usg                                                                                                                 *Row Count*
                                                          0
spt_fallback_usg                                                                                                                 dbid
                                                          smallint
spt_fallback_usg                                                                                                                 lstart
                                                          int
spt_fallback_usg                                                                                                                 segmap
                                                          int
spt_fallback_usg                                                                                                                 sizepg
                                                          int
spt_fallback_usg                                                                                                                 vstart
                                                          int
spt_fallback_usg                                                                                                                 xdttm_ins
                                                          datetime
spt_fallback_usg                                                                                                                 xdttm_last_ins_upd
                                                          datetime
spt_fallback_usg                                                                                                                 xfallback_vstart
                                                          int
spt_fallback_usg                                                                                                                 xserver_name
                                                          varchar
spt_monitor                                                                                                                      *Row Count*
                                                          1
spt_monitor                                                                                                                      connections
                                                          int
spt_monitor                                                                                                                      cpu_busy
                                                          int
spt_monitor                                                                                                                      idle
                                                          int
spt_monitor                                                                                                                      io_busy
                                                          int
spt_monitor                                                                                                                      lastrun
                                                          datetime
spt_monitor                                                                                                                      pack_errors
                                                          int
spt_monitor                                                                                                                      pack_received
                                                          int
spt_monitor                                                                                                                      pack_sent
                                                          int
spt_monitor                                                                                                                      total_errors
                                                          int
spt_monitor                                                                                                                      total_read
                                                          int
spt_monitor                                                                                                                      total_write
                                                          int
spt_values                                                                                                                       *Row Count*
                                                          2346
spt_values                                                                                                                       high
                                                          int
spt_values                                                                                                                       low
                                                          int
spt_values                                                                                                                       name
                                                          nvarchar
spt_values                                                                                                                       number
                                                          int
spt_values                                                                                                                       status
                                                          int
spt_values                                                                                                                       type
                                                          nchar
Table1                                                                                                                           *Row Count*
                                                          4
Table1                                                                                                                           a
                                                          int
Table1                                                                                                                           b
                                                          datetime
Table1                                                                                                                           c
                                                          varchar
Table2                                                                                                                           *Row Count*
                                                          12
Table2                                                                                                                           a
                                                          int
Table2                                                                                                                           message
                                                          varchar
titleauthor                                                                                                                      *Row Count*
                                                          24
titleauthor                                                                                                                      au_id
                                                          varchar
titleauthor                                                                                                                      au_ord
                                                          tinyint
titleauthor                                                                                                                      royaltyper
                                                          int
titleauthor                                                                                                                      title_id
                                                          varchar
BankerBalances                                                                                                                   *Row Count*
                                                          10
BankerBalances                                                                                                                   SumOfBillings
                                                          int
BankerBalances                                                                                                                   BankerID
                                                          int

(117 rows affected)
26. 14. Information_schema
26. 14. 1. select top 10 * from Information_schema.columns
26. 14. 2. Information_schema.views
26. 14. 3. Information_schema.tables
26. 14. 4. System views INFORMATION_SCHEMA
26. 14. 5. obtain metadata about database objects.
26. 14. 6. SELECT TABLE_CATALOG FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME = 'TestTable'
26. 14. 7. Match a table name in tempdb.INFORMATION_SCHEMA.TABLES
26. 14. 8. Query tempdb.INFORMATION_SCHEMA.TABLES
26. 14. 9. A script that creates a summary of the tables in a database
26. 14. 10. Check the view existance
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